# Gymzilla vs BTB Workout Log

The clearest difference is in-app purchases: Gymzilla at none against BTB Workout Log's 2. Gymzilla also leads on iOS requirement (11.0 vs 15.0). BTB Workout Log's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. BTB Workout Log sells 2 in-app purchases, starting at $1.99 per month. Gymzilla asks for nothing beyond the download.

Gymzilla ships an update every 3 months, BTB Workout Log every 4 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Gymzilla | BTB Workout Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 121 MB | 48 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Uplyft Innovations Private Limited](https://appshunter.io/developer/1485155244) | [Yoshitake Tani](https://appshunter.io/developer/1893963480) |

## What reviewers say

### Gymzilla

[App page](https://appshunter.io/ios/app/gymzilla-fitnotes/id1576309620)

**Features:** macOS Compatibility

**In-app purchases:** none


### BTB Workout Log

[App page](https://appshunter.io/ios/app/btb-workout-log-gym-tracker/id6762371418)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Gymzilla free?

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

### Is BTB Workout Log free?

BTB Workout Log is free to download, with in-app purchases available.

### Do Gymzilla or BTB Workout Log have ads?

Neither Gymzilla nor BTB Workout Log shows ads.

### Which is updated more often, Gymzilla or BTB Workout Log?

Gymzilla ships an update every 3 months, and BTB Workout Log every 4 days. Most recently, Gymzilla was updated on October 8, 2026 and BTB Workout Log on October 25, 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.*