# aboreference

> aboreference (iPhone/iPad app by Christa Heller.)

- Source: https://appshunter.io/ios/app/aboreference/id6456483433 (this page in markdown: same URL + `.md`)
- Developer: [Christa Heller](https://appshunter.io/developer/1700289988)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.4 · 21 MB
- Languages: English
- Released: 2023-08-02
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/aboreference/id6456483433/reviews.md

## What is aboreference?

aboreference is a tool to help users calculate their possible blood types according to their parents' blood types, and help users understand the basic knowledge of ABO blood group system.


## Version history (last 2 releases)

### 1.1 — 2023-08-04

- Fixed bugs.

### 1.0 — 2023-08-02

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*