# Pereko SPARK Control vs ebook convert

The clearest difference is in-app purchases: Pereko SPARK Control at none against ebook convert's 3. Pereko SPARK Control also leads on iOS requirement (9.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ebook convert sells 3 in-app purchases, starting at $0.99 per 7 days. Pereko SPARK Control asks for nothing beyond the download.

Pereko SPARK Control ships an update every 3 weeks, ebook convert fortnightly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pereko SPARK Control | ebook convert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (14 ratings)](https://appshunter.io/ios/app/ebook-convert/id6443983103/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 21.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 14 MB | 16 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Horsa Link Srl](https://appshunter.io/developer/973950823) | [同宝 金](https://appshunter.io/developer/1513125037) |

## What reviewers say

### Pereko SPARK Control

[App page](https://appshunter.io/ios/app/pereko-spark-control/id1434312378)

**Features:** macOS Compatibility

**In-app purchases:** none


### ebook convert

[App page](https://appshunter.io/ios/app/ebook-convert/id6443983103)

Easily convert between a wide range of ebook formats like MOBI, EPUB, PDF, and DOCX. Offers unlimited, ad-free conversions for subscribers, with flexible subscription options.

**Highlights:** Mutual conversion of common ebook formats, Supports MOBI, EPUB, PDF, AZW3, DOCX, TXT, and more, Large file conversion for subscribers, Unlimited conversions for subscribers, Ad-free experience for subscribers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eBook Converter - (1 Week) | $0.99 | per 7 days |
| eBook Converter | $6.99 | per year |
| eBook Convert - Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is Pereko SPARK Control free?

Pereko SPARK Control is free to download, with no in-app purchases.

### Is ebook convert free?

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

### Do Pereko SPARK Control or ebook convert have ads?

Neither Pereko SPARK Control nor ebook convert shows ads.

### Which is updated more often, Pereko SPARK Control or ebook convert?

Pereko SPARK Control ships an update every 3 weeks, and ebook convert fortnightly. Most recently, Pereko SPARK Control was updated on October 26, 2026 and ebook convert on October 30, 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.*