TempVerter DB vs AR Earth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TempVerter DB
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.
- 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
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TempVerter DB is a temperature converter that also features a huge scientific temperature database. TempVerter DB converts temperatures to Fahrenheit, Celsius, and Kelvin on the fly as you type. The extensive built-in reference database contains over 220 important temperatures in the fields of astronomy, biology, chemistry, health, Earth science, climate change, physics, materials science, and more. Features: • Instantly converts temperatures to and from Celsius, Fahrenheit, and Kelvin on the fly as you enter them. • Reference database contains 225 important temperatures in the fields of astronomy, biology, health, Earth science, climate change, physics, materials science, cooking & food safety, and more. • Each database entry is given in Celsius, Fahrenheit, and Kelvin. • Copy button copies temperature values to the pasteboard for pasting into other app(s).
AR Earth
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.
- Augmented reality landmark identification
- Offline database of places
- Detailed place information
- Integrated Wikipedia articles
- Bookmark favorite locations
- Offline functionality
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Want to know what the name of that mountain peak or the elevation? It's easy with the AR Earth app. Simply select "Peaks" then "AR View" and aim your camera at it. Earth AR has hundreds of thousands of places resident in its database so you can use it offline pretty much anywhere in the world. Included with the app is a resident database of Wikipedia articles. AR Earth Features Place selector buttons enable you to quickly display nearby places. Each place has a details page with maps, directions and Wikipedia article text for certain places. Ability to bookmark a place of interest. To bookmark a place simply touch the + sign displayed in the upper right corner of the place details page. Favorites enable you to quickly access bookmarked places. To remove a bookmark swipe left on the item in the bookmark list. Place data is from the early January 2017 database releases of Open Street Maps and Wikipedia. AR Earth has over 700,000 earth place points and 75,000 Wikipedia article texts resident in the app. And, because the places are resident, the app has considerable functionality while off-line.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | TempVerter DB | AR Earth |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.8 (17 ratings) — better | 4.0 (5 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 17 — better | 5 |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 24 MB | 350 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Stebel | Al GROSS |
Customer experience
TempVerter DB
AR Earth
In-app purchases
TempVerter DB
No in-app purchases
AR Earth
No in-app purchases


