# Union Protocol vs CAR.SPACE

The clearest difference is update cadence: CAR.SPACE at every 3 weeks against Union Protocol's every 6 weeks. Union Protocol's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Union Protocol ships an update every 6 weeks, CAR.SPACE every 3 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Union Protocol | CAR.SPACE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/union-protocol-couple-tracker/id6776146648/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 121 MB | 98 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Accord Studios Ltd.](https://appshunter.io/developer/6776146650) | [Vladlen Vorobev](https://appshunter.io/developer/6782783137) |

## 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


### CAR.SPACE

[App page](https://appshunter.io/ios/app/carspace/id6782782789)

**In-app purchases:** none


## Frequently asked questions

### Is Union Protocol free?

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

### Is CAR.SPACE free?

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

### Do Union Protocol or CAR.SPACE have ads?

Neither Union Protocol nor CAR.SPACE shows ads.

### Which is updated more often, Union Protocol or CAR.SPACE?

Union Protocol ships an update every 6 weeks, and CAR.SPACE every 3 weeks. Most recently, Union Protocol was updated on October 31, 2026 and CAR.SPACE 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.*