# Memgrain vs ToothTutor

The clearest difference is in-app purchases: ToothTutor at none against Memgrain's 3. Memgrain's advantage is update cadence (every 2 days vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Memgrain sells 3 in-app purchases, starting at $1.99 per 7 days. ToothTutor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Memgrain against 5.0 for ToothTutor. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Memgrain ships an update every 2 days, ToothTutor monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Memgrain | ToothTutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/memgrain-ai-study-tools/id6769082210/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/toothtutor/id6783563567/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | Freemium | **Free** |
| Size | 42 MB | 47 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Steven Urry](https://appshunter.io/developer/1840513069) | [Yerim Lab LLC](https://appshunter.io/developer/6776811924) |

## What reviewers say

### Memgrain

[App page](https://appshunter.io/ios/app/memgrain-ai-study-tools/id6769082210)

This app transforms your study materials into interactive flashcards and quizzes using AI. It also offers tools for verbatim memorization of texts like quotes and speeches, with progress tracking and customizable reminders.

**Highlights:** AI flashcard and quiz generation, Verbatim text memorization tools, Spaced repetition scheduling, Progress tracking dashboard, Customizable study reminders, Multiple input formats (PDF, DOCX, images, URLs)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Annual | $39.99 | per year |


### ToothTutor

[App page](https://appshunter.io/ios/app/toothtutor/id6783563567)

Explore human tooth anatomy with an interactive 3D model. Rotate, zoom, and open/close the jaw to examine individual teeth and their structures. Learn about classification, function, and permanent dentition.

**Highlights:** Interactive 3D tooth model, Rotate and zoom functionality, Jaw open/close gestures, Individual tooth selection, Universal tooth naming, Detailed single-tooth views, Permanent dentition overview

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Memgrain free?

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

### Is ToothTutor free?

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

### Which has better reviews, Memgrain or ToothTutor?

Memgrain and ToothTutor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Memgrain or ToothTutor have ads?

Neither Memgrain nor ToothTutor shows ads.

### Which is updated more often, Memgrain or ToothTutor?

Memgrain ships an update every 2 days, and ToothTutor monthly. Most recently, Memgrain was updated on November 5, 2026 and ToothTutor 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.*