# Hachi vs Cool Mate

The clearest difference is update cadence: Hachi at every 3 days against Cool Mate's every 2 weeks. Cool Mate's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Hachi sells 2 in-app purchases, starting at $0.99 per month and Cool Mate sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Hachi ships an update every 3 days, Cool Mate every 2 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Hachi | Cool Mate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 17 MB | 84 MB |
| Requires iOS | 17.0.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Everyday Digital (Pty) Ltd](https://appshunter.io/developer/1419748559) | [SARA TORKAMANI](https://appshunter.io/developer/1887065186) |

## What reviewers say

### Hachi

[App page](https://appshunter.io/ios/app/hachi/id6741916144)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Annual Plan | $9.99 | per year |


### Cool Mate

[App page](https://appshunter.io/ios/app/cool-mate-learn-english/id6760964465)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Hachi free?

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

### Is Cool Mate free?

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

### Do Hachi or Cool Mate have ads?

Neither Hachi nor Cool Mate shows ads.

### Which is updated more often, Hachi or Cool Mate?

Hachi ships an update every 3 days, and Cool Mate every 2 weeks. Most recently, Hachi was updated on October 30, 2026 and Cool Mate on November 9, 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.*