# Russian English Phrase Book vs LabProtocol

The clearest difference is update cadence: LabProtocol at every 11 days against Russian English Phrase Book's every 12 months. Russian English Phrase Book's advantage is device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Russian English Phrase Book sells 1 one-off in-app purchase and LabProtocol sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Russian English Phrase Book ships an update every 12 months, LabProtocol every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Russian English Phrase Book | LabProtocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 12 months | **Every 11 days** |
| Size | 39 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [TOMAS SAROUN](https://appshunter.io/developer/1889510357) |

## What reviewers say

### Russian English Phrase Book

[App page](https://appshunter.io/ios/app/russian-english-phrase-book/id6753886722)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


### LabProtocol

[App page](https://appshunter.io/ios/app/labprotocol/id6761419953)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LabProtocol Pro | $2.99 | per month |


## Frequently asked questions

### Is Russian English Phrase Book free?

Russian English Phrase Book is free to download, with in-app purchases available.

### Is LabProtocol free?

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

### Which is updated more often, Russian English Phrase Book or LabProtocol?

Russian English Phrase Book ships an update every 12 months, and LabProtocol every 11 days. Most recently, Russian English Phrase Book was updated on October 30, 2026 and LabProtocol on October 31, 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.*