# Union Protocol vs Proof

The clearest difference is in-app purchases: Union Protocol at none against Proof's 2. Union Protocol also leads on ratings volume (6 vs 1). Proof's advantage is update cadence (weekly vs every 6 weeks). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Proof sells 2 in-app purchases, starting at $9.99 per month. Union Protocol asks for nothing beyond the download.

Proof holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Union Protocol has 6 ratings behind it against 1, so its average is the more settled of the two.

Union Protocol ships an update every 6 weeks, Proof weekly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Union Protocol | Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/union-protocol-couple-tracker/id6776146648/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proof-habit-tracker/id6797393699/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 121 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Accord Studios Ltd.](https://appshunter.io/developer/6776146650) | [Floyd Hodges](https://appshunter.io/developer/6797393701) |

## What reviewers say

### Union Protocol

[App page](https://appshunter.io/ios/app/union-protocol-couple-tracker/id6776146648)

Enhance your relationship with shared routines, tasks, and rewards. This app fosters connection and playfulness through daily check-ins, goal setting, and private notes, creating a more intentional rhythm for couples.

**Highlights:** Create shared routines and assign tasks, Track progress and collect points, Unlock custom rewards together, Daily check-ins and partner updates, Private notes and mood tracking, Shared goals and reminders

**In-app purchases:** none


### Proof

[App page](https://appshunter.io/ios/app/proof-habit-tracker/id6797393699)

This app helps you build discipline by requiring photographic proof of habit completion. It prevents you from falsely marking habits as done, fostering genuine consistency. Earn rewards and share progress with friends.

**Highlights:** Requires photo proof for habit completion, Builds real, verifiable streaks, Share progress with friends, Earn XP and badges, Unlimited custom habits with Pro

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proof Pro Monthly | $9.99 | per month |
| Proof Annual | $69.99 | per year |


## Frequently asked questions

### Is Union Protocol free?

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

### Is Proof free?

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

### Which has better reviews, Union Protocol or Proof?

Proof is rated higher. Union Protocol averages 4.8 out of 5 from 6 ratings, while Proof averages 5.0 from 1 ratings.

### Do Union Protocol or Proof have ads?

Neither Union Protocol nor Proof shows ads.

### Which is updated more often, Union Protocol or Proof?

Union Protocol ships an update every 6 weeks, and Proof weekly. Most recently, Union Protocol was updated on October 24, 2026 and Proof on October 29, 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.*