# OnMisn Mobile vs Birthday Countdown

The clearest difference is in-app purchases: OnMisn Mobile at none against Birthday Countdown's 2. OnMisn Mobile also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (14.2 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Birthday Countdown sells 2 one-off in-app purchases. OnMisn Mobile asks for nothing beyond the download.

OnMisn Mobile ships an update every 6 days, Birthday Countdown every 2 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OnMisn Mobile | Birthday Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 63 MB | 14 MB |
| Requires iOS | **14.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Locomarine d.o.o.](https://appshunter.io/developer/694060442) | [FoxfortMobile](https://appshunter.io/developer/1544295696) |

## What reviewers say

### OnMisn Mobile

[App page](https://appshunter.io/ios/app/onmisn-mobile/id6449304815)

**Features:** macOS Compatibility

**In-app purchases:** none


### Birthday Countdown

[App page](https://appshunter.io/ios/app/birthday-countdown-evena/id6741893877)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Evena Premium | $4.99 | one-time |
| Evena Premium | $6.99 | one-time |


## Frequently asked questions

### Is OnMisn Mobile free?

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

### Is Birthday Countdown free?

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

### Do OnMisn Mobile or Birthday Countdown have ads?

Neither OnMisn Mobile nor Birthday Countdown shows ads.

### Which is updated more often, OnMisn Mobile or Birthday Countdown?

OnMisn Mobile ships an update every 6 days, and Birthday Countdown every 2 months. Most recently, OnMisn Mobile was updated on October 5, 2026 and Birthday Countdown on October 7, 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.*