# Rocksy vs CrushLog

The clearest difference is in-app purchases: Rocksy at none against CrushLog's 1. Rocksy also leads on update cadence (every 3 weeks vs every 3 months). CrushLog's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price and ads there is nothing between them.

Both are free to download. CrushLog sells 1 one-off in-app purchase. Rocksy asks for nothing beyond the download.

Rocksy ships an update every 3 weeks, CrushLog every 3 months. The most recent releases landed on March 3, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Rocksy | CrushLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 2 MB | 56 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jakub Kulhavy](https://appshunter.io/developer/1707917117) | [SaaSForge s.r.o.](https://appshunter.io/developer/1802871863) |

## What reviewers say

### Rocksy

[App page](https://appshunter.io/ios/app/rocksy/id6467138228)

**In-app purchases:** none


### CrushLog

[App page](https://appshunter.io/ios/app/crushlog/id6743440929)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $14.99 | one-time |


## Frequently asked questions

### Is Rocksy free?

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

### Is CrushLog free?

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

### Do Rocksy or CrushLog have ads?

Neither Rocksy nor CrushLog shows ads.

### Which is updated more often, Rocksy or CrushLog?

Rocksy ships an update every 3 weeks, and CrushLog every 3 months. Most recently, Rocksy was updated on March 3, 2026 and CrushLog on September 16, 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.*