Comparison

Cogni vs TankEvolution

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

Head to head
About

Cogni

Create and study flashcards to master new materials efficiently. Utilize an enhanced spaced repetition algorithm to optimize study sessions for exams, languages, or complex subjects. Millions trust this method to achieve their learning goals.

Highlights
  • Create and review custom flashcards
  • Spaced repetition algorithm
  • Pre-made deck library
  • AI-enhanced recall
  • Progress tracking
  • Offline access
Read full description

Cogni empowers you to master new materials effortlessly by creating and studying flashcards. Built on an enhanced spaced repetition algorithm, the app optimizes your study sessions, ensuring you get the most out of your learning. Whether preparing for exams, studying languages, or mastering complex subjects, millions trust flashcards to achieve their goals. Start your journey to mastery today—no limits, no boundaries, just learning! - Languages - Medicine (MCAT, USMLE & More) - Anatomy & Physiology - Exam preparation (SAT, GRE & More) - Math - Law - Geography - Computing - And many more! Key Benefits: - Easily create and review flashcards tailored to your learning needs. - Customize your cards with colors, lists, and more to fit your style. - Access a massive library of pre-made decks to jumpstart your learning. - Review lecture materials and prep for exams with powerful spaced repetition. Thousands of students boost their grades with this science-backed approach. - AI-enhanced spaced repetition (SRS) for optimal recall. - Flexible study interface with swipe and tap actions for efficient learning. - Detailed statistics and progress tracking to monitor your success. - Offline access to study with media-supported flashcards. Get started with Cogni today and take control of your learning journey! Terms of Use: https://cogni.cards/terms/ Privacy Policy: https://cogni.cards/privacy/

About

TankEvolution

Features
Read full description

Tank Evolution is a sandbox strategy simulation that combines the look of Battle City with the living logic of Conways Game of Life. You do not control a single tank. You shape the battlefield and watch two tank populations fight survive reproduce mutate and evolve. Every match becomes a small ecosystem where combat pressure resource pressure and terrain pressure push the next generation in different directions. Place resource zones danger zones and walls to change the rules of survival. Fast tanks may learn to escape and collect resources. Heavy tanks may hold key ground and win direct fights. High firepower tanks may dominate open lanes. Over time the battlefield selects winners and new traits spread through the population. Each tank has three core attributes speed firepower and armor. Tanks gain energy by surviving controlling resources and damaging enemies. When conditions are right they reproduce and pass their traits to offspring with small mutations. One line may become aggressive and fast. Another may become slow but durable. Evolution happens through battle not through manual upgrades. The game is easy to observe but full of long term depth. You can pause speed up reset and compare different outcomes under different maps and pressures. Watch populations rise split collapse and return in new forms. Tank Evolution is for players who love classic tank battles and also enjoy systems that grow change and surprise them over time. It is a battlefield with the shell of Battle City and the soul of Conways Game of Life.

Screenshots

Cogni4 screens
TankEvolution3 screens

Verdict

The call

The clearest difference is in-app purchases: TankEvolution at none against Cogni's 9. Cogni's advantage is iOS requirement (16.4 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cogni sells 9 in-app purchases, starting at $4.99 per month. TankEvolution asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

Scorecard2 real differences · 8 level
Cogni versus TankEvolution: the parameters behind the verdict, then further details
ParameterCogniTankEvolution
PriceFreeFree
Rating4.7 (1.7K ratings) — better—
Positive reviews35.7% of reviews—
Number of ratings1.7K — better—
Update frequencyEvery 10 daysEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better26.2
Further details — not scored
Size68 MB6 MB
Age rating4+4+
DeveloperCOGNIFLY LTD书心 刘

Bugs and requests

Cogni

Reported bugs

2 issues
  • App no longer available after paying for annual subscription
  • Occasional crashes

Requested features

4 requests
  • Integrate ChatGPT or Claude for automatic card creation
  • Add sub-decks for larger decks that need more review
  • Improve algorithm for hard/again ratings to better target struggling cards
  • Add subsections for decks to study different sections separately

TankEvolution

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Cogni

Subscriptions7
  • Premium Monthly$4.991 Month
  • Premium Monthly$7.991 Month
  • Premium Monthly$14.991 Month
Show 4 more
  • Premium Annual$19.991 Year
  • Premium Annual$24.991 Year
  • Premium Annual$29.991 Year
  • Premium Annual$49.991 Year
One-time2
  • Lifetime Premium$69.99
  • Premium Lifetime$99.99
None

TankEvolution

No in-app purchases

Questions

Is Cogni free?
Cogni is free to download, with in-app purchases available.
Is TankEvolution free?
TankEvolution is free to download, with no in-app purchases.
Do Cogni or TankEvolution have ads?
Neither Cogni nor TankEvolution shows ads.
Which is updated more often, Cogni or TankEvolution?
Cogni ships an update every 10 days, and TankEvolution every 10 days. Most recently, Cogni was updated on October 27, 2026 and TankEvolution on October 26, 2026.

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