# Simple Workout Tracker vs PanelPower BIG3

The clearest difference is ads: PanelPower BIG3 at none against Simple Workout Tracker's shown. PanelPower BIG3 also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Workout Tracker sells 2 in-app purchases, starting at $2.99 per month and PanelPower BIG3 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Simple Workout Tracker ships an update fortnightly, PanelPower BIG3 every 4 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Simple Workout Tracker | PanelPower BIG3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-workout-tracker-muscly/id6446846782/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 74 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DAIKI YUASA](https://appshunter.io/developer/1632691655) | [Koyo Harimoto](https://appshunter.io/developer/6785753790) |

## What reviewers say

### Simple Workout Tracker

[App page](https://appshunter.io/ios/app/simple-workout-tracker-muscly/id6446846782)

This strength training log helps gym enthusiasts and bodybuilders track workouts with ease. It offers automatic 1RM calculations, advanced set tracking for supersets and tri-sets, and detailed progress graphs to measure gains and crush fitness goals.

**Highlights:** Automatic 1RM calculation, Advanced set tracking (supersets, tri-sets), Comprehensive progress tracking, Color-coded workout calendar, In-depth analytics and graphs, Dark mode and rest timer

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MUSCLY PREMIUM | $2.99 | per month |
| Premium Plan | $24.99 | per year |


### PanelPower BIG3

[App page](https://appshunter.io/ios/app/panelpower-big3/id6785753788)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発応援・プロテイン | $0.99 | one-time |
| 開発応援・鶏むね肉 | $2.99 | one-time |
| 開発応援・リストラップ | $9.99 | one-time |
| 開発応援・クレアチン | $19.99 | one-time |


## Frequently asked questions

### Is Simple Workout Tracker free?

Simple Workout Tracker is free to download, with in-app purchases available.

### Is PanelPower BIG3 free?

PanelPower BIG3 is free to download, with in-app purchases available.

### Do Simple Workout Tracker or PanelPower BIG3 have ads?

Simple Workout Tracker shows ads; PanelPower BIG3 does not.

### Which is updated more often, Simple Workout Tracker or PanelPower BIG3?

Simple Workout Tracker ships an update fortnightly, and PanelPower BIG3 every 4 days. Most recently, Simple Workout Tracker was updated on October 23, 2026 and PanelPower BIG3 on October 24, 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.*