# Reverse Reaction! vs Nova Chain

The clearest difference is in-app purchases: Nova Chain at none against Reverse Reaction!'s 8. Nova Chain also leads on ads (none vs shown). Reverse Reaction!'s advantage is iOS requirement (13.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Reverse Reaction! sells 8 one-off in-app purchases. Nova Chain asks for nothing beyond the download.

## The numbers

| Metric | Reverse Reaction! | Nova Chain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Size | 62 MB | 1 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Percy Ng'uni](https://appshunter.io/developer/1788450936) | [ABDULLAH ATIF BARAN](https://appshunter.io/developer/1884333658) |

## What reviewers say

### Reverse Reaction!

[App page](https://appshunter.io/ios/app/reverse-reaction/id6758720518)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Space Theme | $0.99 | one-time |
| Sketch Theme | $0.99 | one-time |
| Deep Sea Theme | $0.99 | one-time |
| Retro Theme | $0.99 | one-time |
| Remove Ads Forever | $1.99 | one-time |
| 500 Coins | $1.99 | one-time |
| Remove Ads | $3.00 | one-time |
| 1000 Coins | $4.99 | one-time |


### Nova Chain

[App page](https://appshunter.io/ios/app/nova-chain/id6760411807)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Reaction! free?

Reverse Reaction! is free to download, with in-app purchases available.

### Is Nova Chain free?

Nova Chain is free to download, with no in-app purchases.

### Do Reverse Reaction! or Nova Chain have ads?

Reverse Reaction! shows ads; Nova Chain does not.

---

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