{"id":814,"date":"2022-10-30T14:40:09","date_gmt":"2022-10-30T12:40:09","guid":{"rendered":"https:\/\/yeeply.com\/fr\/blog\/?p=814"},"modified":"2026-03-24T14:09:04","modified_gmt":"2026-03-24T12:09:04","slug":"creer-application-de-messagerie-instantanee","status":"publish","type":"post","link":"https:\/\/yeeply.com\/fr\/blog\/developpement-applications-mobiles\/creer-application-de-messagerie-instantanee\/","title":{"rendered":"Cr\u00e9er une application de messagerie instantan\u00e9e"},"content":{"rendered":"\n<p><strong data-start=\"381\" data-end=\"680\"><a href=\"https:\/\/yeeply.com\/fr\/blog\/developpement-applications-mobiles\/creer-une-application-mobile\/\">Cr\u00e9er une application<\/a> de messagerie instantan\u00e9e comme WhatsApp, Messenger ou Telegram est une id\u00e9e qui s\u00e9duit de nombreuses entreprises. Mais derri\u00e8re cette ambition se cachent plusieurs questions cl\u00e9s : est-ce vraiment adapt\u00e9 \u00e0 votre besoin ? Combien cela co\u00fbte ? Et surtout, par o\u00f9 commencer ?<\/strong><\/p>\n\n\n\n<p><strong data-start=\"682\" data-end=\"961\">Aujourd\u2019hui, les applications de messagerie ne sont plus r\u00e9serv\u00e9es aux g\u00e9ants de la tech. De plus en plus d\u2019entreprises d\u00e9veloppent leurs propres solutions pour am\u00e9liorer la communication interne, offrir un service client en temps r\u00e9el ou cr\u00e9er de nouveaux produits digitaux.<\/strong><\/p>\n\n\n\n<p><strong data-start=\"963\" data-end=\"1160\">Dans cet article, nous vous expliquons les \u00e9tapes essentielles pour cr\u00e9er une application de messagerie instantan\u00e9e, les fonctionnalit\u00e9s cl\u00e9s \u00e0 pr\u00e9voir et les \u00e9l\u00e9ments qui influencent son co\u00fbt.<\/strong><\/p>\n\n\n<div class=\"bt-proyecto\"><a href=\"https:\/\/yeeply.com\/fr\/developpement-applications\/?rel=FR-BT-proyecto-app#publish-project\" target=\"_blank\" rel=\"noopener\">VOUS VOULEZ CR\u00c9ER UNE APPLICATION ? PARLEZ-NOUS DE VOTRE PROJET \u270c\ufe0f<\/a><\/div>\n\n\n\n<div style=\"text-align: center;\">&nbsp;<\/div>\n\n\n\n<p><strong>Si vous recherchez une agence sp\u00e9cialis\u00e9e en d\u00e9veloppement d\u2019application mobile, il est essentiel de bien comprendre ces \u00e9tapes avant de vous lancer.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les \u00e9tapes pour cr\u00e9er une application de messagerie instantan\u00e9e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. D\u00e9finir les objectifs de votre application<\/h3>\n\n\n\n<p>Avant de commencer, il est essentiel de comprendre \u00e0 quoi va servir votre application:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>communication interne<\/li>\n\n\n\n<li>service client<\/li>\n\n\n\n<li>produit digital<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Sans objectifs clairs, le projet risque de d\u00e9river.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Cadrer le projet<\/h3>\n\n\n\n<p>Le cadrage permet de d\u00e9finir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les fonctionnalit\u00e9s<\/li>\n\n\n\n<li>le budget<\/li>\n\n\n\n<li>les priorit\u00e9s<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 C\u2019est une \u00e9tape cl\u00e9 pour \u00e9viter les erreurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Concevoir l\u2019exp\u00e9rience utilisateur (UX\/UI)<\/h3>\n\n\n\n<p>Une application de messagerie doit \u00eatre:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>simple<\/li>\n\n\n\n<li>intuitive<\/li>\n\n\n\n<li>rapide<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 L\u2019exp\u00e9rience utilisateur est d\u00e9terminante pour l\u2019adoption.