# uHoo Business vs RSTR

The clearest difference is in-app purchases: uHoo Business at none against RSTR's 1. uHoo Business also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RSTR sells 1 one-off in-app purchase. uHoo Business asks for nothing beyond the download.

uHoo Business ships an update every 3 weeks, RSTR every 2 weeks. The most recent releases landed on October 8, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | uHoo Business | RSTR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/uhoo-business/id1228009134/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 231 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [uHoo Limited](https://appshunter.io/developer/1034660889) | [Mohammad Almansoori](https://appshunter.io/developer/6810450644) |

## What reviewers say

### uHoo Business

[App page](https://appshunter.io/ios/app/uhoo-business/id1228009134)

Monitor and optimize indoor environmental quality for businesses. Track real-time data on air quality, temperature, humidity, and more to enhance health, productivity, and sustainability. Gain insights through comprehensive analytics and manage multiple locations from a user-friendly interface.

**Highlights:** Real-time indoor environmental quality monitoring, Comprehensive analytics and trend visualization, User-friendly interface for easy data interpretation, Monitor multiple locations simultaneously, Enhance employee health and productivity, Supports WELL, LEED, and smart building certifications

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

**In-app purchases:** none


### RSTR

[App page](https://appshunter.io/ios/app/rstr-set-rest-timer/id6817803328)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RSTR Pro | $0.99 | one-time |


## Frequently asked questions

### Is uHoo Business free?

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

### Is RSTR free?

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

### Do uHoo Business or RSTR have ads?

Neither uHoo Business nor RSTR shows ads.

### Which is updated more often, uHoo Business or RSTR?

uHoo Business ships an update every 3 weeks, and RSTR every 2 weeks. Most recently, uHoo Business was updated on October 8, 2026 and RSTR 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.*