# A2F vs SDS

The clearest difference is update cadence: SDS at every 3 months against A2F's every 19 months. 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.

A2F ships an update every 19 months, SDS every 3 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | A2F | SDS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Size | 28 MB | 56 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ministério das Finanças](https://appshunter.io/developer/1597141433) | [Paulo Ebo](https://appshunter.io/developer/1701508722) |

## What reviewers say

### A2F

[App page](https://appshunter.io/ios/app/a2f/id1600889592)

**Features:** macOS Compatibility

**In-app purchases:** none


### SDS

[App page](https://appshunter.io/ios/app/sds/id6468405207)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A2F free?

A2F is free to download, with no in-app purchases.

### Is SDS free?

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

### Do A2F or SDS have ads?

Neither A2F nor SDS shows ads.

### Which is updated more often, A2F or SDS?

A2F ships an update every 19 months, and SDS every 3 months. Most recently, A2F was updated on September 18, 2026 and SDS on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*