# Parallel Books vs Lingo7

The clearest difference is review sentiment: Lingo7 at 100% against Parallel Books's 40%. Lingo7 also leads on update cadence (every 2 days vs every 3 months). Parallel Books's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lingo7 sells 2 in-app purchases, starting at $4.99 per month. Parallel Books asks for nothing beyond the download.

Parallel Books ships an update every 3 months, Lingo7 every 2 days. The most recent releases landed on August 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Parallel Books | Lingo7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (6 ratings)](https://appshunter.io/ios/app/lingo7-languages-from-scratch/id6471030440/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 109 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [High Tea IT Limited](https://appshunter.io/developer/1045596663) | [SeYu LLC](https://appshunter.io/developer/1714681094) |

## What reviewers say

### Parallel Books

[App page](https://appshunter.io/ios/app/parallel-books/id1045596664)

Learn a new language by reading books with side-by-side translations. This app keeps translations synchronized as you read, allowing for full immersion. Easily switch between display modes and add notes for a personalized learning experience.

**Highlights:** Dual language display, Synchronized translations, Adjustable display modes, Searchable notes, Day/night themes, Highlighting

**Features:** macOS Compatibility

**In-app purchases:** none


### Lingo7

[App page](https://appshunter.io/ios/app/lingo7-languages-from-scratch/id6471030440)

This app offers an immersive language learning experience through engaging reading and listening content. It helps users build vocabulary, understand grammar in context, and refine pronunciation with smart tools and a vast library of texts.

**Highlights:** Immersive reading with instant translations, Integrated audio for pronunciation practice, Extensive library of books and articles, Spaced repetition for vocabulary retention, Personalized word bank creation, Pronunciation and accent refinement tools

**Features:** macOS Compatibility, Family Sharing, Apple Wallet, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |
| Yearly subscription | $25.00 | per year |


## Frequently asked questions

### Is Parallel Books free?

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

### Is Lingo7 free?

Lingo7 is free to download, with in-app purchases available.

### Do Parallel Books or Lingo7 have ads?

Neither Parallel Books nor Lingo7 shows ads.

### Which is updated more often, Parallel Books or Lingo7?

Parallel Books ships an update every 3 months, and Lingo7 every 2 days. Most recently, Parallel Books was updated on August 28, 2026 and Lingo7 on September 19, 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.*