# MemoAssist™ vs Letter Explainer

The clearest difference is device support: MemoAssist™ at 3 against Letter Explainer's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. MemoAssist™ sells 3 in-app purchases, starting at $5.99 per month and Letter Explainer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

MemoAssist™ ships an update every 3 days, Letter Explainer every 4 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | MemoAssist™ | Letter Explainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/memoassist/id956768332/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Freemium | — |
| Size | 434 MB | 21 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hart Designs](https://appshunter.io/developer/383829849) | [Armen Ter-Oganezov](https://appshunter.io/developer/1723150483) |

## What reviewers say

### MemoAssist™

[App page](https://appshunter.io/ios/app/memoassist/id956768332)

This app provides a visual and audio-based schedule to help individuals manage daily routines. It uses images, icons, and step-by-step guides to simplify complex tasks, making everyday life more predictable and reducing conflicts for those with ADHD, autism, dementia, or brain injuries.

**Highlights:** Visual schedule with images, icons, and colors, Time disc to visualize remaining activity time, Step-by-step task checklists, Customizable voice message instructions, Remote calendar updates via companion app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $5.99 | per month |
| Premium Subscription | $49.99 | per year |
| Premium | $97.99 | one-time |


### Letter Explainer

[App page](https://appshunter.io/ios/app/letter-explainer-postklar/id6816644992)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postklar Pro Monthly | $3.99 | per month |
| Postklar Pro Yearly | $24.99 | per year |
| 5 Scans | $2.99 | one-time |


## Frequently asked questions

### Is MemoAssist™ free?

MemoAssist™ is free to download, with in-app purchases available.

### Is Letter Explainer free?

Letter Explainer is free to download, with in-app purchases available.

### Do MemoAssist™ or Letter Explainer have ads?

Neither MemoAssist™ nor Letter Explainer shows ads.

### Which is updated more often, MemoAssist™ or Letter Explainer?

MemoAssist™ ships an update every 3 days, and Letter Explainer every 4 days. Most recently, MemoAssist™ was updated on October 10, 2026 and Letter Explainer on October 19, 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.*