# SBRT vs Alergo Digital

The clearest difference is update cadence: Alergo Digital at every 4 days against SBRT's every 3 months. SBRT's advantage is iOS requirement (10.0 vs 15.0). 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.

SBRT ships an update every 3 months, Alergo Digital every 4 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SBRT | Alergo Digital |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 39 MB | 20 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Unimagem Produções Audiovisuais Ltda.](https://appshunter.io/developer/1402767953) | [Clinica Medica Sampaio e Goncalves LTDA](https://appshunter.io/developer/1861613750) |

## What reviewers say

### SBRT

[App page](https://appshunter.io/ios/app/sbrt/id1475037708)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alergo Digital

[App page](https://appshunter.io/ios/app/alergo-digital/id6756681701)

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

**In-app purchases:** none


## Frequently asked questions

### Is SBRT free?

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

### Is Alergo Digital free?

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

### Do SBRT or Alergo Digital have ads?

Neither SBRT nor Alergo Digital shows ads.

### Which is updated more often, SBRT or Alergo Digital?

SBRT ships an update every 3 months, and Alergo Digital every 4 days. Most recently, SBRT was updated on October 29, 2026 and Alergo Digital on October 28, 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.*