# SkyGain vs GrindLog

The clearest difference is in-app purchases: SkyGain at none against GrindLog's 4. SkyGain also leads on ads (none vs shown). GrindLog's advantage is update cadence (weekly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GrindLog sells 4 in-app purchases, starting at $1.99 per 7 days. SkyGain asks for nothing beyond the download.

SkyGain ships an update every 2 months, GrindLog weekly. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SkyGain | GrindLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 42 MB | 80 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Dzmitry Rybak](https://appshunter.io/developer/1754833234) | [EGE CAN BILIR](https://appshunter.io/developer/1886924604) |

## What reviewers say

### SkyGain

[App page](https://appshunter.io/ios/app/skygain-workout-tracker/id6758269954)

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

**In-app purchases:** none


### GrindLog

[App page](https://appshunter.io/ios/app/grindlog-workout-tracker/id6760936151)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrindLog Pro - Weekly | $1.99 | per 7 days |
| GrindLog Pro - Monthly | $3.99 | per month |
| GrindLog Pro - Yearly | $24.99 | per year |
| GrindLog Pro - Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is SkyGain free?

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

### Is GrindLog free?

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

### Do SkyGain or GrindLog have ads?

GrindLog shows ads; SkyGain does not.

### Which is updated more often, SkyGain or GrindLog?

SkyGain ships an update every 2 months, and GrindLog weekly. Most recently, SkyGain was updated on September 19, 2026 and GrindLog on September 14, 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.*