# Mentor Books vs Skillfolio

The clearest difference is update cadence: Skillfolio at every 5 weeks against Mentor Books's every 5 months. Skillfolio also leads on iOS requirement (11.0 vs 14.0). On price, ads, 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.

Mentor Books ships an update every 5 months, Skillfolio every 5 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Mentor Books | Skillfolio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Size | 22 MB | 45 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mentor Books](https://appshunter.io/developer/556026395) | [Deverhood HT Co.,Ltd.](https://appshunter.io/developer/1785579550) |

## What reviewers say

### Mentor Books

[App page](https://appshunter.io/ios/app/mentor-books/id556026392)

**Features:** macOS Compatibility

**In-app purchases:** none


### Skillfolio

[App page](https://appshunter.io/ios/app/skillfolio/id6746644844)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mentor Books free?

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

### Is Skillfolio free?

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

### Do Mentor Books or Skillfolio have ads?

Neither Mentor Books nor Skillfolio shows ads.

### Which is updated more often, Mentor Books or Skillfolio?

Mentor Books ships an update every 5 months, and Skillfolio every 5 weeks. Most recently, Mentor Books was updated on October 4, 2026 and Skillfolio on October 8, 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.*