# Map Thermometer vs Unit Eater

The clearest difference is review sentiment: Unit Eater at 100% against Map Thermometer's 0%. Unit Eater also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). Map Thermometer's advantage is in-app purchases (none vs 2) and iOS requirement (6.0 vs 12.0). On price there is nothing between them.

Both are free to download. Unit Eater sells 2 in-app purchases, starting at $0.99 per month. Map Thermometer asks for nothing beyond the download.

Map Thermometer ships an update every 4 months, Unit Eater every 2 weeks. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Map Thermometer | Unit Eater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/map-thermometer/id545183236/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 65 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Tom Leon Schmidt](https://appshunter.io/developer/1634212175) |

## What reviewers say

### Map Thermometer

[App page](https://appshunter.io/ios/app/map-thermometer/id545183236)

This utility app displays temperature readings in both Fahrenheit and Celsius. It utilizes map data to provide localized temperature information.

**Highlights:** Fahrenheit temperature display, Celsius temperature display, Map-based temperature readings, Localized temperature information

**In-app purchases:** none


### Unit Eater

[App page](https://appshunter.io/ios/app/unit-eater/id6742549723)

This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.

**Highlights:** Unit conversion and calculation, Custom unit definition, Extensive unit library, Calculation history, Customizable result format, Dark mode

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $0.99 | per month |
| Premium - Pay once | $3.99 | one-time |


## Frequently asked questions

### Is Map Thermometer free?

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

### Is Unit Eater free?

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

### Do Map Thermometer or Unit Eater have ads?

Map Thermometer shows ads; Unit Eater does not.

### Which is updated more often, Map Thermometer or Unit Eater?

Map Thermometer ships an update every 4 months, and Unit Eater every 2 weeks. Most recently, Map Thermometer was updated on September 15, 2026 and Unit Eater on September 11, 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.*