# Haydi vs Days Until 100

The clearest difference is iOS requirement: Haydi at 15.1 against Days Until 100's 18.6. 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.

## The numbers

| Metric | Haydi | Days Until 100 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 43 MB | 6 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Senol Evsen](https://appshunter.io/developer/1705404708) | [Kairu Inoue](https://appshunter.io/developer/1808240838) |

## What reviewers say

### Haydi

[App page](https://appshunter.io/ios/app/haydi-smart-task-manager/id6702027974)

**Features:** macOS Compatibility

**In-app purchases:** none


### Days Until 100

[App page](https://appshunter.io/ios/app/days-until-100/id6792262785)

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

**In-app purchases:** none


## Frequently asked questions

### Is Haydi free?

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

### Is Days Until 100 free?

Days Until 100 is free to download, with no in-app purchases.

### Do Haydi or Days Until 100 have ads?

Both Haydi and Days Until 100 show ads.

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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.*