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. D\u00e9velopper l\u2019application<\/h3>\n\n\n\n<p><strong>C\u2019est la phase technique o\u00f9 intervient une agence de d\u00e9veloppement d\u2019application mobile sp\u00e9cialis\u00e9e<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les fonctionnalit\u00e9s sont d\u00e9velopp\u00e9es<\/li>\n\n\n\n<li>l\u2019infrastructure est mise en place<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. Tester et valider<\/h3>\n\n\n\n<p>Avant le lancement, il faut:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tester les performances<\/li>\n\n\n\n<li>v\u00e9rifier la s\u00e9curit\u00e9<\/li>\n\n\n\n<li>corriger les bugs<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6. Lancer et am\u00e9liorer<\/h3>\n\n\n\n<p>Une fois lanc\u00e9e:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>analyse des usages<\/li>\n\n\n\n<li>am\u00e9liorations continues<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Une application \u00e9volue toujours.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Combien co\u00fbte une application de messagerie instantan\u00e9e ?<\/h2>\n\n\n\n<p>Le co\u00fbt de d\u00e9veloppement d\u2019une application de messagerie d\u00e9pend de plusieurs facteurs:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>nombre de fonctionnalit\u00e9s<\/li>\n\n\n\n<li>complexit\u00e9 technique<\/li>\n\n\n\n<li>design UX\/UI<\/li>\n\n\n\n<li>niveau de s\u00e9curit\u00e9<\/li>\n<\/ul>\n\n\n\n<p>En g\u00e9n\u00e9ral, le budget peut varier de:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>20 000\u20ac \u00e0 40 000\u20ac<\/strong> pour une version simple<\/li>\n\n\n\n<li><strong>40 000\u20ac \u00e0 80 000\u20ac<\/strong> pour une application plus compl\u00e8te<\/li>\n\n\n\n<li><strong>80 000\u20ac et plus<\/strong> pour des solutions avanc\u00e9es<\/li>\n<\/ul>\n\n\n\n<p>C\u2019est pourquoi il est essentiel de bien cadrer le projet d\u00e8s le d\u00e9part.<\/p>\n\n\n\n<p><strong>Faire appel \u00e0 une agence de d\u00e9veloppement permet d\u2019optimiser les co\u00fbts et de s\u00e9curiser le projet.<\/strong><\/p>\n\n\n\n<p><strong>Vous avez une id\u00e9e d\u2019application de messagerie ?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/yeeply.com\/fr\/developpeur-applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">Demander un devis<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Exemples d\u2019applications de messagerie populaires<\/h2>\n\n\n\n<p>Un autre rival direct de WhatsApp vient directement du Japon&nbsp;: <strong>Line<\/strong> est une de ces applications de messagerie qui, en&nbsp;seulement un an et demi d&rsquo;existence, a r\u00e9ussi \u00e0 obtenir plus de 70 millions d&rsquo;utilisateurs et ont&nbsp;choisi l&rsquo;application de messagerie nippone comme <a href=\"https:\/\/yeeply.com\/fr\/blog\/developpement-applications-mobiles\/creation-application-pour-le-sport-liga-tv\/\">application majeure<\/a> pour envoyer des messages instantan\u00e9s \u00e0 leurs contacts. Line offre la possibilit\u00e9 d&rsquo;effectuer des appels vocaux gratuitement. Dans l&rsquo;actualit\u00e9, Naver, l&rsquo;entreprise qui la d\u00e9veloppe est en pr\u00e9paration du lancement imm\u00e9diat de cette application aux Etats-Unis et en Europe o\u00f9 elle esp\u00e8re remporter le m\u00eame succ\u00e8s que dans son pays d&rsquo;origine.