# mNemo vs Parent SDU

The clearest difference is ads: Parent SDU at none against mNemo's shown. Parent SDU also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). 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.

mNemo ships an update every 3 months, Parent SDU every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | mNemo | Parent SDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mnemo-memory-training/id1546896959/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 70 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [SERGE GERMAN](https://appshunter.io/developer/6814469002) | [SDUTechnopark](https://appshunter.io/developer/1326481043) |

## What reviewers say

### mNemo

[App page](https://appshunter.io/ios/app/mnemo-memory-training/id1546896959)

This app helps you improve your memory using proven mnemonic techniques. Learn to recall dates, names, passwords, and more with ease. It's designed to make learning and remembering anything more accessible.

**Highlights:** Mnemonic technique training, Memorize dates and names, Recall passwords easily, Improve learning retention, Accessible memory improvement

**In-app purchases:** none


### Parent SDU

[App page](https://appshunter.io/ios/app/parent-sdu/id6757148768)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mNemo free?

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

### Is Parent SDU free?

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

### Do mNemo or Parent SDU have ads?

mNemo shows ads; Parent SDU does not.

### Which is updated more often, mNemo or Parent SDU?

mNemo ships an update every 3 months, and Parent SDU every 3 weeks. Most recently, mNemo was updated on November 3, 2026 and Parent SDU on November 5, 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.*