# Random Diversity vs mumbler

The clearest difference is rating: mumbler at 4.0 against Random Diversity's 1.0. mumbler also leads on update cadence (every 3 days vs fortnightly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

mumbler holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Random Diversity ships an update fortnightly, mumbler every 3 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Random Diversity | mumbler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/random-diversity/id6447423898/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mumbler/id6746807998/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 44 MB | 25 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HYEOK JU JANG](https://appshunter.io/developer/1212809788) | [SEOYOUNG JO](https://appshunter.io/developer/1637383328) |

## What reviewers say

### Random Diversity

[App page](https://appshunter.io/ios/app/random-diversity/id6447423898)

This app is essential for participating in exhibitions by Discrete Label, including 'Random Diversity: The Movie' and 'Random Diversity: Fragnance'. It allows users to archive emotions by extracting and saving 'Emotion Vaccines' from happy moments and precious memories, creating a personal emotional archive.

**Highlights:** Participate in Discrete Label exhibitions, Archive emotions, Extract 'Emotion Vaccines', Record emotional archives, Recall happy memories, View exhibition-related works

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### mumbler

[App page](https://appshunter.io/ios/app/mumbler/id6746807998)

This app allows you to record your thoughts and feelings as text entries, timestamped and stored locally on your device. It offers a private space for personal reflection without requiring an internet connection. Entries are organized chronologically by date.

**Highlights:** Local storage for privacy, Offline functionality, Timestamped entries, Chronological organization, Secure personal reflection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Random Diversity free?

Random Diversity is free to download, with no in-app purchases.

### Is mumbler free?

mumbler is free to download, with no in-app purchases.

### Which has better reviews, Random Diversity or mumbler?

mumbler is rated higher. Random Diversity averages 1.0 out of 5 from 1 ratings, while mumbler averages 4.0 from 1 ratings.

### Do Random Diversity or mumbler have ads?

Neither Random Diversity nor mumbler shows ads.

### Which is updated more often, Random Diversity or mumbler?

Random Diversity ships an update fortnightly, and mumbler every 3 days. Most recently, Random Diversity was updated on October 24, 2026 and mumbler on October 22, 2026.

---

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