# Fun and practical knowledge vs Robin

The clearest difference is iOS requirement: Fun and practical knowledge at 14.0 against Robin's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Fun and practical knowledge sells 1 one-off in-app purchase and Robin sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fun and practical knowledge ships an update every 10 days, Robin weekly. The most recent releases landed on September 17, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Fun and practical knowledge | Robin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 200 MB | 12 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [博 邢](https://appshunter.io/developer/6775003374) |

## What reviewers say

### Fun and practical knowledge

[App page](https://appshunter.io/ios/app/fun-and-practical-knowledge/id1619591485)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


### Robin

[App page](https://appshunter.io/ios/app/robin-remote-packet-capture/id6775013428)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Robin Pro | $14.99 | one-time |


## Frequently asked questions

### Is Fun and practical knowledge free?

Fun and practical knowledge is free to download, with in-app purchases available.

### Is Robin free?

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

### Do Fun and practical knowledge or Robin have ads?

Neither Fun and practical knowledge nor Robin shows ads.

### Which is updated more often, Fun and practical knowledge or Robin?

Fun and practical knowledge ships an update every 10 days, and Robin weekly. Most recently, Fun and practical knowledge was updated on September 17, 2026 and Robin on September 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*