# Hidden Stuff vs Sudoku Effect Game

The clearest difference is in-app purchases: Sudoku Effect Game at none against Hidden Stuff's 8. Sudoku Effect Game also leads on iOS requirement (13.0 vs 15.0). Hidden Stuff's advantage is update cadence (every 2 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Hidden Stuff sells 8 one-off in-app purchases. Sudoku Effect Game asks for nothing beyond the download.

Hidden Stuff ships an update every 2 months, Sudoku Effect Game every 7 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Hidden Stuff | Sudoku Effect Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (18K ratings)](https://appshunter.io/ios/app/hidden-stuff/id1625127917/reviews)** | — |
| Number of ratings | **18K** | — |
| Positive reviews | 51.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 294 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [SayGames LTD](https://appshunter.io/developer/1551847165) | [Alexander Kettler](https://appshunter.io/developer/1702408643) |

## What reviewers say

### Hidden Stuff

[App page](https://appshunter.io/ios/app/hidden-stuff/id1625127917)

Discover a stylish and relaxing hidden object game. Search through artistic mosaics to find themed items, with no time limits or pressure. Enjoy beautiful illustrations and a calming puzzle experience.

**Highlights:** Artistic hidden object puzzles, Themed item collections, No time limits or attempt limits, Zoom functionality, Hint system, Over 700 illustrated items

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ADs | $2.99 | one-time |
| No ADs | $4.99 | one-time |
| 10 Hints Pack + No ADs | $4.99 | one-time |
| 10 Hints Pack | $4.99 | one-time |
| 25 Hints Pack + No ADs | $9.99 | one-time |
| 25 Hints Pack | $9.99 | one-time |
| 140 Hints Pack + No ADs | $49.99 | one-time |
| 140 Hints Pack | $49.99 | one-time |

**What reviewers like**

- 🎨 Enjoyable game
- 🕰️ No time limits
- 🔍 Fun hidden object gameplay
- 🎨 Relaxing and casual experience
- 🎨 Cute graphics

**What reviewers complain about**

- 🤖 Too many ads
- 🤖 Ads longer than gameplay
- 🤖 Ads disrupt gameplay experience
- 🐛 Bugs and glitches
- 🤖 Lack of option to remove ads

**Reported bugs**

- Game freezing and crashing
- Daily challenges not updating
- Inability to progress past certain levels
- Incorrect items being shown

**Requested features**

- Option to pay and remove ads
- Improved monthly/daily challenge updates
- More varied and challenging levels
- Better item identification and descriptions
- Volume controls


### Sudoku Effect Game

[App page](https://appshunter.io/ios/app/sudoku-effect-game/id6757192938)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Stuff free?

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

### Is Sudoku Effect Game free?

Sudoku Effect Game is free to download, with no in-app purchases.

### Do Hidden Stuff or Sudoku Effect Game have ads?

Both Hidden Stuff and Sudoku Effect Game show ads.

### Which is updated more often, Hidden Stuff or Sudoku Effect Game?

Hidden Stuff ships an update every 2 months, and Sudoku Effect Game every 7 months. Most recently, Hidden Stuff was updated on October 21, 2026 and Sudoku Effect Game on October 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.*