# SDFI vs Synops

The clearest difference is ads: Synops at none against SDFI's shown. SDFI's advantage is iOS requirement (11.0 vs 26.0). On price, update cadence, 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, Synops every 14 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SDFI | Synops |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 14 months** |
| Size | 30 MB | 2 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SDFI-TeleMedicine LLC](https://appshunter.io/developer/1527300738) | [Foxtrot LLC](https://appshunter.io/developer/1700319524) |

## What reviewers say

### SDFI

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

**In-app purchases:** none


### Synops

[App page](https://appshunter.io/ios/app/synops/id6456177464)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SDFI free?

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

### Is Synops free?

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

### Do SDFI or Synops have ads?

SDFI shows ads; Synops does not.

### Which is updated more often, SDFI or Synops?

SDFI ships an update every 23 months, and Synops every 14 months. Most recently, SDFI was updated on October 27, 2026 and Synops on October 25, 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.*