# Interval Working vs Thrive Fit

The clearest difference is in-app purchases: Interval Working at none against Thrive Fit's 6. Thrive Fit's advantage is update cadence (every 8 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thrive Fit sells 6 in-app purchases, starting at $9.99 per 7 days. Interval Working asks for nothing beyond the download.

Interval Working ships an update every 6 months, Thrive Fit every 8 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Interval Working | Thrive Fit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 8 days** |
| Size | 51 MB | 101 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [David Fernandez-Vegue Garcia](https://appshunter.io/developer/1576667472) | [Md Sazzad Hossain Pavel](https://appshunter.io/developer/1823196229) |

## What reviewers say

### Interval Working

[App page](https://appshunter.io/ios/app/interval-working/id1576667470)

**Features:** Vision Pro support

**In-app purchases:** none


### Thrive Fit

[App page](https://appshunter.io/ios/app/thrive-fit-workout-and-meals/id6784354679)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thrive Fit Weekly Premium | $9.99 | per 7 days |
| Thrive Fit Monthly Premium | $19.99 | per month |
| Thrive Fit Yearly Premium Offer | $29.99 | per year |
| Thrive Fit 3 Months Premium | $39.99 | per 3 months |
| Thrive Fit Yearly Premium | $49.99 | per year |
| Thrive Fit Yearly Premium | $59.99 | per year |


## Frequently asked questions

### Is Interval Working free?

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

### Is Thrive Fit free?

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

### Do Interval Working or Thrive Fit have ads?

Both Interval Working and Thrive Fit show ads.

### Which is updated more often, Interval Working or Thrive Fit?

Interval Working ships an update every 6 months, and Thrive Fit every 8 days. Most recently, Interval Working was updated on October 25, 2026 and Thrive Fit 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.*