# Terrigen vs SlashScan

The clearest difference is update cadence: Terrigen at every 5 weeks against SlashScan's every 6 months. