Comparison

Marevo vs Cognis

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Marevo

Features
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Marevo helps you build daily math skills through practice, animated step-by-step explanations, and structured theory across geometry and algebra. Free plan includes up to 10 problems per day and 3 solution explanations per day. An optional Premium subscription is required to unlock unlimited problems and unlimited solution explanations. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://marevo.app/terms

About

Cognis

Features
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Flashcards helps you turn scattered notes into focused study sessions that fit your day. Build collections, organize decks, and start reviewing in seconds. Adaptive card ratings keep your practice moving so you remember more with less stress. Whether you are preparing for class, exams, or long-term skill growth, Flashcards gives you a clean workflow from creating cards to completing a full review session. You can track what is due, focus on what matters now, and keep momentum every time you open the app. **Organize Your Study Library** Create collections for each subject and group related decks in one place. Expand and collapse sections to keep your library easy to scan even as it grows. **Start Focused Review Sessions** Open a deck and jump straight into a full-screen review flow designed for concentration. Progress indicators and status summaries show exactly how much you have completed. **Learn Faster With Adaptive Ratings** Rate each card as Again, Hard, Good, or Easy to schedule your next review interval. This adaptive loop keeps difficult cards in rotation while letting easy cards space out naturally. **Create and Edit Cards Quickly** Add prompts and answers with streamlined forms so new material is captured fast. Edit or remove cards, decks, and collections whenever your study plan changes. **See Daily Progress Clearly** Study snapshots show how many new and review cards are ready right now. Session completion screens reinforce progress and help you finish with confidence. Download Flashcards and build a smarter daily review habit that keeps knowledge fresh.

Screenshots

Marevo4 screens
Cognis4 screens

Verdict

The call

The clearest difference is update cadence: Marevo at every 6 days against Cognis's every 2 weeks. Marevo also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Marevo sells 2 in-app purchases, starting at $7.99 per month and Cognis sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Marevo ships an update every 6 days, Cognis every 2 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard2 real differences ยท 4 level
Marevo versus Cognis: the parameters behind the verdict, then further details
ParameterMarevoCognis
PriceFreeFree
Update frequencyEvery 6 days โ€” betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 โ€” better26.0
Further details โ€” not scored
Size88 MB3 MB
Age rating4+4+
DeveloperKyrylo KuchynskyiFishington Studios

In-app purchases

2 purchases

Marevo

Subscriptions2
  • Monthly Premium$7.991 Month
  • Yearly Premium$39.991 Year
1 purchases

Cognis

One-time1
  • Upgrade to Pro$4.99

Questions

Is Marevo free?
Marevo is free to download, with in-app purchases available.
Is Cognis free?
Cognis is free to download, with in-app purchases available.
Do Marevo or Cognis have ads?
Neither Marevo nor Cognis shows ads.
Which is updated more often, Marevo or Cognis?
Marevo ships an update every 6 days, and Cognis every 2 weeks. Most recently, Marevo was updated on October 25, 2026 and Cognis on October 28, 2026.

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