# Hi ABC vs Hypothesis Test

The clearest difference is price: Hi ABC at Free against Hypothesis Test's $1.99. Hypothesis Test's advantage is in-app purchases (none vs 1). On rating, ratings volume, update cadence and ads there is nothing between them.

Hi ABC is free to download; Hypothesis Test costs $1.99 up front. Hi ABC sells 1 one-off in-app purchase. Hypothesis Test asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Hi ABC against 5.0 for Hypothesis Test. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Hi ABC ships an update every 6 weeks, Hypothesis Test monthly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Hi ABC | Hypothesis Test |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/hi-abc/id1673179606/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/hypothesis-test-type-i-pro/id6472454829/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 19 MB | 180 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [浩东 邱](https://appshunter.io/developer/1493267968) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Hi ABC

[App page](https://appshunter.io/ios/app/hi-abc/id1673179606)

This app offers early English learning for toddlers and beginners. It combines text, pictures, and audio to teach common word pronunciations and meanings across various categories. The interface is simple and user-friendly for a comfortable learning experience.

**Highlights:** Interactive word pronunciation, Picture-based word learning, Categorized word learning, Multilingual support, Simple and intuitive interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock all cards | $2.99 | one-time |


### Hypothesis Test

[App page](https://appshunter.io/ios/app/hypothesis-test-type-i-pro/id6472454829)

Perform Type I Error hypothesis testing with customizable null hypotheses and sample sizes. Calculate alpha errors or acceptance/rejection ranges with detailed, step-by-step solutions. Save and share your calculations.

**Highlights:** Type I Error hypothesis testing, Calculate alpha error, Calculate acceptance/rejection range, Right, left, or bilateral tests, Step-by-step solution display, Calculation history, Shareable results

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

**In-app purchases:** none


## Frequently asked questions

### Is Hi ABC free?

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

### Is Hypothesis Test free?

Hypothesis Test costs $1.99, with no in-app purchases.

### Which has better reviews, Hi ABC or Hypothesis Test?

Hi ABC and Hypothesis Test are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Hi ABC or Hypothesis Test have ads?

Neither Hi ABC nor Hypothesis Test shows ads.

### Which is updated more often, Hi ABC or Hypothesis Test?

Hi ABC ships an update every 6 weeks, and Hypothesis Test monthly. Most recently, Hi ABC was updated on October 5, 2026 and Hypothesis Test on October 8, 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.*