# Days' vs How many days since that day?

The clearest difference is update cadence: Days' at every 4 days against How many days since that day?'s every 3 weeks. Days' also leads on iOS requirement (14.0 vs 16.0). On price, ads, 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.

Days' ships an update every 4 days, How many days since that day? every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Days' | How many days since that day? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 17 MB | 20 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daiki Hirao](https://appshunter.io/developer/1480092196) | [Sasai Hiroki](https://appshunter.io/developer/1757741729) |

## What reviewers say

### Days'

[App page](https://appshunter.io/ios/app/days/id1581602165)

**Features:** macOS Compatibility

**In-app purchases:** none


### How many days since that day?

[App page](https://appshunter.io/ios/app/how-many-days-since-that-day/id6550891765)

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

**In-app purchases:** none


## Frequently asked questions

### Is Days' free?

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

### Is How many days since that day? free?

How many days since that day? is free to download, with no in-app purchases.

### Do Days' or How many days since that day? have ads?

Neither Days' nor How many days since that day? shows ads.

### Which is updated more often, Days' or How many days since that day??

Days' ships an update every 4 days, and How many days since that day? every 3 weeks. Most recently, Days' was updated on November 3, 2026 and How many days since that day? on October 30, 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.*