# JustGains vs Proof

The clearest difference is in-app purchases: Proof at none against JustGains's 4. Proof also leads on update cadence (every 2 days vs every 5 days) and device support (4 vs 2). JustGains's advantage is ratings volume (28 vs 4). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. JustGains sells 4 in-app purchases, starting at $9.99 per month. Proof asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for JustGains against 5.0 for Proof. That said, the two scores are not equally well evidenced: JustGains has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

JustGains ships an update every 5 days, Proof every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | JustGains | Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (28 ratings)](https://appshunter.io/ios/app/justgains/id6761445515/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827/reviews)** |
| Number of ratings | **28** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 222 MB | 31 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [James Greene](https://appshunter.io/developer/1889706928) | [Serafin Vazquez](https://appshunter.io/developer/6777613189) |

## What reviewers say

### JustGains

[App page](https://appshunter.io/ios/app/justgains/id6761445515)

Transform workout ideas into structured training plans. Organize exercises, save routines, and share custom programs with friends or clients. Track progress and refine your fitness journey with this practical tool.

**Highlights:** Create structured workout routines, Save and reuse training templates, Clone and customize shared programs, Share workouts with others, Organize exercises, sets, reps, and notes, Track workout progress

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JustGains Pro Monthly | $9.99 | per month |
| JustGains Pro Monthly | $9.99 | per month |
| JustGains Pro Yearly | $79.99 | per year |
| JustGains Pro Yearly | $79.99 | per year |


### Proof

[App page](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827)

This app helps you meticulously log your weightlifting sets and track your progress. It automatically detects personal records and provides insights into your training patterns without offering coaching or social features.

**Highlights:** Log sets in two taps, Full history for every lift, Automatic personal record detection, Muscle training body map, Training pattern insights, Rest timer with Dynamic Island/Lock Screen support

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

**In-app purchases:** none


## Frequently asked questions

### Is JustGains free?

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

### Is Proof free?

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

### Which has better reviews, JustGains or Proof?

Proof is rated higher. JustGains averages 4.9 out of 5 from 28 ratings, while Proof averages 5.0 from 4 ratings.

### Do JustGains or Proof have ads?

Neither JustGains nor Proof shows ads.

### Which is updated more often, JustGains or Proof?

JustGains ships an update every 5 days, and Proof every 2 days. Most recently, JustGains was updated on November 5, 2026 and Proof on November 5, 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.*