# UnitPro vs Ambient Time

The clearest difference is device support: Ambient Time at 5 against UnitPro's 2. UnitPro's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

UnitPro ships an update every 3 weeks, Ambient Time every 11 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | UnitPro | Ambient Time |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 1 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [晓 郭](https://appshunter.io/developer/1895645928) | [LanguageCraft](https://appshunter.io/developer/1029635130) |

## What reviewers say

### UnitPro

[App page](https://appshunter.io/ios/app/unitpro-all-converter/id6771362180)

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

**In-app purchases:** none


### Ambient Time

[App page](https://appshunter.io/ios/app/ambient-time/id6778627510)

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

**In-app purchases:** none


## Frequently asked questions

### Is UnitPro free?

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

### Is Ambient Time free?

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

### Do UnitPro or Ambient Time have ads?

Neither UnitPro nor Ambient Time shows ads.

### Which is updated more often, UnitPro or Ambient Time?

UnitPro ships an update every 3 weeks, and Ambient Time every 11 days. Most recently, UnitPro was updated on November 5, 2026 and Ambient Time on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*