# Mentor AI vs PubCoder Shelf Showcase

The clearest difference is rating: PubCoder Shelf Showcase at 5.0 against Mentor AI's 1.0. PubCoder Shelf Showcase also leads on in-app purchases (none vs 4). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Mentor AI sells 4 in-app purchases, starting at $2.99 per month. PubCoder Shelf Showcase asks for nothing beyond the download.

PubCoder Shelf Showcase holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mentor AI ships an update every 3 months, PubCoder Shelf Showcase every 2 months. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Mentor AI | PubCoder Shelf Showcase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mentor-ai-smart-study-planner/id1263472115/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pubcoder-shelf-showcase/id1611378486/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 102 MB | 91 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aysha Sehar](https://appshunter.io/developer/1263063556) | [PubCoder](https://appshunter.io/developer/918409960) |

## What reviewers say

### Mentor AI

[App page](https://appshunter.io/ios/app/mentor-ai-smart-study-planner/id1263472115)

This AI-powered application acts as a personal tutor, homework helper, and study planner. It can summarize notes, generate quizzes from study material, and create personalized study schedules. Users can also chat with an AI study buddy for explanations and share notes and quizzes with friends.

**Highlights:** AI-powered note summarization and organization, Instant quiz generation from notes or topics, Personalized AI study planner creation, AI homework helper for problem-solving, AI study buddy chat for explanations, Share notes and quizzes with friends, Progress tracking and academic achievement dashboard

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| 50 | $0.99 | one-time |
| 100 credits | $1.49 | one-time |
| 500 credits | $2.99 | one-time |


### PubCoder Shelf Showcase

[App page](https://appshunter.io/ios/app/pubcoder-shelf-showcase/id1611378486)

Explore a curated collection of interactive publications, PDFs, and audiobooks created by global publishers. Discover engaging digital content showcasing innovative storytelling and educational materials.

**Highlights:** Interactive publications, PDF support, Audiobook playback, Global publisher content, Digital content showcase

**In-app purchases:** none


## Frequently asked questions

### Is Mentor AI free?

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

### Is PubCoder Shelf Showcase free?

PubCoder Shelf Showcase is free to download, with no in-app purchases.

### Which has better reviews, Mentor AI or PubCoder Shelf Showcase?

PubCoder Shelf Showcase is rated higher. Mentor AI averages 1.0 out of 5 from 1 ratings, while PubCoder Shelf Showcase averages 5.0 from 1 ratings.

### Do Mentor AI or PubCoder Shelf Showcase have ads?

Neither Mentor AI nor PubCoder Shelf Showcase shows ads.

### Which is updated more often, Mentor AI or PubCoder Shelf Showcase?

Mentor AI ships an update every 3 months, and PubCoder Shelf Showcase every 2 months. Most recently, Mentor AI was updated on September 26, 2026 and PubCoder Shelf Showcase on October 1, 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.*