# 追いかけられる悪夢 vs Mysterious Tribe

The clearest difference is update cadence: Mysterious Tribe at daily against 追いかけられる悪夢's fortnightly. Mysterious Tribe also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

追いかけられる悪夢 ships an update fortnightly, Mysterious Tribe daily. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 追いかけられる悪夢 | Mysterious Tribe |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | — | Ad-supported |
| Size | 290 MB | 172 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Yusuke Masuda](https://appshunter.io/developer/1578136233) | [Ryohei Sakai](https://appshunter.io/developer/1712793842) |

## What reviewers say

### 追いかけられる悪夢

[App page](https://appshunter.io/ios/app/id6474242437)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mysterious Tribe

[App page](https://appshunter.io/ios/app/mysterious-tribe/id6745242669)

Observe and interact with a mysterious alien species on an unknown planet. Use a drone to collect points, trigger unique behaviors, and document discoveries in an encyclopedia. Enjoy a gentle idle simulation game with evolving environments and species traits.

**Highlights:** Alien species observation, Idle gameplay with point accumulation, Drone control for active observation, Behavior encyclopedia, Dynamic daily cycles affecting behavior, Unlockable new lands and environments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 追いかけられる悪夢 free?

追いかけられる悪夢 is free to download, with no in-app purchases.

### Is Mysterious Tribe free?

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

### Do 追いかけられる悪夢 or Mysterious Tribe have ads?

Both 追いかけられる悪夢 and Mysterious Tribe show ads.

### Which is updated more often, 追いかけられる悪夢 or Mysterious Tribe?

追いかけられる悪夢 ships an update fortnightly, and Mysterious Tribe daily. Most recently, 追いかけられる悪夢 was updated on October 15, 2026 and Mysterious Tribe on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*