# BrainKeeper vs Quiet MoodLog

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.

Both are free to download. Quiet MoodLog sells 1 one-off in-app purchase. BrainKeeper asks for nothing beyond the download.

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.

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

## The numbers

| Metric | BrainKeeper | Quiet MoodLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/brainkeeper/id1578953731/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/quiet-moodlog/id6761081993/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 27 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kamil Suleimanov](https://appshunter.io/developer/1530811067) | [Bilal Uslu](https://appshunter.io/developer/1887698637) |

## What reviewers say

### BrainKeeper

[App page](https://appshunter.io/ios/app/brainkeeper/id1578953731)

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

**In-app purchases:** none


### Quiet MoodLog

[App page](https://appshunter.io/ios/app/quiet-moodlog/id6761081993)

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)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $6.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*