# Mystery Hidden Objects vs Sea Boom

The clearest difference is rating: Sea Boom at 4.0 against Mystery Hidden Objects's 2.5. Sea Boom also leads on ads (none vs shown) and iOS requirement (9.0 vs 13). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Mystery Hidden Objects sells 4 one-off in-app purchases and Sea Boom sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sea Boom holds the better App Store score, 4.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Mystery Hidden Objects ships an update every 13 months, Sea Boom every 15 months. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Mystery Hidden Objects | Sea Boom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/mystery-hidden-objects/id812143590/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/sea-boom/id1140146276/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 13 months** | Every 15 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 219 MB | 68 MB |
| Requires iOS | 13 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Smith](https://appshunter.io/developer/483881207) | [Denis Sokolov](https://appshunter.io/developer/1161350207) |

## What reviewers say

### Mystery Hidden Objects

[App page](https://appshunter.io/ios/app/mystery-hidden-objects/id812143590)

Explore beautiful scenes and find a variety of hidden items. Use hints and zoom to locate objects quickly. Levels can be skipped and replayed with new object sets.

**Highlights:** Multiple beautiful scenes, Find hidden items, Hint and Zoom buttons, Skip levels, Replay levels with new objects

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint object | $0.99 | one-time |
| Skip level | $0.99 | one-time |
| Unlock all levels | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


### Sea Boom

[App page](https://appshunter.io/ios/app/sea-boom/id1140146276)

Defend a vibrant sea reef from an onslaught of monstrous invaders. Guide exiled sea people in their fight to reclaim their home and restore peace to their underwater kingdom.

**Highlights:** Reef defense gameplay, Fight sea monsters, Help exiled sea people, Restore underwater kingdom, Engaging storyline

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $0.99 | one-time |
| Unlock All Levels | $0.99 | one-time |
| Unlock All Reefs | $0.99 | one-time |


## Frequently asked questions

### Is Mystery Hidden Objects free?

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

### Is Sea Boom free?

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

### Which has better reviews, Mystery Hidden Objects or Sea Boom?

Sea Boom is rated higher. Mystery Hidden Objects averages 2.5 out of 5 from 2 ratings, while Sea Boom averages 4.0 from 2 ratings.

### Do Mystery Hidden Objects or Sea Boom have ads?

Mystery Hidden Objects shows ads; Sea Boom does not.

### Which is updated more often, Mystery Hidden Objects or Sea Boom?

Mystery Hidden Objects ships an update every 13 months, and Sea Boom every 15 months. Most recently, Mystery Hidden Objects was updated on October 29, 2026 and Sea Boom on November 2, 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.*