# Strongbox Zero vs Rhythm

The clearest difference is price: Rhythm at Free against Strongbox Zero's $99.99. Rhythm also leads on rating (5.0 vs 4.3) and review sentiment (100% vs 75%). Strongbox Zero's advantage is update cadence (every 2 weeks vs every 8 months) and ratings volume (21 vs 3). On ads and in-app purchases there is nothing between them.

Rhythm is free to download; Strongbox Zero costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rhythm holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Strongbox Zero has 21 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of Strongbox Zero's written reviews are positive against 100% of Rhythm's.

Strongbox Zero ships an update every 2 weeks, Rhythm every 8 months. The most recent releases landed on October 6, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Strongbox Zero | Rhythm |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | [4.3 (21 ratings)](https://appshunter.io/ios/app/strongbox-zero/id1581589638/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rhythm-smart-routine-tracker/id6737943863/reviews)** |
| Number of ratings | **21** | 3 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Paid | **Free** |
| Size | 96 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Phoebe Code Limited](https://appshunter.io/developer/897283734) | [Trevor Polidore](https://appshunter.io/developer/471663225) |

## What reviewers say

### Strongbox Zero

[App page](https://appshunter.io/ios/app/strongbox-zero/id1581589638)

This app securely stores and protects your passwords with a master password. It supports open-source formats and offers advanced security features like biometric unlock and hardware token protection. It's designed for users who prefer a local-only password management solution.

**Highlights:** Local-only password storage, Biometric and PIN unlock, YubiKey hardware token protection, Military-grade cryptography, Password auditing for weak passwords, Secure document attachment viewer, Import/Export via Files app and Email

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

**In-app purchases:** none


### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-smart-routine-tracker/id6737943863)

This intelligent task tracker helps you build lasting habits with flexible scheduling, visual progress tracking, and smart insights. It adapts to your daily life, making it simple to manage recurring tasks and achieve your goals.

**Highlights:** Flexible scheduling for daily routines, Recurring task setup, Visual progress tracking, Smart insights and analytics, Intelligent notifications, Customizable icons and colors

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strongbox Zero free?

Strongbox Zero costs $99.99, with no in-app purchases.

### Is Rhythm free?

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

### Which has better reviews, Strongbox Zero or Rhythm?

Rhythm is rated higher. Strongbox Zero averages 4.3 out of 5 from 21 ratings, while Rhythm averages 5.0 from 3 ratings.

### Do Strongbox Zero or Rhythm have ads?

Neither Strongbox Zero nor Rhythm shows ads.

### Which is updated more often, Strongbox Zero or Rhythm?

Strongbox Zero ships an update every 2 weeks, and Rhythm every 8 months. Most recently, Strongbox Zero was updated on October 6, 2026 and Rhythm on September 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.*