# Days until my birthday vs ScreenKiller

The clearest difference is price: ScreenKiller at Free against Days until my birthday's $0.99. ScreenKiller also leads on ads (none vs shown) and update cadence (every 3 months vs every 53 months). Days until my birthday's advantage is rating (3.3 vs 1.0) and in-app purchases (none vs 1). On device support and iOS requirement there is nothing between them.

ScreenKiller is free to download; Days until my birthday costs $0.99 up front. ScreenKiller sells 1 one-off in-app purchase. Days until my birthday asks for nothing beyond the download.

Days until my birthday holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: Days until my birthday has 26 ratings behind it against 1, so its average is the more settled of the two.

Days until my birthday ships an update every 53 months, ScreenKiller every 3 months. The most recent releases landed on October 23, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Days until my birthday | ScreenKiller |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.3 (26 ratings)](https://appshunter.io/ios/app/days-until-my-birthday/id627831738/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/screenkiller/id950713458/reviews) |
| Number of ratings | **26** | 1 |
| Positive reviews | 48.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 53 months | **Every 3 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 26 MB | 35 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Vigleik Steinar Voll](https://appshunter.io/developer/898923144) |

## What reviewers say

### Days until my birthday

[App page](https://appshunter.io/ios/app/days-until-my-birthday/id627831738)

This app helps you track the days remaining until your birthday with personalized insights. It offers a countdown, zodiac information, and fun games to enjoy while you wait for your special day.

**Highlights:** Birthday countdown, Personalized insights (zodiac, birthstone), Milestone tracking, Simple games included, Private data storage

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

**In-app purchases:** none


### ScreenKiller

[App page](https://appshunter.io/ios/app/screenkiller/id950713458)

This app uses your device's screen to create startling effects when touched or shaken. Customize the scares with your own images, sounds, and videos for personalized pranks.

**Highlights:** Screen shattering effect, Scary sound effects, Shake to trigger boar animation, Customizable images and sounds, Personalized video and picture integration, Setup options for customization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock ScreenKiller | $0.49 | one-time |


## Frequently asked questions

### Is Days until my birthday free?

Days until my birthday costs $0.99, with no in-app purchases.

### Is ScreenKiller free?

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

### Which has better reviews, Days until my birthday or ScreenKiller?

Days until my birthday is rated higher. Days until my birthday averages 3.3 out of 5 from 26 ratings, while ScreenKiller averages 1.0 from 1 ratings.

### Do Days until my birthday or ScreenKiller have ads?

Days until my birthday shows ads; ScreenKiller does not.

### Which is updated more often, Days until my birthday or ScreenKiller?

Days until my birthday ships an update every 53 months, and ScreenKiller every 3 months. Most recently, Days until my birthday was updated on October 23, 2026 and ScreenKiller on November 1, 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.*