# UBSM vs EPUB & PDF Reader

The clearest difference is in-app purchases: UBSM at none against EPUB & PDF Reader's 3. UBSM also leads on iOS requirement (15.6 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EPUB & PDF Reader sells 3 in-app purchases, starting at $3.99 per month. UBSM asks for nothing beyond the download.

UBSM ships an update monthly, EPUB & PDF Reader fortnightly. Both last shipped on October 14, 2026.

## The numbers

| Metric | UBSM | EPUB & PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epub-and-pdf-reader-readgio/id6757845515/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 52 MB | 44 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xentral Methods](https://appshunter.io/developer/464707106) | [Anna Sadnova](https://appshunter.io/developer/1832117340) |

## What reviewers say

### UBSM

[App page](https://appshunter.io/ios/app/ubsm/id741995501)

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

**In-app purchases:** none


### EPUB & PDF Reader

[App page](https://appshunter.io/ios/app/epub-and-pdf-reader-readgio/id6757845515)

This app allows you to read EPUB and PDF files with automatic tracking of your reading progress, speed, and streaks. It offers a consistent reading experience for both formats and lets you save favorite quotes with reminders.

**Highlights:** EPUB and PDF reading, Automatic reading statistics, Track reading progress and streaks, Save and revisit favorite quotes, Offline access to books, Consistent reading experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro: monthly | $3.99 | per month |
| Pro: annual | $25.99 | per year |
| Pro: lifetime | $39.99 | one-time |


## Frequently asked questions

### Is UBSM free?

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

### Is EPUB & PDF Reader free?

EPUB & PDF Reader is free to download, with in-app purchases available.

### Do UBSM or EPUB & PDF Reader have ads?

Neither UBSM nor EPUB & PDF Reader shows ads.

### Which is updated more often, UBSM or EPUB & PDF Reader?

UBSM ships an update monthly, and EPUB & PDF Reader fortnightly. Most recently, UBSM was updated on October 14, 2026 and EPUB & PDF Reader on October 14, 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.*