# Lumenary vs ColourTemp

The clearest difference is in-app purchases: Lumenary at none against ColourTemp's 2. Lumenary also leads on update cadence (every 3 days vs weekly) and iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ColourTemp sells 2 in-app purchases, starting at $9.99 per year. Lumenary asks for nothing beyond the download.

Lumenary ships an update every 3 days, ColourTemp weekly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lumenary | ColourTemp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/colourtemp/id6776435214/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Subscription |
| Size | 1 MB | 2 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Electric Eye AB](https://appshunter.io/developer/1799563919) | [High Water Films Limited](https://appshunter.io/developer/6776435576) |

## What reviewers say

### Lumenary

[App page](https://appshunter.io/ios/app/lumenary/id6751862374)

**Features:** macOS Compatibility

**In-app purchases:** none


### ColourTemp

[App page](https://appshunter.io/ios/app/colourtemp/id6776435214)

This tool measures light sources in Kelvin and detects mains-frequency flicker, helping videographers ensure consistent color temperature and avoid post-production issues. It also calculates banding risk and allows for freezing readings to compare fixtures.

**Highlights:** Color temperature measurement (2500K-9900K), Mains frequency flicker detection (50Hz/60Hz), PWM dimming detection, Banding risk calculator, Freeze and compare readings, Device calibration for consistency

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ColourTemp Annual | $9.99 | per year |
| Lifetime access | $19.99 | one-time |


## Frequently asked questions

### Is Lumenary free?

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

### Is ColourTemp free?

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

### Do Lumenary or ColourTemp have ads?

Neither Lumenary nor ColourTemp shows ads.

### Which is updated more often, Lumenary or ColourTemp?

Lumenary ships an update every 3 days, and ColourTemp weekly. Most recently, Lumenary was updated on October 10, 2026 and ColourTemp 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.*