# Aikankan vs CALC by Webb Labs

The clearest difference is ads: Aikankan at none against CALC by Webb Labs's shown. Aikankan also leads on iOS requirement (12.0 vs 15.5). CALC by Webb Labs's advantage is update cadence (every 2 days vs every 5 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Aikankan ships an update every 5 weeks, CALC by Webb Labs every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Aikankan | CALC by Webb Labs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (34 ratings)](https://appshunter.io/ios/app/aikankan/id6444503630/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 18 MB | 179 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen URION Technology Co.,Ltd.](https://appshunter.io/developer/730256556) | [Webb Labs Ltd.](https://appshunter.io/developer/1888390157) |

## What reviewers say

### Aikankan

[App page](https://appshunter.io/ios/app/aikankan/id6444503630)

This utility app connects to sphygmomanometer hardware via Bluetooth to record and display blood pressure measurements. It offers convenient control over the connected device and presents results based on industry standards for user reference.

**Highlights:** Bluetooth sphygmomanometer connection, Start measurements within the app, Display measurement results, Turn off hardware via app, Record and inquire data

**In-app purchases:** none


### CALC by Webb Labs

[App page](https://appshunter.io/ios/app/calc-by-webb-labs/id6761248737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aikankan free?

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

### Is CALC by Webb Labs free?

CALC by Webb Labs is free to download, with no in-app purchases.

### Do Aikankan or CALC by Webb Labs have ads?

CALC by Webb Labs shows ads; Aikankan does not.

### Which is updated more often, Aikankan or CALC by Webb Labs?

Aikankan ships an update every 5 weeks, and CALC by Webb Labs every 2 days. Most recently, Aikankan was updated on November 3, 2026 and CALC by Webb Labs on October 31, 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.*