# MoonStep vs Proof

The clearest difference is in-app purchases: Proof at none against MoonStep's 2. Proof also leads on device support (4 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

MoonStep ships an update daily, Proof every 2 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | MoonStep | Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 32 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Weissig](https://appshunter.io/developer/1751213940) | [Serafin Vazquez](https://appshunter.io/developer/6777613189) |

## What reviewers say

### MoonStep

[App page](https://appshunter.io/ios/app/moonstep-step-counter/id6759539278)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Lifetime | $4.99 | one-time |


### 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 identifies personal records and provides insights into your training patterns and muscle engagement without any subscriptions or ads.

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

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

**In-app purchases:** none


## Frequently asked questions

### Is MoonStep free?

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

### Is Proof free?

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

### Do MoonStep or Proof have ads?

Neither MoonStep nor Proof shows ads.

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

MoonStep ships an update daily, and Proof every 2 days. Most recently, MoonStep was updated on November 5, 2026 and Proof on November 10, 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.*