# HapiEnglish vs Superlinear Academy

The clearest difference is update cadence: Superlinear Academy at every 6 weeks against HapiEnglish's every 24 months. HapiEnglish's advantage is iOS requirement (13.0 vs 16.4). 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.

HapiEnglish ships an update every 24 months, Superlinear Academy every 6 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HapiEnglish | Superlinear Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (20 ratings)](https://appshunter.io/ios/app/superlinear-academy/id6760123187/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 82 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Patrick Cruz](https://appshunter.io/developer/1032640763) | [Superlinear Academy LLC](https://appshunter.io/developer/1882746071) |

## What reviewers say

### HapiEnglish

[App page](https://appshunter.io/ios/app/hapienglish/id1591788854)

**In-app purchases:** none


### Superlinear Academy

[App page](https://appshunter.io/ios/app/superlinear-academy/id6760123187)

This platform focuses on teaching users how to design and build AI systems, rather than just using AI tools. It offers a structured curriculum, a cloud development environment, and access to expert Q&A for those who want to move from learning to building.

**Highlights:** Structured curriculum on AI system design, Agentic AI design principles, Context engineering techniques, Build real AI projects, Cloud development environment, Expert Q&A sessions, Active builder community

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

**In-app purchases:** none


## Frequently asked questions

### Is HapiEnglish free?

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

### Is Superlinear Academy free?

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

### Do HapiEnglish or Superlinear Academy have ads?

Neither HapiEnglish nor Superlinear Academy shows ads.

### Which is updated more often, HapiEnglish or Superlinear Academy?

HapiEnglish ships an update every 24 months, and Superlinear Academy every 6 weeks. Most recently, HapiEnglish was updated on October 3, 2026 and Superlinear Academy on October 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.*