# ScentShelf vs Datto

The clearest difference is update cadence: Datto at every 3 days against ScentShelf's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ScentShelf sells 1 one-off in-app purchase and Datto sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScentShelf ships an update every 2 weeks, Datto every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ScentShelf | 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 | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [InnovaLabWorks](https://appshunter.io/developer/1888514726) | [Minari Taniguchi](https://appshunter.io/developer/6796972156) |

## What reviewers say

### ScentShelf

[App page](https://appshunter.io/ios/app/scentshelf-fragrances/id6790140088)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScentShelf Lifetime | $12.99 | one-time |


### Datto

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

Visually track important upcoming dates directly on your device's home screen. Set up events once and get a quiet, constant reminder of how much time remains until your goals, birthdays, or trips.

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

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Datto Pro | $5.99 | one-time |


## Frequently asked questions

### Is ScentShelf free?

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

### Is Datto free?

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

### Do ScentShelf or Datto have ads?

Neither ScentShelf nor Datto shows ads.

### Which is updated more often, ScentShelf or Datto?

ScentShelf ships an update every 2 weeks, and Datto every 3 days. Most recently, ScentShelf was updated on October 31, 2026 and Datto on October 31, 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.*