# Reboryn vs Stack

The clearest difference is price: Reboryn at Free against Stack's $6.99. Reboryn also leads on ratings volume (9 vs 1) and device support (3 vs 1). Stack's advantage is rating (5.0 vs 1.9) and update cadence (daily vs every 3 weeks). On ads and in-app purchases there is nothing between them.

Reboryn is free to download; Stack costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stack holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: Reboryn has 9 ratings behind it against 1, so its average is the more settled of the two.

Reboryn ships an update every 3 weeks, Stack daily. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Reboryn | Stack |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [1.9 (9 ratings)](https://appshunter.io/ios/app/reboryn/id6739622232/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stack-daily-intentions/id6781799978/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | **Free** | Paid |
| Size | 365 MB | 1 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [A.C.N. 668 709 457 PTY LTD.](https://appshunter.io/developer/1713901992) | [hsla0001](https://appshunter.io/developer/1778537322) |

## What reviewers say

### Reboryn

[App page](https://appshunter.io/ios/app/reboryn/id6739622232)

This app helps you improve flexibility and reduce stiffness with structured mobility sessions and daily routines. It offers video guidance, a comprehensive exercise library, and community features to keep you motivated and accountable.

**Highlights:** Regular mobility sessions, Community and accountability features, Daily 15-minute routines, Health app integration, Dynamic video guidance, Comprehensive exercise library

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-daily-intentions/id6781799978)

This app helps you build and complete habits within a 90-day timeframe. It focuses on finishing cycles rather than perpetual tracking, with a limit of three habits at a time. The interface uses a grid to mark progress, and a widget provides quick access to daily tasks.

**Highlights:** Three habit limit, 90-day completion cycles, Manual grid progress tracking, Home-screen widget, One honest skip per week, No accounts or data collection

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

**In-app purchases:** none


## Frequently asked questions

### Is Reboryn free?

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

### Is Stack free?

Stack costs $6.99, with no in-app purchases.

### Which has better reviews, Reboryn or Stack?

Stack is rated higher. Reboryn averages 1.9 out of 5 from 9 ratings, while Stack averages 5.0 from 1 ratings.

### Do Reboryn or Stack have ads?

Neither Reboryn nor Stack shows ads.

### Which is updated more often, Reboryn or Stack?

Reboryn ships an update every 3 weeks, and Stack daily. Most recently, Reboryn was updated on October 10, 2026 and Stack on October 14, 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.*