# NotaioID vs DIDAYS

The clearest difference is iOS requirement: NotaioID at 14.0 against DIDAYS's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | NotaioID | DIDAYS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 19 MB | 4 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bit4id s.r.l](https://appshunter.io/developer/783640533) | [LetzFair](https://appshunter.io/developer/1590302077) |

## What reviewers say

### NotaioID

[App page](https://appshunter.io/ios/app/notaioid/id1511512267)

**In-app purchases:** none


### DIDAYS

[App page](https://appshunter.io/ios/app/didays/id6450930246)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NotaioID free?

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

### Is DIDAYS free?

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

### Do NotaioID or DIDAYS have ads?

Neither NotaioID nor DIDAYS shows ads.

### Which is updated more often, NotaioID or DIDAYS?

NotaioID ships an update monthly, and DIDAYS monthly. Most recently, NotaioID was updated on October 10, 2026 and DIDAYS on October 19, 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.*