# Knockdog vs MAPIN

The clearest difference is update cadence: MAPIN at every 9 days against Knockdog's every 3 months. MAPIN also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Knockdog ships an update every 3 months, MAPIN every 9 days. Both last shipped on October 10, 2026.

## The numbers

| Metric | Knockdog | MAPIN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 35 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [eunhee gwak](https://appshunter.io/developer/1744130117) | [SWYG](https://appshunter.io/developer/1809607175) |

## What reviewers say

### Knockdog

[App page](https://appshunter.io/ios/app/knockdog/id6754978978)

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

**In-app purchases:** none


### MAPIN

[App page](https://appshunter.io/ios/app/mapin/id6761400852)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knockdog free?

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

### Is MAPIN free?

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

### Do Knockdog or MAPIN have ads?

Neither Knockdog nor MAPIN shows ads.

### Which is updated more often, Knockdog or MAPIN?

Knockdog ships an update every 3 months, and MAPIN every 9 days. Most recently, Knockdog was updated on October 10, 2026 and MAPIN on October 10, 2026.

---

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