# Teach Yourself Library vs PekiBook

The clearest difference is review sentiment: PekiBook at 100% against Teach Yourself Library's 31%. PekiBook also leads on rating (5.0 vs 3.9) and update cadence (weekly vs every 4 months). Teach Yourself Library's advantage is ratings volume (143 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Teach Yourself Library sells 16 one-off in-app purchases and PekiBook sells 7 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

PekiBook holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Teach Yourself Library has 143 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 31% of Teach Yourself Library's written reviews are positive against 100% of PekiBook's.

Teach Yourself Library ships an update every 4 months, PekiBook weekly. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Teach Yourself Library | PekiBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (143 ratings)](https://appshunter.io/ios/app/teach-yourself-library/id1143087176/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pekibook/id6738271247/reviews)** |
| Number of ratings | **143** | 2 |
| Positive reviews | 30.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 96 MB | 202 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hachette UK (Holdings)Limited](https://appshunter.io/developer/361205465) | [Erenay Kaya](https://appshunter.io/developer/1779886045) |

## What reviewers say

### Teach Yourself Library

[App page](https://appshunter.io/ios/app/teach-yourself-library/id1143087176)

Access free audio and learning resources to supplement your studies. Download materials to your personal library for anytime, anywhere learning. Sync your content across devices for a seamless experience.

**Highlights:** Free audio resources, Learning materials, Offline access, Cross-device syncing, Downloadable content

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 2 Tokens | $1.99 | one-time |
| Pack of 3 Tokens | $2.99 | one-time |
| Pack of 10 Tokens | $9.99 | one-time |
| Pack of 11 Tokens | $10.99 | one-time |
| Pack of 13 Tokens | $12.99 | one-time |
| Pack of 15 Tokens | $14.99 | one-time |
| Pack of 17 Tokens | $16.99 | one-time |
| Pack of 18 Tokens | $17.99 | one-time |
| Pack of 20 Tokens | $19.99 | one-time |
| Pack of 25 Tokens | $24.99 | one-time |
| Pack of 26 Tokens | $25.99 | one-time |
| Pack of 27 Tokens | $26.99 | one-time |
| Pack of 30 Tokens | $29.99 | one-time |
| Pack of 35 Tokens | $34.99 | one-time |
| Pack of 50 Credits | $49.99 | one-time |
| Pack of 51 Credits | $50.99 | one-time |

**What reviewers like**

- 👍 Good content of books
- 👍 Helpful for language learning
- 👍 Clear audio pronunciation
- 👍 Easy to navigate interface
- 👍 Free titles available

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 App doesn't open or crashes on launch
- 🐛 Audio playback issues
- 🐛 Downloads fail
- 🐛 Poor user experience

**Reported bugs**

- App doesn't open
- Crashes on launch
- Downloads not working
- App keeps logging off
- App not opening on iPhone

**Requested features**

- Track repeat functionality
- More exercises, words, and grammar
- Chapters listed as default
- Shorter jump forward/back options
- Audio player on lock screen


### PekiBook

[App page](https://appshunter.io/ios/app/pekibook/id6738271247)

Master Turkish with a comprehensive, adaptive learning system. This app offers bite-sized lessons, engaging games, and personalized feedback to guide you from beginner to advanced levels. Track your progress with motivating rewards and real-life dialogue practice.

**Highlights:** Adaptive learning paths, Daily focused tasks, Vocabulary and grammar games, Listening and speaking drills, Real-life dialogue trainer, A1-C2 curriculum, Progress tracking and rewards

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $9.99 | per month |
| 20 Gems | $0.99 | one-time |
| 100 Gems | $3.99 | one-time |
| 300 Gems | $9.99 | one-time |
| 700 Gems | $19.99 | one-time |
| 2000 Gems | $49.99 | one-time |
| 5000 Gems | $99.99 | one-time |


## Frequently asked questions

### Is Teach Yourself Library free?

Teach Yourself Library is free to download, with in-app purchases available.

### Is PekiBook free?

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

### Which has better reviews, Teach Yourself Library or PekiBook?

PekiBook is rated higher. Teach Yourself Library averages 3.9 out of 5 from 143 ratings, while PekiBook averages 5.0 from 2 ratings.

### Do Teach Yourself Library or PekiBook have ads?

Neither Teach Yourself Library nor PekiBook shows ads.

### Which is updated more often, Teach Yourself Library or PekiBook?

Teach Yourself Library ships an update every 4 months, and PekiBook weekly. Most recently, Teach Yourself Library was updated on October 21, 2026 and PekiBook on October 4, 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.*