# Ferri's Best Test vs Plutogenix

The clearest difference is in-app purchases: Plutogenix at none against Ferri's Best Test's 1. Plutogenix also leads on ads (none vs shown) and update cadence (every 4 days vs every 6 months). Ferri's Best Test's advantage is iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Ferri's Best Test sells 1 one-off in-app purchase. Plutogenix asks for nothing beyond the download.

Ferri's Best Test ships an update every 6 months, Plutogenix every 4 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ferri's Best Test | Plutogenix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/ferris-best-test-lab-guide/id1243450037/reviews)** | — |
| Number of ratings | **26** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 149 MB | 27 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [General Diagnostics International Private Limited](https://appshunter.io/developer/1689356590) |

## What reviewers say

### Ferri's Best Test

[App page](https://appshunter.io/ios/app/ferris-best-test-lab-guide/id1243450037)

This medical reference app provides guidance on laboratory and imaging approaches for over 400 tests and 230 diseases. It features interactive flowcharts, IU units, and concise clinical material to aid in test selection and diagnostic skills.

**Highlights:** Over 400+ tests and labs, Guidance on radio-logic & laboratory approaches, 230+ common diseases, Interactive flowcharts, IU units for all tests, SmartSearch technology

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferri's Best Test - Lab & Diag | $40.99 | one-time |


### Plutogenix

[App page](https://appshunter.io/ios/app/plutogenix/id6752711694)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ferri's Best Test free?

Ferri's Best Test is free to download, with in-app purchases available.

### Is Plutogenix free?

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

### Do Ferri's Best Test or Plutogenix have ads?

Ferri's Best Test shows ads; Plutogenix does not.

### Which is updated more often, Ferri's Best Test or Plutogenix?

Ferri's Best Test ships an update every 6 months, and Plutogenix every 4 days. Most recently, Ferri's Best Test was updated on October 24, 2026 and Plutogenix on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*