# Postcard Pigeon vs ColourTemp

The clearest difference is review sentiment: Postcard Pigeon at 100% against ColourTemp's 0%. Postcard Pigeon also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 2). ColourTemp's advantage is update cadence (weekly vs fortnightly) and ratings volume (4 vs 1). 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. Postcard Pigeon asks for nothing beyond the download.

Postcard Pigeon holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of Postcard Pigeon's written reviews are positive against 0% of ColourTemp's.

Postcard Pigeon ships an update fortnightly, ColourTemp weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Postcard Pigeon | ColourTemp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/postcard-pigeon/id6760590336/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/colourtemp/id6776435214/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 22 MB | 2 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Przemek Wajerowicz](https://appshunter.io/developer/1885200043) | [High Water Films Limited](https://appshunter.io/developer/6776435576) |

## What reviewers say

### Postcard Pigeon

[App page](https://appshunter.io/ios/app/postcard-pigeon/id6760590336)

Transform your photos into physical postcards to send to friends and family. Simply select an image, compose a message, enter an address, and complete a secure payment. Drafts and sent card archives are saved locally.

**Highlights:** Send photos as real postcards, Write custom messages, Secure payment processing, Save drafts, Local archive of sent cards, Ships to UK, Europe, and USA

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

**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 Postcard Pigeon free?

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

### Is ColourTemp free?

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

### Which has better reviews, Postcard Pigeon or ColourTemp?

Postcard Pigeon is rated higher. Postcard Pigeon averages 5.0 out of 5 from 1 ratings, while ColourTemp averages 3.0 from 4 ratings.

### Do Postcard Pigeon or ColourTemp have ads?

Neither Postcard Pigeon nor ColourTemp shows ads.

### Which is updated more often, Postcard Pigeon or ColourTemp?

Postcard Pigeon ships an update fortnightly, and ColourTemp weekly. Most recently, Postcard Pigeon was updated on October 24, 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.*