Comparison

Arithmetic HD vs Cognify

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

Head to head
About

Arithmetic HD

Features
Read full description

Learning basic math operations - addition, subtraction, multiplication, and division. Checking the knowledge of the multiplication table. http://madeforipad.ru/programs/769-arifmetika.html

About

Cognify

Features
Read full description

Cognify is a calm five-minute daily workout for your mental math and memory. Six quick exercises, one short session a day, and a clear picture of your progress over time. Built for focus, not for endless games. WHAT YOU TRAIN - Speed Arithmetic for fast calculation - Number Memory and Grid Memory for short-term recall - Word Recall for verbal memory - Schulte Table and Color Match for attention and focus THE 60-DAY COURSE A structured path of one short session per day. Days 1 to 7 are free, so you can build the habit before deciding. Finish the course to unlock Endless mode. SEE YOURSELF IMPROVE Every session gives you an activity score and a playful brain-age estimate from your speed and accuracy, charted day by day. Keep a daily streak going to stay consistent. SIMPLE BY DESIGN No accounts, no ads, no clutter. Works on iPhone and iPad, in light and dark, fully in English, Russian, German, French and Spanish. Cognify Plus unlocks the full 60-day course, Endless mode and your complete history. Monthly or annual, with a 7-day free trial on the annual plan. Subscriptions renew automatically until cancelled; manage or cancel anytime in Settings. Terms of Use: https://github.com/spiroba/Memorywork/blob/main/terms-of-use.md Privacy Policy: https://github.com/spiroba/Memorywork/blob/main/privacy-policy.md

Screenshots

Arithmetic HD3 screens
Cognify4 screens

Verdict

The call

The clearest difference is price: Cognify at Free against Arithmetic HD's $1.99. Arithmetic HD's advantage is in-app purchases (none vs 2) and iOS requirement (12.1 vs 17.0). On 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Cognify is free to download; Arithmetic HD costs $1.99 up front. Cognify sells 2 in-app purchases, starting at $6.99 per month. Arithmetic HD asks for nothing beyond the download.

Scorecard3 real differences ยท 3 level
Arithmetic HD versus Cognify: the parameters behind the verdict, then further details
ParameterArithmetic HDCognify
Price$1.99Free โ€” better
Update frequencyEvery 9 monthsโ€”
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.1 โ€” better17.0
Further details โ€” not scored
Size17 MB7 MB
Age rating4+4+
DeveloperKostakov MaximBoris Spiro

In-app purchases

None

Arithmetic HD

No in-app purchases

2 purchases

Cognify

Subscriptions2
  • Monthly7 Days trial$6.991 Month
  • Annual7 Days trial$29.991 Year

Questions

Is Arithmetic HD free?
Arithmetic HD costs $1.99, with no in-app purchases.
Is Cognify free?
Cognify is free to download, with in-app purchases available.
Do Arithmetic HD or Cognify have ads?
Neither Arithmetic HD nor Cognify shows ads.

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