# The Gains Lab vs Primal Mobility

The clearest difference is rating: The Gains Lab at 5.0 against Primal Mobility's 3.7. The Gains Lab also leads on review sentiment (100% vs 67%). Primal Mobility's advantage is in-app purchases (none vs 11) and iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. The Gains Lab sells 11 in-app purchases, starting at $24.99 per month. Primal Mobility asks for nothing beyond the download.

The Gains Lab holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 100% of The Gains Lab's written reviews are positive against 67% of Primal Mobility's.

The Gains Lab ships an update every 2 months, Primal Mobility monthly. The most recent releases landed on September 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | The Gains Lab | Primal Mobility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-gains-lab/id6502285733/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/primal-mobility/id6753937455/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 403 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Gains Lab LLC](https://appshunter.io/developer/1744900211) | [Primal Mobility Inc.](https://appshunter.io/developer/1560007471) |

## What reviewers say

### The Gains Lab

[App page](https://appshunter.io/ios/app/the-gains-lab/id6502285733)

This fitness app offers personalized, data-driven workouts designed to improve endurance, power, and speed. It tracks key metrics, adapts training as you progress, and helps you achieve your athletic goals. Access a free trial and a library of research-backed articles.

**Highlights:** Personalized workout plans, Adaptive training based on metrics, Performance tracking (endurance, speed), Goal-oriented training, Free trial and content library, Progressive overload

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Need for Speed | $24.99 | per month |
| Engine Classic (3 Days) | $24.99 | per month |
| Engine Classic | $29.99 | per month |
| Pure VO2 | $29.99 | per month |
| VO2 Plus 2 | $29.99 | per month |
| Engine Classic (3 Days) | $59.99 | per 3 months |
| Pure VO2 | $74.99 | per 3 months |
| Engine Classic | $74.99 | per 3 months |
| VO2 Plus 2 | $74.99 | per 3 months |
| Engine Classic (3 Days) | $199.99 | per year |
| Engine Classic | $239.99 | per year |


### Primal Mobility

[App page](https://appshunter.io/ios/app/primal-mobility/id6753937455)

This app offers strength-based mobility training designed for barbell athletes. Build deeper, pain-free range of motion in just 15 minutes a day with structured programs that blend mobility and strength.

**Highlights:** Strength-based mobility training, Designed for barbell athletes, Progressive overload for mobility, 15-20 minute sessions, Minimal equipment required, Offline session access, Health app integration

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

**In-app purchases:** none


## Frequently asked questions

### Is The Gains Lab free?

The Gains Lab is free to download, with in-app purchases available.

### Is Primal Mobility free?

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

### Which has better reviews, The Gains Lab or Primal Mobility?

The Gains Lab is rated higher. The Gains Lab averages 5.0 out of 5 from 2 ratings, while Primal Mobility averages 3.7 from 3 ratings.

### Do The Gains Lab or Primal Mobility have ads?

Neither The Gains Lab nor Primal Mobility shows ads.

### Which is updated more often, The Gains Lab or Primal Mobility?

The Gains Lab ships an update every 2 months, and Primal Mobility monthly. Most recently, The Gains Lab was updated on September 1, 2026 and Primal Mobility 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.*