# expt vs Vesper

The clearest difference is in-app purchases: expt at none against Vesper's 3. expt also leads on iOS requirement (15.1 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Vesper sells 3 in-app purchases, starting at $2.99 per month. expt asks for nothing beyond the download.

## The numbers

| Metric | expt | Vesper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/expt-file-reader/id6760808933/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 45 MB | 9 MB |
| Requires iOS | **15.1** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arthur Park](https://appshunter.io/developer/1448983841) | [S Tan](https://appshunter.io/developer/1385627600) |

## What reviewers say

### expt

[App page](https://appshunter.io/ios/app/expt-file-reader/id6760808933)

A beautiful, distraction-free reader for all your local files, including EPUBs, PDFs, comics, and text documents. Organize your library, track reading progress, and enjoy a focused reading experience with customizable themes and layouts.

**Highlights:** Read EPUB, PDF, CBZ, CBR, TXT, CSV, code files, Customizable reader themes and typography, Distraction-free reading mode, Library organization with series and tags, Reading progress tracking and stats, iCloud sync for reading positions, 100% local file storage

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

**In-app purchases:** none


### Vesper

[App page](https://appshunter.io/ios/app/vesper-epub-pdf-and-ai-reader/id6768717115)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vesper Premium Monthly | $2.99 | per month |
| Vesper Premium Yearly | $24.99 | per year |
| Book Library Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is expt free?

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

### Is Vesper free?

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

### Do expt or Vesper have ads?

Neither expt nor Vesper shows ads.

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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.*