# Uesaka BLE vs Calphace

The clearest difference is in-app purchases: Uesaka BLE at none against Calphace's 3. Uesaka BLE also leads on ads (none vs shown) and device support (3 vs 1). Calphace's advantage is update cadence (monthly vs every 3 months). On price there is nothing between them.

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

Uesaka BLE ships an update every 3 months, Calphace monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Uesaka BLE | Calphace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Size | 47 MB | 7 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tzu An Wen](https://appshunter.io/developer/1196209054) | [Akihiro Usui](https://appshunter.io/developer/1387267485) |

## What reviewers say

### Uesaka BLE

[App page](https://appshunter.io/ios/app/uesaka-ble/id1555682639)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Uesaka BLE free?

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

### Is Calphace free?

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

### Do Uesaka BLE or Calphace have ads?

Calphace shows ads; Uesaka BLE does not.

### Which is updated more often, Uesaka BLE or Calphace?

Uesaka BLE ships an update every 3 months, and Calphace monthly. Most recently, Uesaka BLE was updated on October 25, 2026 and Calphace on October 27, 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.*