# eBook Studio vs iDevTools

The clearest difference is update cadence: eBook Studio at every 8 days against iDevTools's every 3 months. eBook Studio also leads on iOS requirement (12.0 vs 17.0). iDevTools's advantage is chart position (#47 vs #142). On price, ads, in-app purchases and device support there is nothing between them.

eBook Studio costs $0.99 and iDevTools $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

eBook Studio ships an update every 8 days, iDevTools every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | eBook Studio | iDevTools |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | — | Paid |
| Best chart rank | #142 | **#47** |
| Size | 31 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) | [奕 徐](https://appshunter.io/developer/1896745683) |

## What reviewers say

### eBook Studio

[App page](https://appshunter.io/ios/app/ebook-studio-create-and-publish/id6756200055)

**Currently charting:** #142 Top Paid · Developer Tools (US App Store)

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

**In-app purchases:** none


### iDevTools

[App page](https://appshunter.io/ios/app/idevtools/id6782373788)

**Currently charting:** #47 Top Paid · Developer Tools (US App Store)

This app brings desktop-class web developer tools to Safari on mobile devices. Inspect and edit web pages, run JavaScript, monitor network requests, and manage storage directly from your iPhone or iPad.

**Highlights:** Inspect HTML and CSS, Edit web pages, Run JavaScript in Console, View Network requests, Manage Cookies and Storage, Browse Sources, Audit pages

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

**In-app purchases:** none


## Frequently asked questions

### Is eBook Studio free?

eBook Studio costs $0.99, with no in-app purchases.

### Is iDevTools free?

iDevTools costs $0.99, with no in-app purchases.

### Do eBook Studio or iDevTools have ads?

Neither eBook Studio nor iDevTools shows ads.

### Which is updated more often, eBook Studio or iDevTools?

eBook Studio ships an update every 8 days, and iDevTools every 3 months. Most recently, eBook Studio was updated on October 24, 2026 and iDevTools on October 24, 2026.

### Which is more popular, eBook Studio or iDevTools?

eBook Studio currently peaks at #142 in the App Store charts, and iDevTools at #47. Chart position reflects recent download velocity rather than total install base.

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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.*