# Mersenne vs Things

The clearest difference is update cadence: Mersenne at monthly against Things's every 32 months. Things's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 88%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Mersenne costs $8.00 and Things $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Things holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 28 and 19 respectively. Written reviews point the same way: 88% of Mersenne's written reviews are positive against 100% of Things's.

Mersenne ships an update monthly, Things every 32 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Mersenne | Things |
| --- | --- | --- |
| Price | $8.00 | **$6.99** |
| Rating | [4.7 (28 ratings)](https://appshunter.io/ios/app/mersenne-auv3-plug-in-synth/id1084197093/reviews) | **[5.0 (19 ratings)](https://appshunter.io/ios/app/things-bubbles/id1662271287/reviews)** |
| Number of ratings | **28** | 19 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 32 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 9 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iceWorks, Inc.](https://appshunter.io/developer/347507439) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### Mersenne

[App page](https://appshunter.io/ios/app/mersenne-auv3-plug-in-synth/id1084197093)

This app is an AUv3-compatible synthesizer designed to create bell-like metallic sounds. It combines FM synthesis, a noise generator, and a resonator for crafting clear tones and complex metallic textures.

**Highlights:** AUv3-compatible synthesizer, Dual FM synthesis modules, Noise generator, Resonator, Metallic sound design, Bell-like tones

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

**In-app purchases:** none


### Things

[App page](https://appshunter.io/ios/app/things-bubbles/id1662271287)

This app offers an experimental filter bank delay effect for creative sound design. It features up to 10 band pass filters with adjustable resonance and individual delay controls. Users can manipulate various parameters across bands to generate unique echoes, reverbs, and sequences.

**Highlights:** Up to 10 band pass filters, Controllable resonance per band, Dedicated delay with feedback per band, Parameter spread across bands, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mersenne free?

Mersenne costs $8.00, with no in-app purchases.

### Is Things free?

Things costs $6.99, with no in-app purchases.

### Which has better reviews, Mersenne or Things?

Things is rated higher. Mersenne averages 4.7 out of 5 from 28 ratings, while Things averages 5.0 from 19 ratings.

### Do Mersenne or Things have ads?

Neither Mersenne nor Things shows ads.

### Which is updated more often, Mersenne or Things?

Mersenne ships an update monthly, and Things every 32 months. Most recently, Mersenne was updated on October 12, 2026 and Things on October 15, 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.*