--- title: "NBack: Boost IQ - Reviews, Revenue and Downloads in France | Apple App Store" description: "The N-Back Challenge isn’t just a game.
 It’s a scientifically validated cognitive upgrade —
 engineered to boost your IQ in just 7 hours total. Built on Research. Designed for Results.
 Forget brai" --- # NBack: Boost IQ — France ![NBack App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/c7/c9/ec/c7c9ec53-41d1-2510-4b2d-dcc60fddcfb1/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [eric cesar](https://apptail.io/developer/eric-cesar-KTKic) **Category:** Health Fitness **Rating:** 5.0/5 (3 ratings) **Price:** Free **Bundle ID:** com.rico3634.nback **Store:** Apple App Store **Country:** France **Version:** 1.0.3 (released 2026-01-09) **Original Release:** 2025-04-19 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/fr/app/app/id6743346501) **AppTail Page:** [https://apptail.io/app/nback-boost-iq-nCpv/france](https://apptail.io/app/nback-boost-iq-nCpv/france) ## NBack Description The N-Back Challenge isn’t just a game.
 It’s a scientifically validated cognitive upgrade —
 engineered to boost your IQ in just 7 hours total. Built on Research. Designed for Results.
 Forget brain-training fluff.
 This is dual n-back — the only method proven to actually increase fluid intelligence, with results published in New York Times, The Wall Street Journal and other top journals. But here’s the truth:
 It’s brutal. It’s exhausting. It works. If you can complete 20 sessions, you may unlock:
 • Sharper memory
 • Faster learning
 • Enhanced problem-solving
 • Stronger focus under pressure Track your progress.
 See real gains — backed by data.
 All within a beautifully designed, customizable experience. This is not for everyone.
 But if you’re hungry to evolve,
The Challenge awaits. This app is only available in English. Privacy Policy: Terms of Use: ## NBack Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/42/51/96/42519635-eccb-1488-9f8b-bb58be622c46/Frame_1.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ce/52/8e/ce528e69-20d5-1180-2fc2-a5297f63cc40/Frame_2.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ef/5f/64/ef5f64e7-3a1b-f81e-3d11-49a06230d666/Frame_3.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/09/ea/98/09ea98b0-facd-4e19-298e-b4ce406852ae/Frame_4.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/65/46/26/654626ea-3be3-79ce-3e63-ddc01040d394/Frame_6.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6a/8b/53/6a8b53dc-3e93-b801-5acf-6da89e084644/Frame_7.png/1242x2688.png) ## NBack Rating Breakdown in France - 5 stars: 3 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## NBack Reviews in France ### ***** "Développement" Depuis que j’ai installé NBack je me sens plus concentrée et je vois des évolutions dans mon quotidien. Bel appli simple et efficace ! -- CleliaJ, 2025-04-24 ### ***** "ADDICTIF" Jeu simple et complexe à la fois qui demande de la concentration. C’est vraiment le type de challenge que j’apprécie pour travailler ma mémoire 🥰 -- zaemK, 2025-04-24 [View all NBack reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## NBack In-App Purchases | Item | Price | |------|-------| | Monthly membership | €1.99 | | Yearly membership | €17.99 | ## NBack Available In - [France](https://apptail.io/app/nback-boost-iq-nCpv/france) - [United States](https://apptail.io/app/nback-boost-iq-nCpv/united-states) - [China](https://apptail.io/app/nback-boost-iq-nCpv/china) - [Australia](https://apptail.io/app/nback-boost-iq-nCpv/australia) - [Barbados](https://apptail.io/app/nback-boost-iq-nCpv/barbados) - [Bahrain](https://apptail.io/app/nback-boost-iq-nCpv/bahrain) - [Bermuda](https://apptail.io/app/nback-boost-iq-nCpv/bermuda) - [Brunei](https://apptail.io/app/nback-boost-iq-nCpv/brunei) - [Belarus](https://apptail.io/app/nback-boost-iq-nCpv/belarus) - [Belize](https://apptail.io/app/nback-boost-iq-nCpv/belize) - [Switzerland](https://apptail.io/app/nback-boost-iq-nCpv/switzerland) - [Chile](https://apptail.io/app/nback-boost-iq-nCpv/chile) - [Cyprus](https://apptail.io/app/nback-boost-iq-nCpv/cyprus) - [Germany](https://apptail.io/app/nback-boost-iq-nCpv/germany) - [Dominican