# Blood Type Calculator vs ClocksOn

The clearest difference is update cadence: Blood Type Calculator at every 6 days against ClocksOn's monthly. Blood Type Calculator also leads on iOS requirement (12.1 vs 16.0). On price, ads, 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.

Blood Type Calculator ships an update every 6 days, ClocksOn monthly. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Blood Type Calculator | ClocksOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clockson-bedside-clock/id6792508849/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free |
| Size | 14 MB | 29 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) | [CODERWISE INC.](https://appshunter.io/developer/6792508851) |

## What reviewers say

### Blood Type Calculator

[App page](https://appshunter.io/ios/app/blood-type-calculator/id6469518938)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClocksOn

[App page](https://appshunter.io/ios/app/clockson-bedside-clock/id6792508849)

This app transforms your iPhone or iPad into a clear, full-screen bedside clock. It features adaptive brightness that adjusts to room lighting and offers theme customization for optimal readability day or night. Enjoy a clutter-free experience with no ads or notifications.

**Highlights:** Full-screen, glanceable clock face, Adaptive brightness adjusts to room light, Manual brightness control, Light, dark, or system theme options, Orientation lock (portrait, landscape, auto), No ads, accounts, or notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Blood Type Calculator free?

Blood Type Calculator is free to download, with no in-app purchases.

### Is ClocksOn free?

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

### Do Blood Type Calculator or ClocksOn have ads?

Neither Blood Type Calculator nor ClocksOn shows ads.

### Which is updated more often, Blood Type Calculator or ClocksOn?

Blood Type Calculator ships an update every 6 days, and ClocksOn monthly. Most recently, Blood Type Calculator was updated on November 7, 2026 and ClocksOn on November 6, 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.*