# K3D Reader vs DotActiv TrueView

The clearest difference is iOS requirement: K3D Reader at 11.0 against DotActiv TrueView's 16.0. 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.

K3D Reader ships an update every 5 weeks, DotActiv TrueView monthly. The most recent releases landed on December 24, 2025 and September 13, 2026 respectively.

## The numbers

| Metric | K3D Reader | DotActiv TrueView |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 30 MB | 28 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Klee Group](https://appshunter.io/developer/449000568) | [DotActiv](https://appshunter.io/developer/1830226711) |

## What reviewers say

### K3D Reader

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DotActiv TrueView

[App page](https://appshunter.io/ios/app/dotactiv-trueview/id6749370535)

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

**In-app purchases:** none


## Frequently asked questions

### Is K3D Reader free?

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

### Is DotActiv TrueView free?

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

### Do K3D Reader or DotActiv TrueView have ads?

Neither K3D Reader nor DotActiv TrueView shows ads.

### Which is updated more often, K3D Reader or DotActiv TrueView?

K3D Reader ships an update every 5 weeks, and DotActiv TrueView monthly. Most recently, K3D Reader was updated on December 24, 2025 and DotActiv TrueView on September 13, 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.*