# Medifast vs SIU26

The clearest difference is update cadence: SIU26 at every 5 days against Medifast's every 6 months. Medifast's advantage is iOS requirement (15.6 vs 17.0). 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.

Medifast ships an update every 6 months, SIU26 every 5 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Medifast | SIU26 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 28 MB | 33 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Medifast SRL](https://appshunter.io/developer/1775648866) | [ECHELON ITALIA S.R.L.](https://appshunter.io/developer/1139733448) |

## What reviewers say

### Medifast

[App page](https://appshunter.io/ios/app/medifast/id6502406947)

**Features:** Apple Wallet

**In-app purchases:** none


### SIU26

[App page](https://appshunter.io/ios/app/siu26/id6787073498)

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

**In-app purchases:** none


## Frequently asked questions

### Is Medifast free?

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

### Is SIU26 free?

SIU26 is free to download, with no in-app purchases.

### Do Medifast or SIU26 have ads?

Neither Medifast nor SIU26 shows ads.

### Which is updated more often, Medifast or SIU26?

Medifast ships an update every 6 months, and SIU26 every 5 days. Most recently, Medifast was updated on November 8, 2026 and SIU26 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.*