# Keidulator vs Deadline Countdown

The clearest difference is update cadence: Deadline Countdown at fortnightly against Keidulator's every 5 weeks. Deadline Countdown also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keidulator ships an update every 5 weeks, Deadline Countdown fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Keidulator | Deadline Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.4 | **17.0** |
| Devices | iPhone | **iPhone, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Guretzki](https://appshunter.io/developer/1442073696) | [Myworkingmemory LLC](https://appshunter.io/developer/1892099684) |

## What reviewers say

### Keidulator

[App page](https://appshunter.io/ios/app/keidulator-vat-calc/id6480166328)

**Features:** macOS Compatibility

**In-app purchases:** none


### Deadline Countdown

[App page](https://appshunter.io/ios/app/deadline-countdown-stay-sharp/id6777861464)

**In-app purchases:** none


## Frequently asked questions

### Is Keidulator free?

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

### Is Deadline Countdown free?

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

### Do Keidulator or Deadline Countdown have ads?

Neither Keidulator nor Deadline Countdown shows ads.

### Which is updated more often, Keidulator or Deadline Countdown?

Keidulator ships an update every 5 weeks, and Deadline Countdown fortnightly. Most recently, Keidulator was updated on November 8, 2026 and Deadline Countdown on October 31, 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.*