# Stretching & Flexibility Plans vs Interval Workout & HIIT Timer

The clearest difference is rating: Interval Workout & HIIT Timer at 5.0 against Stretching & Flexibility Plans's 4.4. Stretching & Flexibility Plans's advantage is ratings volume (164 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stretching & Flexibility Plans sells 3 in-app purchases, starting at $4.99 per month and Interval Workout & HIIT Timer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Interval Workout & HIIT Timer holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Stretching & Flexibility Plans has 164 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stretching & Flexibility Plans | Interval Workout & HIIT Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (164 ratings)](https://appshunter.io/ios/app/stretching-and-flexibility-plans/id1181856920/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interval-workout-and-hiit-timer/id6757612687/reviews)** |
| Number of ratings | **164** | 1 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 17 MB |
| Requires iOS | **13.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gabriel Lupu](https://appshunter.io/developer/879865900) | [Massive Interface LLC](https://appshunter.io/developer/1456804634) |

## What reviewers say

### Stretching & Flexibility Plans

[App page](https://appshunter.io/ios/app/stretching-and-flexibility-plans/id1181856920)

This app offers a wide variety of customizable stretching exercises and predefined routines to improve flexibility, relieve pain, and reduce stress. It provides clear instructions, progress tracking, and healthy meal suggestions to support your fitness goals.

**Highlights:** Over 100 customizable stretching exercises, Over 50 predefined workout routines, Customizable routines and workout creation, Clear pictorial and written instructions, On-screen instructions and timer, Progress tracking with graphs and charts, Healthy menu suggestions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription for Stretching Programs | $4.99 | per month |
| Stretching Programs 6 Months | $9.99 | per 6 months |
| Stretching Programs 12 Months | $17.99 | per year |


### Interval Workout & HIIT Timer

[App page](https://appshunter.io/ios/app/interval-workout-and-hiit-timer/id6757612687)

This minimalist interval timer helps you focus on your workout by managing your timing. It offers multiple modes for HIIT, Tabata, and standard intervals, with customizable transition times and focus-friendly audio or haptic feedback. Seamlessly track progress on your lock screen.

**Highlights:** Multiple timer modes (HIIT, Tabata, standard), Customizable interval and rest periods, Smart 'Interval Gap' transition timer, Focus-friendly audio cues and haptic feedback, Live Activities and Dynamic Island integration, Background notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Home and Lock Screen Support | $0.99 | one-time |
| Live Activities and Dynamic Island | $1.99 | one-time |


## Frequently asked questions

### Is Stretching & Flexibility Plans free?

Stretching & Flexibility Plans is free to download, with in-app purchases available.

### Is Interval Workout & HIIT Timer free?

Interval Workout & HIIT Timer is free to download, with in-app purchases available.

### Which has better reviews, Stretching & Flexibility Plans or Interval Workout & HIIT Timer?

Interval Workout & HIIT Timer is rated higher. Stretching & Flexibility Plans averages 4.4 out of 5 from 164 ratings, while Interval Workout & HIIT Timer averages 5.0 from 1 ratings.

### Do Stretching & Flexibility Plans or Interval Workout & HIIT Timer have ads?

Neither Stretching & Flexibility Plans nor Interval Workout & HIIT Timer shows ads.

### Which is updated more often, Stretching & Flexibility Plans or Interval Workout & HIIT Timer?

Stretching & Flexibility Plans ships an update every 3 weeks, and Interval Workout & HIIT Timer every 3 weeks. Most recently, Stretching & Flexibility Plans was updated on November 2, 2026 and Interval Workout & HIIT Timer on October 31, 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.*