# Gravity One vs Mission

The clearest difference is in-app purchases: Gravity One at none against Mission's 3. Gravity One also leads on ads (none vs shown). Mission's advantage is update cadence (weekly vs every 9 months) and iOS requirement (11.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Mission sells 3 one-off in-app purchases. Gravity One asks for nothing beyond the download.

Gravity One ships an update every 9 months, Mission weekly. Both last shipped on May 17, 2026.

## The numbers

| Metric | Gravity One | Mission |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Size | 15 MB | 126 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Sami Salkosuo](https://appshunter.io/developer/820432278) | [Changsha Wangtao E-commerce Co., Ltd.](https://appshunter.io/developer/1476813023) |

## What reviewers say

### Gravity One

[App page](https://appshunter.io/ios/app/gravity-one/id820432275)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mission

[App page](https://appshunter.io/ios/app/missiontank/id1659996126)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60 Gems | $0.99 | one-time |
| 400 Gems | $4.99 | one-time |
| 1000 Gems | $9.99 | one-time |


## Frequently asked questions

### Is Gravity One free?

Gravity One is free to download, with no in-app purchases.

### Is Mission free?

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

### Do Gravity One or Mission have ads?

Mission shows ads; Gravity One does not.

### Which is updated more often, Gravity One or Mission?

Gravity One ships an update every 9 months, and Mission weekly. Most recently, Gravity One was updated on May 17, 2026 and Mission on May 17, 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.*