# Thrive with Harriet vs BigBox

The clearest difference is in-app purchases: BigBox at none against Thrive with Harriet's 1. BigBox also leads on update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thrive with Harriet sells 1 in-app purchase, starting at $125.99 per month. BigBox asks for nothing beyond the download.

Thrive with Harriet ships an update every 3 months, BigBox monthly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Thrive with Harriet | BigBox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 56 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Harriet Betts](https://appshunter.io/developer/1782367998) | [Big Box Leisure Club Limited](https://appshunter.io/developer/1786926995) |

## What reviewers say

### Thrive with Harriet

[App page](https://appshunter.io/ios/app/thrive-with-harriet/id6738794473)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $125.99 | per month |


### BigBox

[App page](https://appshunter.io/ios/app/bigbox/id6739763984)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thrive with Harriet free?

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

### Is BigBox free?

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

### Do Thrive with Harriet or BigBox have ads?

Neither Thrive with Harriet nor BigBox shows ads.

### Which is updated more often, Thrive with Harriet or BigBox?

Thrive with Harriet ships an update every 3 months, and BigBox monthly. Most recently, Thrive with Harriet was updated on October 8, 2026 and BigBox 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.*