# Meraki Diary vs ColorMetric

The clearest difference is update cadence: ColorMetric at weekly against Meraki Diary's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Meraki Diary sells 1 one-off in-app purchase and ColorMetric sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Meraki Diary ships an update every 6 months, ColorMetric weekly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Meraki Diary | ColorMetric |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Size | 187 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [晨波 张](https://appshunter.io/developer/1791111951) | [Lance Zukel](https://appshunter.io/developer/1874053672) |

## What reviewers say

### Meraki Diary

[App page](https://appshunter.io/ios/app/meraki-diary/id6743073556)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Meraki PRO | $2.99 | one-time |


### ColorMetric

[App page](https://appshunter.io/ios/app/colormetric/id6758633408)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ColorMetric Annual Ad Free | $9.99 | per year |


## Frequently asked questions

### Is Meraki Diary free?

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

### Is ColorMetric free?

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

### Do Meraki Diary or ColorMetric have ads?

Neither Meraki Diary nor ColorMetric shows ads.

### Which is updated more often, Meraki Diary or ColorMetric?

Meraki Diary ships an update every 6 months, and ColorMetric weekly. Most recently, Meraki Diary was updated on October 24, 2026 and ColorMetric on October 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.*