# Rivro vs Book Memo

The clearest difference is update cadence: Book Memo at every 2 days against Rivro's every 2 months. Rivro's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Rivro sells 1 one-off in-app purchase and Book Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rivro ships an update every 2 months, Book Memo every 2 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Rivro | Book Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 51 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vaneet Gupta](https://appshunter.io/developer/6780653197) | [丽佳 施](https://appshunter.io/developer/1894580777) |

## What reviewers say

### Rivro

[App page](https://appshunter.io/ios/app/rivro-gutenberg-reader/id6780653195)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $29.99 | one-time |


### Book Memo

[App page](https://appshunter.io/ios/app/book-memo-reading-log/id6793607401)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Rivro free?

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

### Is Book Memo free?

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

### Do Rivro or Book Memo have ads?

Both Rivro and Book Memo show ads.

### Which is updated more often, Rivro or Book Memo?

Rivro ships an update every 2 months, and Book Memo every 2 days. Most recently, Rivro was updated on October 24, 2026 and Book Memo on October 21, 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.*