# App Icon Generator vs Thermals

The clearest difference is price: Thermals at Free against App Icon Generator's $2.99. Thermals also leads on review sentiment (83% vs 42%) and rating (4.5 vs 4.0). On update cadence, ads, in-app purchases and chart position there is nothing between them.

Thermals is free to download; App Icon Generator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thermals holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Thermals has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of App Icon Generator's written reviews are positive against 83% of Thermals's.

App Icon Generator ships an update every 7 months, Thermals every 3 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | App Icon Generator | Thermals |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/app-icon-generator/id1253599389/reviews) | **[4.5 (30 ratings)](https://appshunter.io/ios/app/thermals/id1567050762/reviews)** |
| Number of ratings | 1 | **30** |
| Positive reviews | 41.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Best chart rank | #181 | **#162** |
| Size | 3 MB | 3 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Coomer](https://appshunter.io/developer/1006451481) | [George Garside](https://appshunter.io/developer/815604170) |

## What reviewers say

### App Icon Generator

[App page](https://appshunter.io/ios/app/app-icon-generator/id1253599389)

**Currently charting:** #181 Top Paid · Developer Tools (US App Store)

Easily create app icons for various Apple platforms including iOS, watchOS, and macOS. Select an image, choose target devices, and export as individual files or an Xcode-ready asset set. The app ensures icons meet current size and resolution requirements.

**Highlights:** Generate icons for iOS, watchOS, iMessage, and macOS, Import images from Photo Library or Files, Select target devices for export, Export as individual PNG files, Export as Xcode App Icon Set, Automatic conversion to PNG, Supports current size and resolution requirements

**In-app purchases:** none


### Thermals

[App page](https://appshunter.io/ios/app/thermals/id1567050762)

**Currently charting:** #162 Top Free · Developer Tools (US App Store)

Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.

**Highlights:** Displays device thermal state, Shows active processor count, Monitors device uptime, Troubleshoots performance issues, Helps diagnose slow charging, Identifies brightness limitations, Exports raw data for analysis

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is App Icon Generator free?

App Icon Generator costs $2.99, with no in-app purchases.

### Is Thermals free?

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

### Which has better reviews, App Icon Generator or Thermals?

Thermals is rated higher. App Icon Generator averages 4.0 out of 5 from 1 ratings, while Thermals averages 4.5 from 30 ratings.

### Do App Icon Generator or Thermals have ads?

Neither App Icon Generator nor Thermals shows ads.

### Which is updated more often, App Icon Generator or Thermals?

App Icon Generator ships an update every 7 months, and Thermals every 3 months. Most recently, App Icon Generator was updated on November 11, 2026 and Thermals on November 11, 2026.

### Which is more popular, App Icon Generator or Thermals?

App Icon Generator currently peaks at #181 in the App Store charts, and Thermals at #162. Chart position reflects recent download velocity rather than total install base.

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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.*