# Oki vs GoPrep

The clearest difference is review sentiment: Oki at 63% against GoPrep's 0%. Oki also leads on rating (4.4 vs 2.5) and ratings volume (393 vs 6). GoPrep's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Oki sells 10 in-app purchases, starting at $1.00 per month and GoPrep sells 4 in-app purchases, starting at $19.49 per month. Whichever you choose, the download price is not the number that matters.

Oki holds the better App Store score, 4.4 against 2.5. That said, the two scores are not equally well evidenced: Oki has 393 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 63% of Oki's written reviews are positive against 0% of GoPrep's.

Oki ships an update every 5 days, GoPrep every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Oki | GoPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (393 ratings)](https://appshunter.io/ios/app/oki-language-learning/id6748310130/reviews)** | [2.5 (6 ratings)](https://appshunter.io/ios/app/goprep-english-exam-prep/id6787395636/reviews) |
| Number of ratings | **393** | 6 |
| Positive reviews | **63.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 101 MB | 24 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Alidar Kuchukov](https://appshunter.io/developer/1892225290) | [Aleem Labs, TOO](https://appshunter.io/developer/6787395848) |

## What reviewers say

### Oki

[App page](https://appshunter.io/ios/app/oki-language-learning/id6748310130)

Learn English with personalized lessons, speaking and writing practice, and detailed feedback from an AI coach. Create flashcards and track your progress across all language skills. This app offers a comprehensive approach to mastering English.

**Highlights:** Personalized lessons based on interests, Speaking and writing practice, Detailed feedback on mistakes, AI coach for real-time conversation, Flashcard creation, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oki Promotion Monthly | $1.00 | per month |
| Oki Pro One Dollar Discount | $1.99 | per month |
| Oki Pro Monthly 50% Off | $2.99 | per month |
| Oki Premium 50% off Discount | $4.99 | per month |
| Oki Pro Monthly | $5.99 | per month |
| Oki Pro | $9.99 | per month |
| Aleem Monthly | $9.99 | per month |
| Oki Promotion Annual | $10.00 | per year |
| Oki Pro Annual | $29.99 | per year |
| Aleem Annual | $88.00 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Engaging learning experience
- 💡 Innovative AI-powered features
- 🔥 Effective for improving English skills

**What reviewers complain about**

- 🐛 Registration issues
- ⚠️ Limited functionality without registration

**Reported bugs**

- Registration process not working properly

**Requested features**

- Ability to register through third-party accounts
- More language learning options


### GoPrep

[App page](https://appshunter.io/ios/app/goprep-english-exam-prep/id6787395636)

Prepare for IELTS exams with AI-powered mock tests and instant feedback. Get a personalized study plan, practice all four skills, and track your progress with detailed statistics. Improve your vocabulary and speaking with AI tutors.

**Highlights:** AI-powered mock tests for all four IELTS skills, Instant AI feedback on Writing and Speaking, Personalized daily study plans, AI voice tutor for speaking practice, Spaced-repetition vocabulary flashcards, Progress tracking and score predictions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IELTS.GG Premium Monthly | $19.49 | per month |
| IELTS.GG Premium Quarterly | $26.99 | per 3 months |
| IELTS.GG Premium Yearly | $74.99 | per year |
| Master Prep Tool | $23.99 | one-time |


## Frequently asked questions

### Is Oki free?

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

### Is GoPrep free?

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

### Which has better reviews, Oki or GoPrep?

Oki is rated higher. Oki averages 4.4 out of 5 from 393 ratings, while GoPrep averages 2.5 from 6 ratings.

### Do Oki or GoPrep have ads?

Neither Oki nor GoPrep shows ads.

### Which is updated more often, Oki or GoPrep?

Oki ships an update every 5 days, and GoPrep every 3 weeks. Most recently, Oki was updated on November 6, 2026 and GoPrep on November 5, 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.*