# ECU'92 vs Sabai

The clearest difference is in-app purchases: ECU'92 at none against Sabai's 2. ECU'92 also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Sabai's advantage is update cadence (every 2 weeks vs every 9 months). On price and ads there is nothing between them.

Both are free to download. Sabai sells 2 in-app purchases, starting at $4.99 per month. ECU'92 asks for nothing beyond the download.

ECU'92 ships an update every 9 months, Sabai every 2 weeks. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ECU'92 | Sabai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sabai-learn-thai/id6785896773/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 16 MB | 47 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Economic Career Day Utrecht](https://appshunter.io/developer/1539125832) | [Luis Halama](https://appshunter.io/developer/6785896955) |

## What reviewers say

### ECU'92

[App page](https://appshunter.io/ios/app/ecu92/id6504613994)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sabai

[App page](https://appshunter.io/ios/app/sabai-learn-thai/id6785896773)

Learn Thai effortlessly with daily words appearing on your phone's lock screen. This app integrates language learning into your daily routine without pressure, offering pronunciation, meaning, and practice tools.

**Highlights:** Lock screen widget for daily words, Thai script, pronunciation, and meaning, Customizable word frequency, Flashcard practice, Learning progress tracking, Favorite words and streaks

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sabai Premium (Monthly) | $4.99 | per month |
| Sabai Premium (Yearly) | $17.99 | per year |


## Frequently asked questions

### Is ECU'92 free?

ECU'92 is free to download, with no in-app purchases.

### Is Sabai free?

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

### Do ECU'92 or Sabai have ads?

Neither ECU'92 nor Sabai shows ads.

### Which is updated more often, ECU'92 or Sabai?

ECU'92 ships an update every 9 months, and Sabai every 2 weeks. Most recently, ECU'92 was updated on October 17, 2026 and Sabai on October 25, 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.*