MemNum vs Cognito
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
MemNum
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MemNum is a game where you memorise a sequence of numbers in a grid in a certain amount of time. You then try and recall the sequence as quickly as you can. The faster you recall and the more numbers you guess in your 'streak', the more points you get! FEATURES - Easy game to learn. - Leaderboard showing your top scores for each grid.
Cognito
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Cognito Brain Training โ Play Brain Games with friends, Train Your Brain, Improve Memory & Focus, Boost Your Mind Cognito is a fun and engaging social brain training app designed to enhance memory, focus, and cognitive agility. Play a variety of games with other users and your friends to challenge your brain. Track your progress and compete with users in the global leaderboard. Auto-Renewable Subscriptions: - Cognito Pro Monthly: $1.19/month - Cognito Pro Yearly: $4.99/year Manage Your Subscription: Subscriptions can be managed or cancelled at any time via your Apple ID account settings. Legal & Privacy: Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cognito.games/privacy-policy Unlock your full potential with Cognito Pro and take your brain training to the next level!
Screenshots
Verdict
The clearest difference is in-app purchases: MemNum at none against Cognito's 2. Cognito's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Cognito sells 2 in-app purchases, starting at $4.99 per month. MemNum asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | MemNum | Cognito |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.6 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 11 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Gumbs | Pushp Raj Saurabh |
In-app purchases
MemNum
No in-app purchases
Cognito
- Cognito Pro Membership- Monthly$4.991 Month
- Cognito Pro Membership- Yearly$29.991 Year









