# SkyGain vs JustBB Strength Training Log

The clearest difference is update cadence: JustBB Strength Training Log at weekly against SkyGain's every 2 months. SkyGain's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SkyGain ships an update every 2 months, JustBB Strength Training Log weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SkyGain | JustBB Strength Training Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 42 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Dzmitry Rybak](https://appshunter.io/developer/1754833234) | [Andrew Olefira](https://appshunter.io/developer/6772345666) |

## 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


### JustBB Strength Training Log

[App page](https://appshunter.io/ios/app/justbb-strength-training-log/id6772345664)

**In-app purchases:** none


## Frequently asked questions

### Is SkyGain free?

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

### Is JustBB Strength Training Log free?

JustBB Strength Training Log is free to download, with no in-app purchases.

### Do SkyGain or JustBB Strength Training Log have ads?

Neither SkyGain nor JustBB Strength Training Log shows ads.

### Which is updated more often, SkyGain or JustBB Strength Training Log?

SkyGain ships an update every 2 months, and JustBB Strength Training Log weekly. Most recently, SkyGain was updated on October 7, 2026 and JustBB Strength Training Log on October 9, 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.*