# Axsy Smart Vision vs K3D Reader

The clearest difference is update cadence: K3D Reader at every 5 weeks against Axsy Smart Vision's every 4 months. K3D Reader also leads on iOS requirement (11.0 vs 17.0). 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.

Axsy Smart Vision ships an update every 4 months, K3D Reader every 5 weeks. The most recent releases landed on September 13, 2026 and December 24, 2025 respectively.

## The numbers

| Metric | Axsy Smart Vision | K3D Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 99 MB | 30 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Axsy](https://appshunter.io/developer/1407737379) | [Klee Group](https://appshunter.io/developer/449000568) |

## What reviewers say

### Axsy Smart Vision

[App page](https://appshunter.io/ios/app/axsy-smart-vision/id6447315715)

**Features:** macOS Compatibility

**In-app purchases:** none


### K3D Reader

[App page](https://appshunter.io/ios/app/k3d-reader/id6633442261)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Axsy Smart Vision free?

Axsy Smart Vision is free to download, with no in-app purchases.

### Is K3D Reader free?

K3D Reader is free to download, with no in-app purchases.

### Do Axsy Smart Vision or K3D Reader have ads?

Neither Axsy Smart Vision nor K3D Reader shows ads.

### Which is updated more often, Axsy Smart Vision or K3D Reader?

Axsy Smart Vision ships an update every 4 months, and K3D Reader every 5 weeks. Most recently, Axsy Smart Vision was updated on September 13, 2026 and K3D Reader on December 24, 2025.

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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.*