# blitzTime vs Dueday

The clearest difference is ads: Dueday at none against blitzTime's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

blitzTime ships an update fortnightly, Dueday every 2 weeks. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | blitzTime | Dueday |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 9 MB | 25 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SYOTA FUJIWARA](https://appshunter.io/developer/1888464263) | [Yuki Okawa](https://appshunter.io/developer/1867195492) |

## What reviewers say

### blitzTime

[App page](https://appshunter.io/ios/app/blitztime/id6686401302)

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

**In-app purchases:** none


### Dueday

[App page](https://appshunter.io/ios/app/dueday-deadline-countdown/id6785360681)

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

**In-app purchases:** none


## Frequently asked questions

### Is blitzTime free?

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

### Is Dueday free?

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

### Do blitzTime or Dueday have ads?

blitzTime shows ads; Dueday does not.

### Which is updated more often, blitzTime or Dueday?

blitzTime ships an update fortnightly, and Dueday every 2 weeks. Most recently, blitzTime was updated on October 10, 2026 and Dueday on September 28, 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.*