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"460\" height=\"276\" src=\"https:\/\/yeeply.com\/fr\/wp-content\/uploads\/2015\/06\/apps-de-messagerie.jpg\" alt=\"logos applications de messagerie\" class=\"wp-image-4029\" title=\"logos applications de messagerie\" srcset=\"https:\/\/yeeply.com\/fr\/wp-content\/uploads\/2015\/06\/apps-de-messagerie.jpg 460w, https:\/\/yeeply.com\/fr\/wp-content\/uploads\/2015\/06\/apps-de-messagerie-300x180.jpg 300w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi ces applications rencontrent du succ\u00e8s<\/h2>\n\n\n\n<p>L&rsquo;un des concurrents de WhatsApp qui a le plus de m\u00e9rite est <strong>Viber<\/strong>, qui offre \u00e9galement des appels vocaux et des appels vid\u00e9o:&nbsp;<a href=\"https:\/\/yeeply.com\/fr\/blog\/marketing\/investir-dans-applications-ipad\/\">elle est disponible sur iOS<\/a>, Android, BlackBerry et Windows Phone. N\u00e9anmoins, la prouesse de Viber ne consiste pas seulement \u00e0 avoir \u00e0 lutter avec WhatsApp pour une place sur le march\u00e9. En donnant la possibilit\u00e9 de r\u00e9aliser des appels gratuits \u00e0 nos contacts \u00e0 travers la m\u00eame application, Viber rivalise aussi avec Tango et Skype.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019importance de la s\u00e9curit\u00e9 dans les applications de messagerie<br><\/h2>\n\n\n\n<p>Aujourd\u2019hui, la s\u00e9curit\u00e9 est devenue un \u00e9l\u00e9ment cl\u00e9 dans le d\u00e9veloppement d\u2019une application de messagerie.<\/p>\n\n\n\n<p>Les utilisateurs attendent que leurs donn\u00e9es soient prot\u00e9g\u00e9es et que leurs \u00e9changes restent confidentiels.<\/p>\n\n\n\n<p>Par exemple, certaines applications comme <strong>Telegram<\/strong> ont mis la s\u00e9curit\u00e9 au c\u0153ur de leur proposition de valeur, notamment gr\u00e2ce au chiffrement des messages et aux chats s\u00e9curis\u00e9s.<\/p>\n\n\n\n<p>D\u2019autres solutions comme <strong>Threema<\/strong> vont encore plus loin en proposant un niveau de confidentialit\u00e9 \u00e9lev\u00e9 et des fonctionnalit\u00e9s pens\u00e9es pour prot\u00e9ger les \u00e9changes sensibles.<\/p>\n\n\n\n<p>Ainsi, int\u00e9grer la s\u00e9curit\u00e9 d\u00e8s la conception de l\u2019application est essentiel pour garantir la confiance des utilisateurs et assurer le succ\u00e8s du projet.<\/p>\n\n\n\n<p><a href=\"https:\/\/yeeply.com\/fr\/landing\/telechargement-ebook-checklist-app\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yeeply.com\/fr\/wp-content\/uploads\/2020\/04\/FR-Te\u0301le\u0301charger-ebook-5-checklist-app.jpg\" alt=\"Ebook 5 Checklist app\" \/><\/a><\/p>\n\n\n\n<p><strong>Vous souhaitez cr\u00e9er une application de messagerie s\u00e9curis\u00e9e ?<\/strong><\/p>\n\n\n\n<p>Chez Yeeply, nous vous accompagnons pour concevoir une solution fiable, performante et adapt\u00e9e \u00e0 votre projet.