# Koi (TEC) vs Arorangi

The clearest difference is iOS requirement: Arorangi at 11.0 against Koi (TEC)'s 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Koi (TEC) ships an update every 5 months, Arorangi every 7 months. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Koi (TEC) | Arorangi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | — |
| Size | 214 MB | 650 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tertiary Education Comission](https://appshunter.io/developer/1446239312) | [Ministry of Education](https://appshunter.io/developer/507340102) |

## What reviewers say

### Koi (TEC)

[App page](https://appshunter.io/ios/app/koi-tec/id1446239313)

Learn about New Zealand's cultures and languages with this educational app. It offers interactive features for te reo Māori, Te Ao Māori, and New Zealand Sign Language, helping users develop cultural intelligence for diverse contexts.

**Highlights:** Swipe-to-Read™, Touch-to-Hear™ for te reo Māori, New Zealand Sign Language content and videos, Read-to-me and read-it-myself options, Record your own narration

**Features:** macOS Compatibility

**In-app purchases:** none


### Arorangi

[App page](https://appshunter.io/ios/app/arorangi/id6443439776)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Koi (TEC) free?

Koi (TEC) is free to download, with no in-app purchases.

### Is Arorangi free?

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

### Do Koi (TEC) or Arorangi have ads?

Neither Koi (TEC) nor Arorangi shows ads.

### Which is updated more often, Koi (TEC) or Arorangi?

Koi (TEC) ships an update every 5 months, and Arorangi every 7 months. Most recently, Koi (TEC) was updated on October 23, 2026 and Arorangi on October 14, 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.*