# Kimbapp vs Sphinx

The clearest difference is ads: Kimbapp at none against Sphinx's shown. Kimbapp also leads on update cadence (every 6 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Kimbapp sells 4 one-off in-app purchases and Sphinx sells 5 in-app purchases, starting at $8.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Kimbapp ships an update every 6 days, Sphinx every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Kimbapp | Sphinx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Size | 30 MB | 88 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Makio](https://appshunter.io/developer/1494264497) | [Nelly Latypova](https://appshunter.io/developer/1150816403) |

## What reviewers say

### Kimbapp

[App page](https://appshunter.io/ios/app/kimbapp/id1595478468)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack 20 Credits Kimbapp | $17.99 | one-time |
| Pack 100 Credits Kimbapp | $69.99 | one-time |
| Pack 200 Credits Kimbapp | $119.99 | one-time |
| Pack 600 Credits Kimbapp | $349.99 | one-time |


### 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 Kimbapp free?

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

### Is Sphinx free?

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

### Do Kimbapp or Sphinx have ads?

Sphinx shows ads; Kimbapp does not.

### Which is updated more often, Kimbapp or Sphinx?

Kimbapp ships an update every 6 days, and Sphinx every 2 weeks. Most recently, Kimbapp was updated on November 3, 2026 and Sphinx on November 4, 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.*