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/yeeply.com\/fr\/developpeur-applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">Demander un devis<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Une application de messagerie qui respecte s\u00e9curit\u00e9 et confidentialit\u00e9<\/h2>\n\n\n\n<p>A la racine de ces d\u00e9faillances qui se succ\u00e8dent dans un monde envahi de <a href=\"https:\/\/yeeply.com\/fr\/blog\/developpement-applications-mobiles\/5-conseils-pour-le-developpement-dapplications-mobiles\/\">nouvelle technologies mobiles<\/a>, un nouveau type d&rsquo;application de messagerie instantan\u00e9e est&nbsp;apparue : elles sont utilis\u00e9es quotidiennement et disent \u00eatre&nbsp;plus s\u00fbres. Certaines nouvelles applications veulent rivaliser avec WhatsApp et leur point fort se base dans le plus&nbsp;de s\u00e9curit\u00e9 qu&rsquo;elles apportent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Exemples d\u2019applications ax\u00e9es sur la s\u00e9curit\u00e9<\/h2>\n\n\n\n<p>Une des premi\u00e8res applications qui a pari\u00e9 sur l&rsquo;innovation et l&rsquo;am\u00e9lioration de la s\u00e9curit\u00e9 de ses communications et messages \u00e0 travers le chiffrage des messages fut <strong>Telegram<\/strong>. Cette application cr\u00e9\u00e9e par Pavel et Nikolai Durov, fondateurs du r\u00e9seau social russe <strong>VKontakte<\/strong>, accorde \u00e9norm\u00e9ment d&rsquo;importance \u00e0 la s\u00e9curit\u00e9 qui est tr\u00e8s forte et d&rsquo;ailleurs personne n&rsquo;a&nbsp;r\u00e9ussi \u00e0 porter atteinte aux chats secrets. C&rsquo;est pr\u00e9cis\u00e9ment cette qualit\u00e9 qui a permis&nbsp;\u00e0 cette application de l&rsquo;Est de se positionner dans le top 5 des applications de messagerie en Espagne.<\/p>\n\n\n\n<p>Il y a \u00e9galement une application inconnue qui se d\u00e9marque en ce qui concerne les taux \u00e9lev\u00e9s de s\u00e9curit\u00e9. Elle s&rsquo;appelle <strong>Wickr<\/strong> et compte sur une s\u00e9curit\u00e9 de \u00ab&nbsp;grade militaire&nbsp;\u00bb. Nous pouvons seulement trouver la version gratuite pour iOS. Une de ses fonctions les plus curieuses c&rsquo;est que les messages peuvent s&rsquo;autod\u00e9truire. M\u00eame si elle n&rsquo;est pas tr\u00e8s c\u00e9l\u00e8bre, elle pourrait \u00eatre tr\u00e8s utile dans les domaines de travail dans lesquels la confidentialit\u00e9 des projets est le crit\u00e8re le plus important. Le fondateur de l&rsquo;entreprise de s\u00e9curit\u00e9 McAfee veut aussi se prot\u00e9ger&nbsp;contre l&rsquo;espionnage de l&rsquo;Agence de S\u00e9curit\u00e9 Nationale des Etats-Unis (NSA). Il propose une nouvelle application de messagerie immunis\u00e9e contre les&nbsp;tentatives de la NSA pour espionner les messages des utilisateurs. Cette application de messagerie est n\u00e9e sous le nom de Gladder et est d\u00e9j\u00e0 disponible sur <a href=\"https:\/\/yeeply.com\/fr\/blog\/developpement-applications-mobiles\/6-domaines-pour-creer-une-application-android\/\">Android<\/a> et Windows Phone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Autres applications de messagerie ax\u00e9es sur la s\u00e9curit\u00e9<\/h2>\n\n\n\n<p><strong>Threema<\/strong> est aussi une application de messagerie de paiement qui donne une importance pr\u00e9dominante \u00e0 la s\u00e9curit\u00e9. C&rsquo;est&nbsp;l&rsquo;application de messagerie instantan\u00e9e qui dispose&nbsp;d&rsquo;un maximum de confidentialit\u00e9, c&rsquo;est la plus facile \u00e0 utiliser et la plus compl\u00e8te en termes de <a href=\"https:\/\/yeeply.com\/fr\/blog\/developpement-applications-mobiles\/la-geolocalisation-dans-les-applications-mobiles-en-2015\/\">fonctions des mobile apps<\/a>.