# Seitron Smart vs Ada.TFD

The clearest difference is update cadence: Seitron Smart at fortnightly against Ada.TFD's every 6 weeks. Seitron Smart also leads on device support (3 vs 1). Ada.TFD's advantage is iOS requirement (11.0 vs 15.0). On price, 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.

Seitron Smart ships an update fortnightly, Ada.TFD every 6 weeks. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Seitron Smart | Ada.TFD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 67 MB | 126 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seitron Spa](https://appshunter.io/developer/1222487753) | [Adawen srl](https://appshunter.io/developer/1639517932) |

## What reviewers say

### Seitron Smart

[App page](https://appshunter.io/ios/app/seitron-smart/id1473602699)

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

**In-app purchases:** none


### Ada.TFD

[App page](https://appshunter.io/ios/app/adatfd/id1641071552)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Seitron Smart free?

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

### Is Ada.TFD free?

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

### Do Seitron Smart or Ada.TFD have ads?

Neither Seitron Smart nor Ada.TFD shows ads.

### Which is updated more often, Seitron Smart or Ada.TFD?

Seitron Smart ships an update fortnightly, and Ada.TFD every 6 weeks. Most recently, Seitron Smart was updated on October 19, 2026 and Ada.TFD on October 12, 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.*