Comparison

Cognitive Diary vs Cognitive Age Check

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

Head to head
About

Cognitive Diary

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Cognitive Diary is a private, privacy-first space for self-reflection, emotional awareness, and everyday mental well-being. The app combines CBT-inspired journaling tools, guided breathing exercises, and validated self-assessment questionnaires to help you better understand your thoughts, emotions, and reactions โ€” at your own pace and without pressure. You can choose from structured journal formats inspired by cognitive behavioral techniques, including thought tracking, anxiety and trigger monitoring, activity planning, emotion regulation, exposure tracking, and mood reflection. These tools help organize inner experiences, notice patterns, and explore alternative perspectives in a calm and non-judgmental way. Cognitive Diary also includes simple breathing exercises designed to support moments of stress or emotional overload. Visual breathing guidance helps slow down and reconnect with the body. You can use the app without creating an account. Signing in is optional and unlocks PRO features, including secure end-to-end encrypted cloud synchronization across devices. Your privacy is a core principle of the app. All entries and test results are encrypted. Encryption keys never leave your device, and you remain in full control of your personal data. Important disclaimer: Cognitive Diary is not a medical device and does not provide medical advice, diagnosis, or treatment. It is not a substitute for professional healthcare or mental health services. If you are experiencing severe or persistent mental health symptoms, please seek help from a qualified professional. Cognitive Diary is designed as a supportive self-reflection tool and a private companion for building awareness and self-regulation skills in everyday life.

About

Cognitive Age Check

Features
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Cognitive Age Check turns brain training into a quick, game-like daily habit. Take a 5โ€“8 minute test built from rotating cognitive games โ€” digit spans, sequence and grid memory, Stroop, reaction speed, odd-one-out patterns, analogies, rotation puzzles and more. You get a playful Cognitive Age estimate plus area scores for attention, memory, processing speed, pattern recognition, verbal reasoning and spatial skills, with a cautious app-user percentile. WHAT YOU GET โ€ข A Cognitive Age estimate compared with your real age โ€ข Six area scores + a consistency score โ€ข Your strongest area and a suggested focus area โ€ข A trend you can track over weeks, with simple charts โ€ข 5 quick 2โ€“3 minute practice exercises โ€ข Short Learn cards on cognitive reserve, sleep, exercise and brain health FRESH EVERY TIME Tasks are pulled from a large rotating pool with light difficulty adaptation, so repeat tests feel new instead of memorized. PRIVATE BY DESIGN Everything stays on your device. No account, no sign-up, no tracking, and no medical data sent anywhere. Ads, if shown, are non-personalized. IMPORTANT โ€” BRAIN FITNESS, NOT MEDICAL SCREENING This app provides general cognitive fitness and educational information only. It is NOT a medical device, NOT a dementia test, NOT an IQ test, and NOT a diagnostic tool. It does not diagnose, prevent, or treat any condition. One test is a snapshot, not a diagnosis. If you are worried about memory loss, confusion, personality changes, or daily functioning, please speak with a qualified healthcare professional.

Screenshots

Cognitive Diary4 screens
Cognitive Age Check4 screens

Verdict

The call

The clearest difference is in-app purchases: Cognitive Age Check at none against Cognitive Diary's 2. Cognitive Age Check also leads on iOS requirement (13.0 vs 16.4). On price, 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

Both are free to download. Cognitive Diary sells 2 in-app purchases, starting at $0.99 per month. Cognitive Age Check asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
Cognitive Diary versus Cognitive Age Check: the parameters behind the verdict, then further details
ParameterCognitive DiaryCognitive Age Check
PriceFreeFree
Update frequencyFortnightlyโ€”
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.413.0 โ€” better
Further details โ€” not scored
Size60 MB3 MB
Age rating17+4+
DeveloperVitalii KovalovTom Hestas

In-app purchases

2 purchases

Cognitive Diary

Subscriptions2
  • PRO$0.991 Month
  • PRO$9.991 Year
None

Cognitive Age Check

No in-app purchases

Questions

Is Cognitive Diary free?
Cognitive Diary is free to download, with in-app purchases available.
Is Cognitive Age Check free?
Cognitive Age Check is free to download, with no in-app purchases.
Do Cognitive Diary or Cognitive Age Check have ads?
Neither Cognitive Diary nor Cognitive Age Check shows ads.

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