# Alien mission vs Protect tooth

The clearest difference is iOS requirement: Alien mission at 8.0 against Protect tooth's 12.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Alien mission against 5.0 for Protect tooth. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Alien mission ships an update every 25 months, Protect tooth every 49 months. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Alien mission | Protect tooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/alien-mission/id977535950/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/protect-tooth/id1165266443/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 25 months** | Every 49 months |
| Monetization | Free | Free |
| Size | 68 MB | 21 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [娟 杜](https://appshunter.io/developer/974748350) | [国财 胡](https://appshunter.io/developer/796061213) |

## What reviewers say

### Alien mission

[App page](https://appshunter.io/ios/app/alien-mission/id977535950)

Control a robot to explore alien worlds and complete challenging puzzle-action missions. Dodge obstacles and defeat monsters to advance through checkpoints. This game is suitable for various age groups and playable on phones and tablets.

**Highlights:** Robot control, Puzzle-action gameplay, Explore alien worlds, Complete missions, Dodge obstacles, Defeat monsters

**Features:** macOS Compatibility

**In-app purchases:** none


### Protect tooth

[App page](https://appshunter.io/ios/app/protect-tooth/id1165266443)

Engage in a fun and simple dental simulation game. Clean, repair, and even replace teeth using various virtual tools. Experience the process of oral care and see the results of your work.

**Highlights:** Virtual and real scenes, Realistic simulation, Learning experience, Simple click and drag controls, Teeth repair and replacement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien mission free?

Alien mission is free to download, with no in-app purchases.

### Is Protect tooth free?

Protect tooth is free to download, with no in-app purchases.

### Which has better reviews, Alien mission or Protect tooth?

Alien mission and Protect tooth are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Alien mission or Protect tooth have ads?

Neither Alien mission nor Protect tooth shows ads.

### Which is updated more often, Alien mission or Protect tooth?

Alien mission ships an update every 25 months, and Protect tooth every 49 months. Most recently, Alien mission was updated on October 14, 2026 and Protect tooth on October 1, 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.*