# Sphinx vs Pyka AI

The clearest difference is ads: Pyka AI at none against Sphinx's shown. Sphinx's advantage is iOS requirement (15.4 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Sphinx sells 5 in-app purchases, starting at $8.49 per 7 days and Pyka AI sells 5 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Sphinx | Pyka AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/pyka-ai-language-learning/id6758245991/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 88 MB | 91 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nelly Latypova](https://appshunter.io/developer/1150816403) | [Diyar Dirik](https://appshunter.io/developer/1849149412) |

## What reviewers say

### Sphinx

[App page](https://appshunter.io/ios/app/sphinx-learn-english-language/id6496851922)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete English Grammar Pro | $8.49 | per 7 days |
| Ultimate English Grammar Pro | $9.49 | per month |
| Advanced English Grammar Pro | $33.90 | per 6 months |
| Pro English Grammar Learning | $34.99 | per year |
| Pro English Grammar Learning | $34.99 | per year |


### Pyka AI

[App page](https://appshunter.io/ios/app/pyka-ai-language-learning/id6758245991)

Practice real-life conversations with an AI coach. Engage in chat or voice mode with realistic scenarios for various social and professional situations. Receive instant feedback and track your progress to speak with confidence.

**Highlights:** AI-powered conversation training, Chat and voice practice, Real-life scenarios, Instant feedback and tips, Progress tracking, Selectable voices

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $19.99 | per month |
| Toky - Yearly plan | $119.99 | per year |
| Starter Pack | $5.99 | one-time |
| Power Pack | $17.99 | one-time |
| Super Pack | $59.99 | one-time |


## Frequently asked questions

### Is Sphinx free?

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

### Is Pyka AI free?

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

### Do Sphinx or Pyka AI have ads?

Sphinx shows ads; Pyka AI does not.

### Which is updated more often, Sphinx or Pyka AI?

Sphinx ships an update every 2 weeks, and Pyka AI every 2 weeks. Most recently, Sphinx was updated on November 8, 2026 and Pyka AI on November 9, 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.*