# TempVerter DB vs AR Earth

The clearest difference is price: TempVerter DB at Free against AR Earth's $1.99. TempVerter DB also leads on rating (4.8 vs 4.0) and ratings volume (17 vs 5). On update cadence, ads, in-app purchases and device support there is nothing between them.

TempVerter DB is free to download; AR Earth costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TempVerter DB holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 17 and 5 respectively.

TempVerter DB ships an update every 6 weeks, AR Earth every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | TempVerter DB | AR Earth |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/tempverter-db/id1028872481/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/ar-earth/id1199779456/reviews) |
| Number of ratings | **17** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Size | 24 MB | 350 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Stebel](https://appshunter.io/developer/1027443988) | [Al GROSS](https://appshunter.io/developer/986125943) |

## What reviewers say

### TempVerter DB

[App page](https://appshunter.io/ios/app/tempverter-db/id1028872481)

This app instantly converts temperatures between Celsius, Fahrenheit, and Kelvin as you type. It also includes a vast scientific database with over 225 important temperature references across various fields.

**Highlights:** Instant temperature conversion (C, F, K), Extensive scientific temperature database, 225+ reference temperatures, Covers astronomy, biology, chemistry, physics, and more, Temperatures provided in C, F, and K, Copy temperature values to clipboard

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

**In-app purchases:** none


### AR Earth

[App page](https://appshunter.io/ios/app/ar-earth/id1199779456)

Identify mountains and other landmarks using your device's camera. Access detailed information, including elevation and Wikipedia articles, for hundreds of thousands of locations worldwide, even offline. Save your favorite places for quick access.

**Highlights:** Augmented reality landmark identification, Offline database of places, Detailed place information, Integrated Wikipedia articles, Bookmark favorite locations, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TempVerter DB free?

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

### Is AR Earth free?

AR Earth costs $1.99, with no in-app purchases.

### Which has better reviews, TempVerter DB or AR Earth?

TempVerter DB is rated higher. TempVerter DB averages 4.8 out of 5 from 17 ratings, while AR Earth averages 4.0 from 5 ratings.

### Do TempVerter DB or AR Earth have ads?

Neither TempVerter DB nor AR Earth shows ads.

### Which is updated more often, TempVerter DB or AR Earth?

TempVerter DB ships an update every 6 weeks, and AR Earth every 5 weeks. Most recently, TempVerter DB was updated on October 24, 2026 and AR Earth on October 24, 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.*