# Reaction Tiime vs Gravity Cave Run

The clearest difference is in-app purchases: Reaction Tiime at none against Gravity Cave Run's 1. Gravity Cave Run's advantage is update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity Cave Run sells 1 one-off in-app purchase. Reaction Tiime asks for nothing beyond the download.

Reaction Tiime ships an update every 2 months, Gravity Cave Run daily. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Reaction Tiime | Gravity Cave Run |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 2 MB | 9 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zaffles](https://appshunter.io/developer/1078438438) | [Anders Peter Amsnaes](https://appshunter.io/developer/452949522) |

## What reviewers say

### Reaction Tiime

[App page](https://appshunter.io/ios/app/reaction-tiime/id6756459206)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gravity Cave Run

[App page](https://appshunter.io/ios/app/gravity-cave-run/id6762034043)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $1.99 | one-time |


## Frequently asked questions

### Is Reaction Tiime free?

Reaction Tiime is free to download, with no in-app purchases.

### Is Gravity Cave Run free?

Gravity Cave Run is free to download, with in-app purchases available.

### Do Reaction Tiime or Gravity Cave Run have ads?

Neither Reaction Tiime nor Gravity Cave Run shows ads.

### Which is updated more often, Reaction Tiime or Gravity Cave Run?

Reaction Tiime ships an update every 2 months, and Gravity Cave Run daily. Most recently, Reaction Tiime was updated on October 1, 2026 and Gravity Cave Run on September 28, 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.*