# Spello vs Oki

The clearest difference is ads: Oki at none against Spello's shown. Spello's advantage is iOS requirement (12.0 vs 17.0). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Spello sells 1 in-app purchase, starting at $2.49 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.

Spello ships an update every 8 days, Oki every 4 days. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Spello | Oki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (392 ratings)](https://appshunter.io/ios/app/oki-language-learning/id6748310130/reviews)** |
| Number of ratings | — | **392** |
| Positive reviews | 62.5% of reviews | **63.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 98 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sergei Gavrilko](https://appshunter.io/developer/1478871115) | [Alidar Kuchukov](https://appshunter.io/developer/1892225290) |

## What reviewers say

### Spello

[App page](https://appshunter.io/ios/app/spello/id1478871386)

Expand your English vocabulary with curated word sets tailored to your proficiency level, from beginner to advanced. Prepare for international exams and track your daily progress with intuitive statistics to build a consistent learning habit.

**Highlights:** Level-based word sets (A1-C2), Preparation for Cambridge Exams, Progress tracking and statistics, Daily learning habit builder, Vocabulary expansion

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Полный доступ | $2.49 | 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 Spello free?

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

### Is Oki free?

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

### Do Spello or Oki have ads?

Spello shows ads; Oki does not.

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

Spello ships an update every 8 days, and Oki every 4 days. Most recently, Spello was updated on October 17, 2026 and Oki on October 28, 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.*