# MASH vs Jellyfish Simulator

The clearest difference is review sentiment: MASH at 85% against Jellyfish Simulator's 50%. MASH also leads on rating (5.0 vs 4.6) and update cadence (weekly vs every 3 months). Jellyfish Simulator's advantage is in-app purchases (none vs 1) and ratings volume (7 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. MASH sells 1 one-off in-app purchase. Jellyfish Simulator asks for nothing beyond the download.

MASH holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 85% of MASH's written reviews are positive against 50% of Jellyfish Simulator's.

MASH ships an update weekly, Jellyfish Simulator every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | MASH | Jellyfish Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mash-discover-your-future/id305676364/reviews)** | [4.6 (7 ratings)](https://appshunter.io/ios/app/jellyfish-simulator/id980837740/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | **85.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 53 MB | 14 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Magnate Interactive Ltd](https://appshunter.io/developer/303058770) | [KENSHI DOI](https://appshunter.io/developer/709264908) |

## What reviewers say

### MASH

[App page](https://appshunter.io/ios/app/mash-discover-your-future/id305676364)

This classic fortune-telling game lets you discover hilarious and surprising futures. Create unique stories about marriage, careers, and more. Perfect for parties, family game nights, or quick, fun predictions.

**Highlights:** Unlimited fortune predictions, Shareable future stories, Save favorite fortunes, Kid-safe content (ages 9+), Passcode protection, 20+ prediction categories

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MASH - Remove Ads | $1.99 | one-time |


### Jellyfish Simulator

[App page](https://appshunter.io/ios/app/jellyfish-simulator/id980837740)

Care for virtual jellyfish by cleaning their tank and circulating water. New jellyfish will appear and grow, with six types available. Play data is automatically saved to iCloud and accessible on other devices, including Apple Watch.

**Highlights:** Jellyfish growth simulation, Tank cleaning mechanics, Multiple jellyfish types, iCloud data saving, Apple Watch companion app, AR/VR 3D viewing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MASH free?

MASH is free to download, with in-app purchases available.

### Is Jellyfish Simulator free?

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

### Which has better reviews, MASH or Jellyfish Simulator?

MASH is rated higher. MASH averages 5.0 out of 5 from 2 ratings, while Jellyfish Simulator averages 4.6 from 7 ratings.

### Do MASH or Jellyfish Simulator have ads?

Both MASH and Jellyfish Simulator show ads.

### Which is updated more often, MASH or Jellyfish Simulator?

MASH ships an update weekly, and Jellyfish Simulator every 3 months. Most recently, MASH was updated on October 24, 2026 and Jellyfish Simulator on October 22, 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.*