# ProLiteracy eBook Reader vs OnSecure eBook Reader

The clearest difference is update cadence: OnSecure eBook Reader at every 2 months against ProLiteracy eBook Reader's every 10 months. 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.

ProLiteracy eBook Reader ships an update every 10 months, OnSecure eBook Reader every 2 months. The most recent releases landed on September 8, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | ProLiteracy eBook Reader | OnSecure eBook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/onsecure-ebook-reader/id6453166683/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 86 MB | 108 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProLiteracy Worldwide](https://appshunter.io/developer/465340278) | [OnFulfillment Inc.](https://appshunter.io/developer/1699207607) |

## What reviewers say

### ProLiteracy eBook Reader

[App page](https://appshunter.io/ios/app/proliteracy-ebook-reader/id6447296461)

**Features:** macOS Compatibility

**In-app purchases:** none


### OnSecure eBook Reader

[App page](https://appshunter.io/ios/app/onsecure-ebook-reader/id6453166683)

This application offers an interactive eBook reading experience with a fresh design. It integrates books with videos, audio, images, and interactive elements to enhance learning and engagement.

**Highlights:** Interactive eBook reader, Integrated videos and audio, Image banks, Synched audio, Book download capabilities, Engaging learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProLiteracy eBook Reader free?

ProLiteracy eBook Reader is free to download, with no in-app purchases.

### Is OnSecure eBook Reader free?

OnSecure eBook Reader is free to download, with no in-app purchases.

### Do ProLiteracy eBook Reader or OnSecure eBook Reader have ads?

Neither ProLiteracy eBook Reader nor OnSecure eBook Reader shows ads.

### Which is updated more often, ProLiteracy eBook Reader or OnSecure eBook Reader?

ProLiteracy eBook Reader ships an update every 10 months, and OnSecure eBook Reader every 2 months. Most recently, ProLiteracy eBook Reader was updated on September 8, 2026 and OnSecure eBook Reader on June 5, 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.*