# Rytmo vs NotZero

The clearest difference is in-app purchases: Rytmo at none against NotZero's 2. Rytmo also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. NotZero sells 2 in-app purchases, starting at $4.99 per month. Rytmo asks for nothing beyond the download.

Rytmo ships an update every 5 days, NotZero weekly. The most recent releases landed on October 15, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Rytmo | NotZero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rytmo-habit-tracker/id6746411690/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | — |
| Size | 3 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Artem Novikov](https://appshunter.io/developer/529806855) | [Daniil Mykhailenko](https://appshunter.io/developer/1886744014) |

## What reviewers say

### Rytmo

[App page](https://appshunter.io/ios/app/rytmo-habit-tracker/id6746411690)

This app helps you build better habits with smart tracking, detailed analytics, and a built-in timer. It offers personalized themes and privacy-focused data storage on your device. Track simple or quantitative habits, view progress with interactive charts, and add notes for reflection.

**Highlights:** Smart habit tracking (yes/no, quantitative), Detailed analytics with charts, Integrated timer and stopwatch, Notes and reflection logging, iOS home screen widgets, Privacy-first, local data storage, Personalization options

**In-app purchases:** none


### NotZero

[App page](https://appshunter.io/ios/app/notzero-habit-tracker/id6760908507)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NotZero Premium Monthly | $4.99 | per month |
| NotZero Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is Rytmo free?

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

### Is NotZero free?

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

### Do Rytmo or NotZero have ads?

NotZero shows ads; Rytmo does not.

### Which is updated more often, Rytmo or NotZero?

Rytmo ships an update every 5 days, and NotZero weekly. Most recently, Rytmo was updated on October 15, 2026 and NotZero on September 27, 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.*