# RSTR vs Cindy

The clearest difference is ads: Cindy at none against RSTR's shown. Cindy also leads on update cadence (every 5 days vs every 5 weeks). RSTR's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RSTR ships an update every 5 weeks, Cindy every 5 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | RSTR | Cindy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/rstr/id1484376402/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 126 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FBRK, LLC](https://appshunter.io/developer/1484376401) | [Adrien Guinard](https://appshunter.io/developer/6782170769) |

## What reviewers say

### RSTR

[App page](https://appshunter.io/ios/app/rstr/id1484376402)

Engage in 30-minute HIIT classes designed for all fitness levels, available both in-studio and on-demand. Plan your schedule, sign up for sessions, and explore current promotions and merchandise.

**Highlights:** 30-minute HIIT classes, In-studio and on-demand options, Workouts for all fitness levels, Class schedule planning, Class sign-ups, Promotions and merchandise shopping

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Cindy

[App page](https://appshunter.io/ios/app/cindy-20-min-amrap-workout/id6825075696)

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

**In-app purchases:** none


## Frequently asked questions

### Is RSTR free?

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

### Is Cindy free?

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

### Do RSTR or Cindy have ads?

RSTR shows ads; Cindy does not.

### Which is updated more often, RSTR or Cindy?

RSTR ships an update every 5 weeks, and Cindy every 5 days. Most recently, RSTR was updated on November 3, 2026 and Cindy on November 6, 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.*