# Thermals vs Developer Colour Palette

The clearest difference is review sentiment: Thermals at 83% against Developer Colour Palette's 0%. Thermals also leads on price (Free vs $0.49) and rating (4.5 vs 1.0). Developer Colour Palette's advantage is update cadence (monthly vs every 3 months) and iOS requirement (15.0 vs 18.6). On ads, chart position and device support there is nothing between them.

Thermals is free to download; Developer Colour Palette costs $0.49 up front. Developer Colour Palette sells 1 in-app purchase, starting at $2.99 per month. Thermals asks for nothing beyond the download.

Thermals holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Thermals has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of Thermals's written reviews are positive against 0% of Developer Colour Palette's.

Thermals ships an update every 3 months, Developer Colour Palette monthly. Both last shipped on September 22, 2026.

## The numbers

| Metric | Thermals | Developer Colour Palette |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.5 (28 ratings)](https://appshunter.io/ios/app/thermals/id1567050762/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/developer-colour-palette/id6447426581/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Subscription |
| Best chart rank | #190 | **#130** |
| Size | 3 MB | 10 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [George Garside](https://appshunter.io/developer/815604170) | [Thomas Coomer](https://appshunter.io/developer/1006451481) |

## What reviewers say

### Thermals

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

**Currently charting:** #190 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


### Developer Colour Palette

[App page](https://appshunter.io/ios/app/developer-colour-palette/id6447426581)

**Currently charting:** #130 Top Paid · Developer Tools (US App Store)

Easily select, convert, and organize colors for your projects. Generate palettes from images or AI prompts, and share them with your team. Syncs across Apple devices.

**Highlights:** Color picker and value conversion (HEX, RGB, Swift), Organize colors into palettes, Cloud sync across Apple devices, Share palettes with team members, Import images to extract colors, AI-powered palette generation, AI color detection from objects

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Palettes | $2.99 | per month |


## Frequently asked questions

### Is Thermals free?

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

### Is Developer Colour Palette free?

Developer Colour Palette costs $0.49, and also offers in-app purchases.

### Which has better reviews, Thermals or Developer Colour Palette?

Thermals is rated higher. Thermals averages 4.5 out of 5 from 28 ratings, while Developer Colour Palette averages 1.0 from 2 ratings.

### Do Thermals or Developer Colour Palette have ads?

Neither Thermals nor Developer Colour Palette shows ads.

### Which is updated more often, Thermals or Developer Colour Palette?

Thermals ships an update every 3 months, and Developer Colour Palette monthly. Most recently, Thermals was updated on September 22, 2026 and Developer Colour Palette on September 22, 2026.

### Which is more popular, Thermals or Developer Colour Palette?

Thermals currently peaks at #190 in the App Store charts, and Developer Colour Palette at #130. 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.*