Republic](https://apptail.io/app/nback-boost-iq-nCpv/dominican-republic) - [Ecuador](https://apptail.io/app/nback-boost-iq-nCpv/ecuador) - [Estonia](https://apptail.io/app/nback-boost-iq-nCpv/estonia) - [Egypt](https://apptail.io/app/nback-boost-iq-nCpv/egypt) - [United Kingdom](https://apptail.io/app/nback-boost-iq-nCpv/united-kingdom) - [Grenada](https://apptail.io/app/nback-boost-iq-nCpv/grenada) - [Ghana](https://apptail.io/app/nback-boost-iq-nCpv/ghana) - [Hong Kong SAR China](https://apptail.io/app/nback-boost-iq-nCpv/hong-kong) - [Croatia](https://apptail.io/app/nback-boost-iq-nCpv/croatia) - [Hungary](https://apptail.io/app/nback-boost-iq-nCpv/hungary) - [Ireland](https://apptail.io/app/nback-boost-iq-nCpv/ireland) - [India](https://apptail.io/app/nback-boost-iq-nCpv/india) - [Iceland](https://apptail.io/app/nback-boost-iq-nCpv/iceland) - [Italy](https://apptail.io/app/nback-boost-iq-nCpv/italy) - [Jamaica](https://apptail.io/app/nback-boost-iq-nCpv/jamaica) - [Jordan](https://apptail.io/app/nback-boost-iq-nCpv/jordan) - [Kenya](https://apptail.io/app/nback-boost-iq-nCpv/kenya) - [Cayman Islands](https://apptail.io/app/nback-boost-iq-nCpv/cayman-islands) - [Sri Lanka](https://apptail.io/app/nback-boost-iq-nCpv/sri-lanka) - [Luxembourg](https://apptail.io/app/nback-boost-iq-nCpv/luxembourg) - [Latvia](https://apptail.io/app/nback-boost-iq-nCpv/latvia) - [North Macedonia](https://apptail.io/app/nback-boost-iq-nCpv/north-macedonia) - [Mali](https://apptail.io/app/nback-boost-iq-nCpv/mali) - [Macao SAR China](https://apptail.io/app/nback-boost-iq-nCpv/macau) - [Malta](https://apptail.io/app/nback-boost-iq-nCpv/malta) - [Mexico](https://apptail.io/app/nback-boost-iq-nCpv/mexico) - [Malaysia](https://apptail.io/app/nback-boost-iq-nCpv/malaysia) - [Nigeria](https://apptail.io/app/nback-boost-iq-nCpv/nigeria) - [Netherlands](https://apptail.io/app/nback-boost-iq-nCpv/netherlands) - [Norway](https://apptail.io/app/nback-boost-iq-nCpv/norway) - [Nepal](https://apptail.io/app/nback-boost-iq-nCpv/nepal) - [New Zealand](https://apptail.io/app/nback-boost-iq-nCpv/new-zealand) - [Oman](https://apptail.io/app/nback-boost-iq-nCpv/oman) - [Panama](https://apptail.io/app/nback-boost-iq-nCpv/panama) - [Peru](https://apptail.io/app/nback-boost-iq-nCpv/peru) - [Philippines](https://apptail.io/app/nback-boost-iq-nCpv/philippines) - [Portugal](https://apptail.io/app/nback-boost-iq-nCpv/portugal) - [Romania](https://apptail.io/app/nback-boost-iq-nCpv/romania) - [Russia](https://apptail.io/app/nback-boost-iq-nCpv/russia) - [Saudi Arabia](https://apptail.io/app/nback-boost-iq-nCpv/saudi-arabia) - [Singapore](https://apptail.io/app/nback-boost-iq-nCpv/singapore) - [Senegal](https://apptail.io/app/nback-boost-iq-nCpv/senegal) - [Suriname](https://apptail.io/app/nback-boost-iq-nCpv/suriname) - [Türkiye](https://apptail.io/app/nback-boost-iq-nCpv/turkey) - [Taiwan](https://apptail.io/app/nback-boost-iq-nCpv/taiwan) - [Ukraine](https://apptail.io/app/nback-boost-iq-nCpv/ukraine) - [Uzbekistan](https://apptail.io/app/nback-boost-iq-nCpv/uzbekistan) - [United Arab Emirates](https://apptail.io/app/nback-boost-iq-nCpv/united-arab-emirates) - [South Africa](https://apptail.io/app/nback-boost-iq-nCpv/south-africa) - [Armenia](https://apptail.io/app/nback-boost-iq-nCpv/armenia) - [Angola](https://apptail.io/app/nback-boost-iq-nCpv/angola) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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