# SkillApp vs Sphinx

The clearest difference is in-app purchases: SkillApp at none against Sphinx's 6. SkillApp also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.4). On price 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. SkillApp asks for nothing beyond the download.

## The numbers

| Metric | SkillApp | Sphinx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 17 MB | 88 MB |
| Requires iOS | **9.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mukhamedkarimova Aneliya](https://appshunter.io/developer/1411585379) | [Nelly Latypova](https://appshunter.io/developer/1150816403) |

## What reviewers say

### SkillApp

[App page](https://appshunter.io/ios/app/skillapp-knowledge-transfer/id1484180952)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SkillApp free?

SkillApp is free to download, with no in-app purchases.

### Is Sphinx free?

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

### Do SkillApp or Sphinx have ads?

Sphinx shows ads; SkillApp does not.

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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.*