# K2 Horizon vs Ask71

The clearest difference is iOS requirement: K2 Horizon at 15.0 against Ask71's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

K2 Horizon ships an update every 5 days, Ask71 every 6 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | K2 Horizon | Ask71 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Size | 43 MB | 46 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Mohamed bin Zayed University of Artificial Intelligence](https://appshunter.io/developer/1809622856) | [AI71 LLC](https://appshunter.io/developer/1812861409) |

## What reviewers say

### K2 Horizon

[App page](https://appshunter.io/ios/app/k2-horizon/id6744862356)

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

**In-app purchases:** none


### Ask71

[App page](https://appshunter.io/ios/app/ask71/id6745548914)

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

**In-app purchases:** none


## Frequently asked questions

### Is K2 Horizon free?

K2 Horizon is free to download, with no in-app purchases.

### Is Ask71 free?

Ask71 is free to download, with no in-app purchases.

### Do K2 Horizon or Ask71 have ads?

Neither K2 Horizon nor Ask71 shows ads.

### Which is updated more often, K2 Horizon or Ask71?

K2 Horizon ships an update every 5 days, and Ask71 every 6 days. Most recently, K2 Horizon was updated on October 30, 2026 and Ask71 on October 30, 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.*