# Reminder & Countdown vs CleanSync

The clearest difference is price: Reminder & Countdown at Free against CleanSync's $0.99. CleanSync's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Reminder & Countdown is free to download; CleanSync costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reminder & Countdown ships an update every 3 months, CleanSync every 5 months. The most recent releases landed on September 30, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Reminder & Countdown | CleanSync |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (16K ratings)](https://appshunter.io/ios/app/reminder-and-countdown/id471570365/reviews)** | — |
| Number of ratings | **16K** | — |
| Positive reviews | 86.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 4 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Astakhov](https://appshunter.io/developer/350555478) | [Sean Washington](https://appshunter.io/developer/1697083584) |

## What reviewers say

### Reminder & Countdown

[App page](https://appshunter.io/ios/app/reminder-and-countdown/id471570365)

Never miss an important event with this app. Set up custom reminders for everything from birthdays to holidays, with real-time countdowns and configurable alerts. Personalize your events with unique icons, backgrounds, and fonts, and easily share your countdowns with friends and family.

**Highlights:** Real-time countdowns, Customizable alerts, Event personalization (icons, backgrounds, fonts), Import birthdays and calendar events, Event sharing via multiple platforms, Multiple reminder options

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and convenient
- 👍 Versatile and customizable
- 👍 Reliable and easy to use
- 👍 Helpful for organizing important dates
- 👍 Useful for medical and appointment reminders

**What reviewers complain about**

- 🐛 Occasional issues with reminders not working as expected
- 🐛 Reminders sometimes persist even after being deleted
- 🐛 Sync issues between devices
- 🔋 Concerns about high battery consumption

**Reported bugs**

- Reminders not clearing after being deleted
- Countdown timers not always accurate
- Notification issues after iOS updates

**Requested features**

- Allow snooze and nag functions for reminders
- Integrate with calendar apps for better sync
- Add ability to filter reminders by work/school days
- Provide more customization options for backgrounds and icons
- Enable sharing of countdowns with friends and family


### CleanSync

[App page](https://appshunter.io/ios/app/cleansync/id6451183040)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reminder & Countdown free?

Reminder & Countdown is free to download, with no in-app purchases.

### Is CleanSync free?

CleanSync costs $0.99, with no in-app purchases.

### Do Reminder & Countdown or CleanSync have ads?

Reminder & Countdown shows ads; CleanSync does not.

### Which is updated more often, Reminder & Countdown or CleanSync?

Reminder & Countdown ships an update every 3 months, and CleanSync every 5 months. Most recently, Reminder & Countdown was updated on September 30, 2026 and CleanSync on September 15, 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.*