# Libra reader vs Episteme

The clearest difference is update cadence: Episteme at every 2 days against Libra reader's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Libra reader sells 2 in-app purchases, starting at $1.99 per month and Episteme sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Libra reader ships an update monthly, Episteme every 2 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Libra reader | Episteme |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 74 MB | 99 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sergei Mikhailov](https://appshunter.io/developer/6782043188) | [Aryan Raj](https://appshunter.io/developer/6803775135) |

## What reviewers say

### Libra reader

[App page](https://appshunter.io/ios/app/libra-reader/id6782043006)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Libra Pro – Monthly | $1.99 | per month |
| Libra Pro – Yearly | $19.99 | per year |


### Episteme

[App page](https://appshunter.io/ios/app/episteme-pdf-and-ebook-reader/id6803775133)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Episteme Pro | $5.99 | one-time |


## Frequently asked questions

### Is Libra reader free?

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

### Is Episteme free?

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

### Do Libra reader or Episteme have ads?

Neither Libra reader nor Episteme shows ads.

### Which is updated more often, Libra reader or Episteme?

Libra reader ships an update monthly, and Episteme every 2 days. Most recently, Libra reader was updated on October 7, 2026 and Episteme 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.*