# How Many Days Until vs ServiceFirst

The clearest difference is in-app purchases: ServiceFirst at none against How Many Days Until's 2. ServiceFirst also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). How Many Days Until's advantage is update cadence (monthly vs every 32 months). On price and device support there is nothing between them.

Both are free to download. How Many Days Until sells 2 in-app purchases, starting at $9.99 per year. ServiceFirst asks for nothing beyond the download.

How Many Days Until ships an update monthly, ServiceFirst every 32 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | How Many Days Until | ServiceFirst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/how-many-days-until-countdown/id1116568188/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 32 months |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atthaporn Chanprakon](https://appshunter.io/developer/903328298) | [Mithra Mayadunne](https://appshunter.io/developer/1457065635) |

## What reviewers say

### How Many Days Until

[App page](https://appshunter.io/ios/app/how-many-days-until-countdown/id1116568188)

Easily track upcoming special occasions with this app. Set reminders for important dates and personalize your countdowns with beautiful backgrounds. Its simple interface makes managing your events straightforward.

**Highlights:** Create and save special days, Event reminders, Customizable backgrounds, Simple user interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| How Many Days Until Premium Yearly | $9.99 | per year |
| Remove Ads | $3.99 | one-time |


### ServiceFirst

[App page](https://appshunter.io/ios/app/servicefirst/id1496947887)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is How Many Days Until free?

How Many Days Until is free to download, with in-app purchases available.

### Is ServiceFirst free?

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

### Do How Many Days Until or ServiceFirst have ads?

How Many Days Until shows ads; ServiceFirst does not.

### Which is updated more often, How Many Days Until or ServiceFirst?

How Many Days Until ships an update monthly, and ServiceFirst every 32 months. Most recently, How Many Days Until was updated on October 25, 2026 and ServiceFirst on October 25, 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.*