# Gravity One vs Erchis Chakra

The clearest difference is in-app purchases: Gravity One at none against Erchis Chakra's 2. Erchis Chakra's advantage is iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Erchis Chakra sells 2 one-off in-app purchases. Gravity One asks for nothing beyond the download.

## The numbers

| Metric | Gravity One | Erchis Chakra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 15 MB | 85 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sami Salkosuo](https://appshunter.io/developer/820432278) | [Nomadic Bear Games](https://appshunter.io/developer/1188304416) |

## What reviewers say

### Gravity One

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Erchis Chakra

[App page](https://appshunter.io/ios/app/erchis-chakra/id6499409622)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Gem Pack | $0.99 | one-time |
| Your Totem | $3.99 | one-time |


## Frequently asked questions

### Is Gravity One free?

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

### Is Erchis Chakra free?

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

### Do Gravity One or Erchis Chakra have ads?

Neither Gravity One nor Erchis Chakra shows ads.

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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.*