# ChangeFit Pro vs Hachi

The clearest difference is in-app purchases: ChangeFit Pro at none against Hachi's 2. ChangeFit Pro also leads on iOS requirement (15.0 vs 17.0.0). Hachi's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Hachi sells 2 in-app purchases, starting at $0.99 per month. ChangeFit Pro asks for nothing beyond the download.

ChangeFit Pro ships an update every 2 months, Hachi every 3 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ChangeFit Pro | Hachi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 39 MB | 17 MB |
| Requires iOS | **15.0** | 17.0.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ByteKast Pty Ltd](https://appshunter.io/developer/1566569366) | [Everyday Digital (Pty) Ltd](https://appshunter.io/developer/1419748559) |

## What reviewers say

### ChangeFit Pro

[App page](https://appshunter.io/ios/app/changefit-pro/id1561152885)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ChangeFit Pro free?

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

### Is Hachi free?

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

### Do ChangeFit Pro or Hachi have ads?

Neither ChangeFit Pro nor Hachi shows ads.

### Which is updated more often, ChangeFit Pro or Hachi?

ChangeFit Pro ships an update every 2 months, and Hachi every 3 days. Most recently, ChangeFit Pro was updated on October 25, 2026 and Hachi on October 12, 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.*