# Temtop vs Ora

The clearest difference is review sentiment: Ora at 84% against Temtop's 32%. Ora also leads on rating (4.9 vs 2.9) and device support (5 vs 2). Temtop's advantage is in-app purchases (none vs 3) and iOS requirement (15 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Ora sells 3 one-off in-app purchases. Temtop asks for nothing beyond the download.

Ora holds the better App Store score, 4.9 against 2.9. Both are backed by a comparable volume of ratings — 80 and 68 respectively. Written reviews point the same way: 32% of Temtop's written reviews are positive against 84% of Ora's.

Temtop ships an update every 5 weeks, Ora every 2 months. The most recent releases landed on August 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Temtop | Ora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (80 ratings)](https://appshunter.io/ios/app/temtop/id1439409326/reviews) | **[4.9 (68 ratings)](https://appshunter.io/ios/app/ora-world-clock/id6502857758/reviews)** |
| Number of ratings | **80** | 68 |
| Positive reviews | 32.2% of reviews | **84.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 183 MB | 8 MB |
| Requires iOS | **15** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Elitech Technology,Inc.](https://appshunter.io/developer/1455057713) | [Dan Eden](https://appshunter.io/developer/508167369) |

## What reviewers say

### Temtop

[App page](https://appshunter.io/ios/app/temtop/id1439409326)

This app detects formaldehyde, PM2.5, and TVOC using advanced sensors. It provides accurate and reliable environmental data for your home or workspace.

**Highlights:** Formaldehyde detection, PM2.5 detection, TVOC detection, British Dart electrochemical sensor, US TEMTOP laser particle sensor, Accurate and reliable data

**Features:** Vision Pro support

**In-app purchases:** none


### Ora

[App page](https://appshunter.io/ios/app/ora-world-clock/id6502857758)

Visualize global times on an interactive globe. This app allows you to see the current time in various locations worldwide and even travel through time to check past or future times. It's ideal for professionals working across time zones or anyone tracking international events.

**Highlights:** Interactive 3D globe display, View time in multiple global locations, Time travel feature to see past/future times, Useful for cross-time zone work, Track international events

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $1.99 | one-time |
| Medium tip | $5.99 | one-time |
| Large tip | $12.99 | one-time |


## Frequently asked questions

### Is Temtop free?

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

### Is Ora free?

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

### Which has better reviews, Temtop or Ora?

Ora is rated higher. Temtop averages 2.9 out of 5 from 80 ratings, while Ora averages 4.9 from 68 ratings.

### Do Temtop or Ora have ads?

Neither Temtop nor Ora shows ads.

### Which is updated more often, Temtop or Ora?

Temtop ships an update every 5 weeks, and Ora every 2 months. Most recently, Temtop was updated on August 16, 2026 and Ora on September 18, 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.*