# Unit 404! vs INMOST

The clearest difference is in-app purchases: Unit 404! at none against INMOST's 2. Unit 404! also leads on iOS requirement (11.0 vs 13.0). INMOST's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 14 months). On price and device support there is nothing between them.

Both are free to download. INMOST sells 2 one-off in-app purchases. Unit 404! asks for nothing beyond the download.

Unit 404! ships an update every 14 months, INMOST every 6 weeks. The most recent releases landed on November 8, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Unit 404! | INMOST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (763 ratings)](https://appshunter.io/ios/app/inmost/id6478596530/reviews)** |
| Number of ratings | — | **763** |
| Positive reviews | — | 81.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 603 MB | 1.2 GB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MOBASO](https://appshunter.io/developer/1457825223) | [Chucklefish Limited](https://appshunter.io/developer/1163786770) |

## What reviewers say

### Unit 404!

[App page](https://appshunter.io/ios/app/unit-404/id1623406138)

**Features:** macOS Compatibility

**In-app purchases:** none


### INMOST

[App page](https://appshunter.io/ios/app/inmost/id6478596530)

Embark on a dark, story-driven puzzle platformer adventure across two worlds. Play as three distinct characters, each with unique abilities, to explore an abandoned castle, solve intricate puzzles, and overcome dangerous enemies. Unravel a single, interconnected narrative filled with mystery and suspense.

**Highlights:** Three playable characters with unique gameplay, Interweaving story across two worlds, Puzzle-solving and environmental exploration, Stealth and combat mechanics, Pixel art aesthetic, 3 hours of gameplay

**Features:** macOS Compatibility, Game Controller support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| -Purchase the full game- | $4.99 | one-time |
| -Purchase the full game- | $5.99 | one-time |

**What reviewers like**

- 🚀 Unique and compelling story
- 👍 Stunning visuals and art style
- 💡 Meaningful themes and emotional impact
- 👍 Engaging and fun gameplay

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔋 Potential progress loss issues

**Reported bugs**

- Freezing during gameplay
- Progress deletion without warning

**Requested features**

- More content and longer gameplay
- Improved save/load functionality


## Frequently asked questions

### Is Unit 404! free?

Unit 404! is free to download, with no in-app purchases.

### Is INMOST free?

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

### Do Unit 404! or INMOST have ads?

Unit 404! shows ads; INMOST does not.

### Which is updated more often, Unit 404! or INMOST?

Unit 404! ships an update every 14 months, and INMOST every 6 weeks. Most recently, Unit 404! was updated on November 8, 2026 and INMOST on November 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.*