# PDD QR vs Oki

The clearest difference is update cadence: Oki at every 4 days against PDD QR's monthly. PDD QR's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDD QR sells 1 in-app purchase, starting at $2.99 per month and Oki sells 11 in-app purchases, starting at $1.00 per month. Whichever you choose, the download price is not the number that matters.

PDD QR ships an update monthly, Oki every 4 days. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | PDD QR | Oki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (391 ratings)](https://appshunter.io/ios/app/oki-language-learning/id6748310130/reviews)** |
| Number of ratings | — | **391** |
| Positive reviews | — | 63.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 98 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Asylzhan Salimkhan](https://appshunter.io/developer/1088922611) | [Alidar Kuchukov](https://appshunter.io/developer/1892225290) |

## What reviewers say

### PDD QR

[App page](https://appshunter.io/ios/app/pdd-qr/id6738917628)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Plan | $2.99 | per month |


### 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 (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oki Promotion Monthly | $1.00 | per month |
| Oki Premium 80% Off 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 |
| Oki Annual | $88.00 | 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


## Frequently asked questions

### Is PDD QR free?

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

### Is Oki free?

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

### Do PDD QR or Oki have ads?

Neither PDD QR nor Oki shows ads.

### Which is updated more often, PDD QR or Oki?

PDD QR ships an update monthly, and Oki every 4 days. Most recently, PDD QR was updated on October 16, 2026 and Oki on October 21, 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.*