# Mnemonics Maker vs MedDiffDx

The clearest difference is price: Mnemonics Maker at Free against MedDiffDx's $3.99. Mnemonics Maker also leads on iOS requirement (13.0 vs 16). MedDiffDx's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). On ads and device support there is nothing between them.

Mnemonics Maker is free to download; MedDiffDx costs $3.99 up front. Mnemonics Maker sells 1 one-off in-app purchase. MedDiffDx asks for nothing beyond the download.

Mnemonics Maker ships an update every 2 months, MedDiffDx weekly. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Mnemonics Maker | MedDiffDx |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 53 MB | 13 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Keith Harryman](https://appshunter.io/developer/1693739510) | [worawit tantaopas](https://appshunter.io/developer/1833368157) |

## What reviewers say

### Mnemonics Maker

[App page](https://appshunter.io/ios/app/mnemonics-maker/id6470495962)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads on Mnemonics Maker | $0.99 | one-time |


### MedDiffDx

[App page](https://appshunter.io/ios/app/meddiffdx-internal-medicine/id6751080004)

**In-app purchases:** none


## Frequently asked questions

### Is Mnemonics Maker free?

Mnemonics Maker is free to download, with in-app purchases available.

### Is MedDiffDx free?

MedDiffDx costs $3.99, with no in-app purchases.

### Do Mnemonics Maker or MedDiffDx have ads?

Neither Mnemonics Maker nor MedDiffDx shows ads.

### Which is updated more often, Mnemonics Maker or MedDiffDx?

Mnemonics Maker ships an update every 2 months, and MedDiffDx weekly. Most recently, Mnemonics Maker was updated on September 20, 2026 and MedDiffDx on September 13, 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.*