# Atlantis 4 vs Mystery Hidden Object Games 9

The clearest difference is rating: Atlantis 4 at 3.8 against Mystery Hidden Object Games 9's 2.5. Atlantis 4 also leads on ads (none vs shown) and update cadence (every 13 months vs every 82 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Atlantis 4 sells 1 one-off in-app purchase and Mystery Hidden Object Games 9 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Atlantis 4 holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Atlantis 4 ships an update every 13 months, Mystery Hidden Object Games 9 every 82 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Atlantis 4 | Mystery Hidden Object Games 9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/atlantis-4-evolution-universal/id596034950/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/mystery-hidden-object-games-9/id1207364804/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 13 months** | Every 82 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1.5 GB | 48 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Microids](https://appshunter.io/developer/433861351) | [Hiren Patel](https://appshunter.io/developer/914022084) |

## What reviewers say

### Atlantis 4

[App page](https://appshunter.io/ios/app/atlantis-4-evolution-universal/id596034950)

Embark on a point-and-click adventure across time and space to help Curtis escape the technologically advanced, yet oppressed, city of Atlantis. Explore diverse environments, interact with over thirty characters, and uncover ancient secrets to return home.

**Highlights:** Point-and-click interface, 360° vision technology, Captivating scenario, Diverse environments, Interactive characters, Mobile adaptation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $2.99 | one-time |


### Mystery Hidden Object Games 9

[App page](https://appshunter.io/ios/app/mystery-hidden-object-games-9/id1207364804)

Sharpen your observation skills by finding hidden objects in challenging scenes. Utilize hints and a magnifier to aid your search. Compete with friends and share your scores on social media.

**Highlights:** Find hidden objects in scenes, Free hints available, Zoom function for detailed searching, Score and time penalties for wrong touches, Game Center integration for challenges, Social media sharing

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| buy pack-1 | $0.99 | one-time |
| buy pack-2 | $0.99 | one-time |
| remove Ads | $0.99 | one-time |
| buy magnifier | $0.99 | one-time |
| buy 10 hints | $0.99 | one-time |
| buy 30 hints | $1.99 | one-time |
| Full Version | $2.99 | one-time |
| buy 50 hints | $2.99 | one-time |
| buy 100 hints | $3.99 | one-time |
| buy 200 hints | $4.99 | one-time |


## Frequently asked questions

### Is Atlantis 4 free?

Atlantis 4 is free to download, with in-app purchases available.

### Is Mystery Hidden Object Games 9 free?

Mystery Hidden Object Games 9 is free to download, with in-app purchases available.

### Which has better reviews, Atlantis 4 or Mystery Hidden Object Games 9?

Atlantis 4 is rated higher. Atlantis 4 averages 3.8 out of 5 from 4 ratings, while Mystery Hidden Object Games 9 averages 2.5 from 2 ratings.

### Do Atlantis 4 or Mystery Hidden Object Games 9 have ads?

Mystery Hidden Object Games 9 shows ads; Atlantis 4 does not.

### Which is updated more often, Atlantis 4 or Mystery Hidden Object Games 9?

Atlantis 4 ships an update every 13 months, and Mystery Hidden Object Games 9 every 82 months. Most recently, Atlantis 4 was updated on October 23, 2026 and Mystery Hidden Object Games 9 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.*