# OffDays Alarm vs Countdown Up

The clearest difference is in-app purchases: OffDays Alarm at none against Countdown Up's 2. OffDays Alarm also leads on update cadence (every 10 days vs monthly). Countdown Up's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Countdown Up sells 2 in-app purchases, starting at $2.99 per month. OffDays Alarm asks for nothing beyond the download.

OffDays Alarm ships an update every 10 days, Countdown Up monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | OffDays Alarm | Countdown Up |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Monthly |
| Size | 15 MB | 20 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sung Ahn Kim](https://appshunter.io/developer/1452083763) | [Muntaha Shaheen](https://appshunter.io/developer/1793977047) |

## What reviewers say

### OffDays Alarm

[App page](https://appshunter.io/ios/app/offdays-alarm/id6762003987)

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

**In-app purchases:** none


### Countdown Up

[App page](https://appshunter.io/ios/app/countdown-up-days-since-app/id6763788650)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SinceWhen Tracker | $2.99 | per month |
| SinceWhen Tracker | $24.99 | per year |


## Frequently asked questions

### Is OffDays Alarm free?

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

### Is Countdown Up free?

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

### Do OffDays Alarm or Countdown Up have ads?

OffDays Alarm shows ads; Countdown Up does not.

### Which is updated more often, OffDays Alarm or Countdown Up?

OffDays Alarm ships an update every 10 days, and Countdown Up monthly. Most recently, OffDays Alarm was updated on October 24, 2026 and Countdown Up on October 24, 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.*