# SkillForge vs Book Shelfie

The clearest difference is in-app purchases: Book Shelfie at none against SkillForge's 11. Book Shelfie also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). SkillForge's advantage is iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. SkillForge sells 11 in-app purchases, starting at $1.99 per month. Book Shelfie asks for nothing beyond the download.

SkillForge ships an update every 3 weeks, Book Shelfie every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SkillForge | Book Shelfie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 70 MB | 23 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ANASTASIYA BATURYNA](https://appshunter.io/developer/1869930793) | [Sampath Bommakanti](https://appshunter.io/developer/1842885797) |

## What reviewers say

### SkillForge

[App page](https://appshunter.io/ios/app/skillforge-skill-tracker/id6752994402)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Monthly Best Offer Ever | $1.99 | per month |
| VIP Monthly 60% Off | $3.19 | per month |
| VIP Monthly 50% Off | $3.99 | per month |
| VIP Monthly 3 days free | $7.99 | per month |
| VIP 1 Month | $7.99 | per month |
| VIP Yearly 85% Off | $15.99 | per year |
| VIP Annual 60% Off | $15.99 | per year |
| VIP Annual 60 % Off 3 days free | $23.99 | per year |
| VIP Yearly | $39.99 | per year |
| VIP Annual | $39.99 | per year |
| VIP Lifetime | $59.99 | one-time |


### Book Shelfie

[App page](https://appshunter.io/ios/app/book-shelfie/id6753343399)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SkillForge free?

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

### Is Book Shelfie free?

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

### Do SkillForge or Book Shelfie have ads?

SkillForge shows ads; Book Shelfie does not.

### Which is updated more often, SkillForge or Book Shelfie?

SkillForge ships an update every 3 weeks, and Book Shelfie every 3 days. Most recently, SkillForge was updated on October 24, 2026 and Book Shelfie on October 28, 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.*