Comparison

BrainKeeper vs Quiet MoodLog

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

Head to head
About

BrainKeeper

Engage in daily, quick brain exercises designed to sharpen your mind and improve memory. This program offers three difficulty levels to challenge users and help prevent cognitive aging. Consistent use for 60 days can lead to noticeable improvements in mental acuity.

Highlights
  • Daily brain exercises
  • Memory improvement
  • Cognitive aging prevention
  • Less than 5 minutes per workout
  • Three difficulty levels
  • No ads or subscriptions
Read full description

This app is inspired by Dr. Ryuta Kawashima's simple math brain training program. 60 days with BrainKeeper will help you tone your brain and prevent aging. Regular exercise with the app improves memory by 10%. It works! -A program of daily brain exercises(если разнообразные упражнения, то можно сказать и activities) to sharpen your mind -Daily workout takes less than 5 minutes -Three difficulty levels -No ads or subscriptions

About

Quiet MoodLog

This app offers a private and simple way to log your daily mood, thoughts, and patterns. Its clean design focuses on distraction-free tracking, with on-device storage for your entries. An optional Pro upgrade allows for data export.

Highlights
  • Quick mood tracking
  • Simple daily logging
  • Private on-device storage
  • Distraction-free design
  • Export entries (Pro)
Read full description

Quiet MoodLog is a private mood and symptom journal. There is no account, no cloud, and no server — every entry lives only on your device, and you can take it with you or delete it at any time. Open the app, tap how you feel, done. HOW IT WORKS • Log your mood in two taps, with an optional note • Track symptoms like headaches or fatigue, with intensity • Add tags (exercise, poor sleep, work stress…) to any entry • A gentle daily reminder helps you keep the habit — optional, and processed entirely on your phone UNDERSTAND YOUR PATTERNS • Trends, streaks and weekday averages • Mood distribution at a glance • Patterns: see how your tags and symptoms line up with your mood — computed entirely on your device, never uploaded • Calendar view of your month • Search and filter your full history QUIET MOODLOG PRO — one small one-time purchase, no subscription • Removes ads completely, including every ad network request • App lock with Face ID, Touch ID or PIN • Passphrase-encrypted backups — restoring is free for everyone, always. Your data is never held hostage • PDF reports: a clean summary of your moods, symptoms and patterns, ready to bring to a therapist • CSV export of your full history PRIVACY, FOR REAL No sign-up. No analytics on your journal. No cloud copies. Your entries never leave your device unless you export them yourself. The free version shows a single small banner ad; Pro removes ads entirely. Quiet MoodLog is a journal, not a medical device — it doesn't diagnose or treat any condition. If you're struggling, please reach out to a professional.

Screenshots

BrainKeeper4 screens
Quiet MoodLog4 screens

Verdict

The call

The clearest difference is in-app purchases: BrainKeeper at none against Quiet MoodLog's 1. BrainKeeper also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). Quiet MoodLog's advantage is ratings volume (3 vs 1). On price, rating, review sentiment 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. Quiet MoodLog sells 1 one-off in-app purchase. BrainKeeper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for BrainKeeper against 5.0 for Quiet MoodLog. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

BrainKeeper ships an update fortnightly, Quiet MoodLog every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
BrainKeeper versus Quiet MoodLog: the parameters behind the verdict, then further details
ParameterBrainKeeperQuiet MoodLog
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings13 — better
Update frequencyFortnightly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.113.0 — better
Further details — not scored
Size5 MB27 MB
Age rating4+4+
DeveloperKamil SuleimanovBilal Uslu

Customer experience

BrainKeeper

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Quiet MoodLog

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

BrainKeeper

No in-app purchases

1 purchases

Quiet MoodLog

One-time1
  • Pro Unlock$6.99

Questions

Is BrainKeeper free?
BrainKeeper is free to download, with no in-app purchases.
Is Quiet MoodLog free?
Quiet MoodLog is free to download, with in-app purchases available.
Which has better reviews, BrainKeeper or Quiet MoodLog?
BrainKeeper and Quiet MoodLog are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do BrainKeeper or Quiet MoodLog have ads?
Quiet MoodLog shows ads; BrainKeeper does not.
Which is updated more often, BrainKeeper or Quiet MoodLog?
BrainKeeper ships an update fortnightly, and Quiet MoodLog every 2 months. Most recently, BrainKeeper was updated on October 15, 2026 and Quiet MoodLog on October 12, 2026.

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