# IARN App vs SDA

The clearest difference is device support: IARN App at 3 against SDA's 1. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | IARN App | SDA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 128 MB | 69 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Mauricio Barros](https://appshunter.io/developer/1526061349) | [PRIMEIRA IGREJA BATISTA DE CURITIBA](https://appshunter.io/developer/1474380053) |

## What reviewers say

### IARN App

[App page](https://appshunter.io/ios/app/iarn-app/id6447922662)

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

**In-app purchases:** none


### SDA

[App page](https://appshunter.io/ios/app/sda-revival-week/id6504500680)

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

**In-app purchases:** none


## Frequently asked questions

### Is IARN App free?

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

### Is SDA free?

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

### Do IARN App or SDA have ads?

Neither IARN App nor SDA shows ads.

### Which is updated more often, IARN App or SDA?

IARN App ships an update every 3 weeks, and SDA every 3 weeks. Most recently, IARN App was updated on October 4, 2026 and SDA on September 23, 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.*