<\/p>\n\n\n\n<p>De la m\u00eame fa\u00e7on, nous continuons d&rsquo;attendre que l&rsquo;application <strong>Hemlis<\/strong> (qui signifie \u00ab&nbsp;secret&nbsp;\u00bb en su\u00e9dois) qui promet d&rsquo;\u00eatre une application de messagerie instantan\u00e9e impossible \u00e0 espionner et \u00e0 pirater par les entreprises et les gouvernements. N\u00e9anmoins, elle est pour le moment en phase beta m\u00eame si elle sera disponible pour Android et iOS.<\/p>\n\n\n\n<p>Maintenant, le portail bit Torrent est \u00e9galement impliqu\u00e9 dans le secteur du d\u00e9veloppement d&rsquo;applications mobiles et pr\u00e9voit de cr\u00e9er une application nomm\u00e9e Bleep qui pourrait s&rsquo;av\u00e9rer beaucoup plus s\u00fbre et de meilleure qualit\u00e9 que WhatsApp.<\/p>\n\n\n\n<p>Il est tout \u00e0 fait possible de&nbsp;cr\u00e9er une application de messagerie instantan\u00e9e capable de concurrencer WhatsApp. Beaucoup l&rsquo;ont d\u00e9j\u00e0 fait, mais les marques les plus c\u00e9l\u00e8bres continuent de pr\u00e9valoir, m\u00eame si elles ne sont&nbsp;pas forc\u00e9ment les meilleures du point de vue de la s\u00e9curit\u00e9 et elles ne prot\u00e8gent pas toujours nos donn\u00e9es personnelles. Est-ce que cela vaut la peine de prendre des risques pour si peu&nbsp;?<\/p>\n\n\n<p><a href=\"https:\/\/yeeply.com\/fr\/developpement-applications\/?rel=FR-BP-proyecto-app#publish-project\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yeeply.com\/fr\/wp-content\/uploads\/2020\/04\/FR-CTA-projet-app.png\" alt=\"Proyecto App\" \/><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment Yeeply peut vous aider dans votre projet<\/h2>\n\n\n\n<p>Cr\u00e9er une application de messagerie ne se limite pas au d\u00e9veloppement.<\/p>\n\n\n\n<p>Il faut:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cadrer le projet<\/li>\n\n\n\n<li>d\u00e9finir les bonnes fonctionnalit\u00e9s<\/li>\n\n\n\n<li>choisir les bons experts<\/li>\n<\/ul>\n\n\n\n<p>Chez Yeeply, nous vous accompagnons \u00e0 chaque \u00e9tape:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cadrage<\/li>\n\n\n\n<li>UX\/UI<\/li>\n\n\n\n<li>d\u00e9veloppement<\/li>\n<\/ul>\n\n\n\n<p>Avec un r\u00e9seau d\u2019experts s\u00e9lectionn\u00e9s selon votre projet.<\/p>\n\n\n\n<p><strong>Vous avez un projet d\u2019application ?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/yeeply.com\/fr\/developpeur-applications\/\">Demander un devis<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cr\u00e9er une application de messagerie instantan\u00e9e comme WhatsApp, Messenger ou Telegram est une id\u00e9e qui s\u00e9duit de nombreuses entreprises. Mais derri\u00e8re cette ambition se cachent &#8230;<\/p>\n","protected":false},"author":2,"featured_media":4962,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[302],"tags":[],"class_list":["post-814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-developpement-applications-mobiles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cr\u00e9er une application de messagerie instantan\u00e9e - Yeeply<\/title>\n<meta name=\"description\" content=\"Est-il possible de cr\u00e9er une application de messagerie instantan\u00e9e capable de concurrencer WhatsApp ? 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