# Sports Performance Lab vs GainLogger

The clearest difference is in-app purchases: Sports Performance Lab at none against GainLogger's 2. Sports Performance Lab also leads on iOS requirement (13.0 vs 15.1). GainLogger's advantage is update cadence (every 5 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. GainLogger sells 2 in-app purchases, starting at $3.99 per month. Sports Performance Lab asks for nothing beyond the download.

Sports Performance Lab ships an update every 5 weeks, GainLogger every 5 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sports Performance Lab | GainLogger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gainlogger-workout-tracker/id6760951484/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 93 MB | 92 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [THERADYNAMICS REHAB MANAGEMENT LLC](https://appshunter.io/developer/1628197333) | [Vladislav Gesin](https://appshunter.io/developer/1886981509) |

## What reviewers say

### Sports Performance Lab

[App page](https://appshunter.io/ios/app/sports-performance-lab/id1628197331)

**Features:** macOS Compatibility

**In-app purchases:** none


### GainLogger

[App page](https://appshunter.io/ios/app/gainlogger-workout-tracker/id6760951484)

This app helps serious lifters track every set, rep, and personal record with fast, offline-first logging. It offers smart progression suggestions, Apple Watch integration, and detailed progress charts for strength training and bodybuilding.

**Highlights:** Fast set logging, Offline functionality, Apple Watch & Wear OS app, Progressive overload suggestions, Supersets & circuits, Exercise library with videos, Personal record detection

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GainLogger Pro | $3.99 | per month |
| GainLogger Pro | $34.99 | per year |


## Frequently asked questions

### Is Sports Performance Lab free?

Sports Performance Lab is free to download, with no in-app purchases.

### Is GainLogger free?

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

### Do Sports Performance Lab or GainLogger have ads?

Neither Sports Performance Lab nor GainLogger shows ads.

### Which is updated more often, Sports Performance Lab or GainLogger?

Sports Performance Lab ships an update every 5 weeks, and GainLogger every 5 days. Most recently, Sports Performance Lab was updated on October 5, 2026 and GainLogger on October 11, 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.*