# Gravity One vs Tether Orbit

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

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

Gravity One ships an update every 9 months, Tether Orbit every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Gravity One | Tether Orbit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (7 ratings)](https://appshunter.io/ios/app/tether-orbit/id6454675527/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 174 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sami Salkosuo](https://appshunter.io/developer/820432278) | [William Clayton](https://appshunter.io/developer/1629536989) |

## What reviewers say

### Gravity One

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Tether Orbit

[App page](https://appshunter.io/ios/app/tether-orbit/id6454675527)

Tap and hold to use planetary gravity to launch your ship through space. Collect stars, unlock new vessels, and aim for the highest score possible. Test your skills and see how far you can travel.

**Highlights:** Tap and hold to latch onto planets, Use planetary orbits for propulsion, Unlock new ships, Collect stars, Achieve high scores

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| 1500 Stars / No Ads | $1.99 | one-time |
| 10000 Stars / No Ads | $4.99 | one-time |


## Frequently asked questions

### Is Gravity One free?

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

### Is Tether Orbit free?

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

### Do Gravity One or Tether Orbit have ads?

Neither Gravity One nor Tether Orbit shows ads.

### Which is updated more often, Gravity One or Tether Orbit?

Gravity One ships an update every 9 months, and Tether Orbit every 3 weeks. Most recently, Gravity One was updated on November 1, 2026 and Tether Orbit on November 3, 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.*