# How Long Since vs Datto

The clearest difference is ads: Datto at none against How Long Since's shown. Datto also leads on update cadence (every 2 days vs every 8 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. How Long Since sells 2 in-app purchases, starting at $0.99 per month and Datto sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

How Long Since ships an update every 8 days, Datto every 2 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | How Long Since | Datto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/datto-countdown-widget/id6796972154/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Okan Ozcan](https://appshunter.io/developer/1357256694) | [Minari Taniguchi](https://appshunter.io/developer/6796972156) |

## What reviewers say

### How Long Since

[App page](https://appshunter.io/ios/app/how-long-since/id6749531392)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


### Datto

[App page](https://appshunter.io/ios/app/datto-countdown-widget/id6796972154)

This app displays the number of days remaining until important dates directly on your Home Screen via a widget. It offers customizable colors and themes to match your device. Additional features like unlimited events and milestone reminders are available with a one-time purchase.

**Highlights:** Home screen countdown widget, Customizable colors and themes, Unlimited events (Pro), Repeating events (Pro), Milestone reminders (Pro), iCloud sync (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Datto Pro | $3.99 | one-time |


## Frequently asked questions

### Is How Long Since free?

How Long Since is free to download, with in-app purchases available.

### Is Datto free?

Datto is free to download, with in-app purchases available.

### Do How Long Since or Datto have ads?

How Long Since shows ads; Datto does not.

### Which is updated more often, How Long Since or Datto?

How Long Since ships an update every 8 days, and Datto every 2 days. Most recently, How Long Since was updated on October 15, 2026 and Datto on October 16, 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.*