# Ritmo vs ReminderOS

The clearest difference is iOS requirement: Ritmo at 12.0 against ReminderOS's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Ritmo sells 2 in-app purchases, starting at $4.99 per month and ReminderOS sells 3 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Ritmo | ReminderOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/reminderos-smart-reminders/id6758914560/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Freemium |
| Size | 90 MB | 26 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Youssef William](https://appshunter.io/developer/1875587731) | [Paul Waweru](https://appshunter.io/developer/1715153836) |

## What reviewers say

### Ritmo

[App page](https://appshunter.io/ios/app/ritmo-smart-timer/id6758897412)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ritmo Pro Monthly | $4.99 | per month |
| Ritmo Pro Yearly | $29.99 | per year |


### ReminderOS

[App page](https://appshunter.io/ios/app/reminderos-smart-reminders/id6758914560)

Create highly customizable reminders with flexible repeat schedules and instant notification actions. Sync across devices without accounts, prioritizing user privacy. Designed for busy individuals and those with ADHD to manage tasks and routines effectively.

**Highlights:** Customizable recurring reminders, Snooze and reschedule from notifications, Seamless iCloud sync across devices, Privacy-first design, no tracking, Built for busy and ADHD minds, Flexible scheduling options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReminderOS Pro | $0.49 | per 7 days |
| ReminderOS Pro | $19.99 | per year |
| ReminderOS Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Ritmo free?

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

### Is ReminderOS free?

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

### Do Ritmo or ReminderOS have ads?

Neither Ritmo nor ReminderOS shows ads.

### Which is updated more often, Ritmo or ReminderOS?

Ritmo ships an update every 4 days, and ReminderOS every 4 days. Most recently, Ritmo was updated on October 5, 2026 and ReminderOS on October 2, 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.*