# Intervals One vs Rachel’s Fit Physique

The clearest difference is update cadence: Rachel’s Fit Physique at every 4 weeks against Intervals One's every 4 months. Rachel’s Fit Physique also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Intervals One sells 3 in-app purchases, starting at $1.99 per month and Rachel’s Fit Physique sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

Intervals One ships an update every 4 months, Rachel’s Fit Physique every 4 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Intervals One | Rachel’s Fit Physique |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/rachels-fit-physique/id6752708823/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | — | Subscription |
| Size | 64 MB | 65 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ninety Six Software Ltd](https://appshunter.io/developer/1728731100) | [RACHEL'S FIT PILATES LLC](https://appshunter.io/developer/1840638048) |

## What reviewers say

### Intervals One

[App page](https://appshunter.io/ios/app/intervals-one-interval-timer/id6741439106)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


### Rachel’s Fit Physique

[App page](https://appshunter.io/ios/app/rachels-fit-physique/id6752708823)

This app offers guided workout programs combining strength, Pilates, and cardio for women seeking to build lean muscle and burn fat. It features over 150 follow-along routines, monthly programs, progress tracking, and offline downloads.

**Highlights:** Over 150 guided workouts, Exclusive programs & challenges, Monthly new programs, Progress tracking, Offline workout downloads, Apple Watch integration, Private community access

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $29.99 | per month |
| Yearly Subscription | $299.99 | per year |


## Frequently asked questions

### Is Intervals One free?

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

### Is Rachel’s Fit Physique free?

Rachel’s Fit Physique is free to download, with in-app purchases available.

### Do Intervals One or Rachel’s Fit Physique have ads?

Neither Intervals One nor Rachel’s Fit Physique shows ads.

### Which is updated more often, Intervals One or Rachel’s Fit Physique?

Intervals One ships an update every 4 months, and Rachel’s Fit Physique every 4 weeks. Most recently, Intervals One was updated on October 30, 2026 and Rachel’s Fit Physique on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*