# Calphace vs Chrona

The clearest difference is in-app purchases: Chrona at none against Calphace's 3. Chrona also leads on ads (none vs shown) and device support (4 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Calphace sells 3 one-off in-app purchases. Chrona asks for nothing beyond the download.

Calphace ships an update monthly, Chrona every 2 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Calphace | Chrona |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Size | 7 MB | 3 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Akihiro Usui](https://appshunter.io/developer/1387267485) | [Yevhenii Zozulia](https://appshunter.io/developer/1347865942) |

## What reviewers say

### Calphace

[App page](https://appshunter.io/ios/app/calphace/id1587107292)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snack-Sized Tip | $0.49 | one-time |
| Coffee-Sized Tip | $1.99 | one-time |
| Lunch-Sized Tip | $3.99 | one-time |


### Chrona

[App page](https://appshunter.io/ios/app/chrona/id6498233018)

**In-app purchases:** none


## Frequently asked questions

### Is Calphace free?

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

### Is Chrona free?

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

### Do Calphace or Chrona have ads?

Calphace shows ads; Chrona does not.

### Which is updated more often, Calphace or Chrona?

Calphace ships an update monthly, and Chrona every 2 months. Most recently, Calphace was updated on October 15, 2026 and Chrona on October 4, 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.*