# Lambda Lingua vs Peck Check

The clearest difference is iOS requirement: Peck Check at 15.0 against Lambda Lingua's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lambda Lingua sells 2 in-app purchases, starting at $2.49 per month and Peck Check sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Lambda Lingua | Peck Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lambda-lingua-learn-greek/id6764751198/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Freemium | — |
| Size | 88 MB | 42 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [VIKTOR CHEBEREV](https://appshunter.io/developer/1895903650) | [梓文 李](https://appshunter.io/developer/1407103016) |

## What reviewers say

### Lambda Lingua

[App page](https://appshunter.io/ios/app/lambda-lingua-learn-greek/id6764751198)

Master Greek with a comprehensive trainer for reading, listening, writing, and speaking. Features smart flashcards, level-graded texts, AI-powered writing feedback, and offline functionality. Prepare for exams and build vocabulary effectively.

**Highlights:** Smart flashcards with spaced repetition, Level-graded Greek reading texts, AI-powered writing practice with feedback, On-device speech recognition for speaking practice, Offline functionality, Grammar reference by level

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lambda Lingua PRO | $2.49 | per month |
| Lambda Lingua PRO | $24.99 | per year |


### Peck Check

[App page](https://appshunter.io/ios/app/peck-check-writing-feedback/id6799793293)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly Premium | $6.99 | per month |
| Advanced Monthly Premium | $12.99 | per month |


## Frequently asked questions

### Is Lambda Lingua free?

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

### Is Peck Check free?

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

### Do Lambda Lingua or Peck Check have ads?

Neither Lambda Lingua nor Peck Check shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*