# ChromaCal vs DayLog

The clearest difference is iOS requirement: DayLog at 16.4 against ChromaCal's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ChromaCal sells 1 one-off in-app purchase and DayLog sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ChromaCal ships an update every 6 days, DayLog every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | ChromaCal | DayLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Size | 2 MB | 70 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vibe2Viable LLC](https://appshunter.io/developer/1881705958) | [JIN TANDA](https://appshunter.io/developer/1865935191) |

## What reviewers say

### ChromaCal

[App page](https://appshunter.io/ios/app/chromacal/id6759931221)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChromaCal Pro | $9.99 | one-time |


### DayLog

[App page](https://appshunter.io/ios/app/daylog-one-tap-time-tracker/id6777721684)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DayLog Pro (Monthly) | $4.99 | per month |
| DayLog Pro (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is ChromaCal free?

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

### Is DayLog free?

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

### Do ChromaCal or DayLog have ads?

Neither ChromaCal nor DayLog shows ads.

### Which is updated more often, ChromaCal or DayLog?

ChromaCal ships an update every 6 days, and DayLog every 3 days. Most recently, ChromaCal was updated on November 5, 2026 and DayLog on November 5, 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.*