# MOBIMOON vs Torus Keep

The clearest difference is in-app purchases: MOBIMOON at none against Torus Keep's 10. MOBIMOON also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.0). Torus Keep's advantage is update cadence (daily vs monthly). On price and device support there is nothing between them.

Both are free to download. Torus Keep sells 10 one-off in-app purchases. MOBIMOON asks for nothing beyond the download.

MOBIMOON ships an update monthly, Torus Keep daily. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | MOBIMOON | Torus Keep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Size | 168 MB | 13 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Universal Mobile Systems](https://appshunter.io/developer/1471650351) | [Jason Fraser](https://appshunter.io/developer/6806396032) |

## What reviewers say

### MOBIMOON

[App page](https://appshunter.io/ios/app/mobimoon/id6511237470)

**In-app purchases:** none


### Torus Keep

[App page](https://appshunter.io/ios/app/torus-keepspace-tower-defense/id6821507677)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Salvage Crate | $0.99 | one-time |
| Pollinator | $1.99 | one-time |
| Salvage Container | $2.99 | one-time |
| Finish set: Abyssal | $2.99 | one-time |
| Finish set: Prism | $2.99 | one-time |
| Pruner | $2.99 | one-time |
| Tender Bay | $2.99 | one-time |
| Spore Layer | $2.99 | one-time |
| Salvage Freighter | $4.99 | one-time |
| Keeper's Log: Supporter lane | $4.99 | one-time |


## Frequently asked questions

### Is MOBIMOON free?

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

### Is Torus Keep free?

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

### Do MOBIMOON or Torus Keep have ads?

Torus Keep shows ads; MOBIMOON does not.

### Which is updated more often, MOBIMOON or Torus Keep?

MOBIMOON ships an update monthly, and Torus Keep daily. Most recently, MOBIMOON was updated on November 8, 2026 and Torus Keep on November 6, 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.*