# SDFI vs Witnium Evipic

The clearest difference is ads: Witnium Evipic at none against SDFI's shown. Witnium Evipic also leads on update cadence (every 5 months vs every 23 months). SDFI's advantage is iOS requirement (11.0 vs 13.4). On price, 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.

SDFI ships an update every 23 months, Witnium Evipic every 5 months. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SDFI | Witnium Evipic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 5 months** |
| Size | 30 MB | 23 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SDFI-TeleMedicine LLC](https://appshunter.io/developer/1527300738) | [Witnium Technologies AB](https://appshunter.io/developer/1751705459) |

## What reviewers say

### SDFI

[App page](https://appshunter.io/ios/app/sdfi-forensic-guidelines/id1527300736)

**In-app purchases:** none


### Witnium Evipic

[App page](https://appshunter.io/ios/app/witnium-evipic/id6504285949)

**In-app purchases:** none


## Frequently asked questions

### Is SDFI free?

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

### Is Witnium Evipic free?

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

### Do SDFI or Witnium Evipic have ads?

SDFI shows ads; Witnium Evipic does not.

### Which is updated more often, SDFI or Witnium Evipic?

SDFI ships an update every 23 months, and Witnium Evipic every 5 months. Most recently, SDFI was updated on September 29, 2026 and Witnium Evipic on September 27, 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.*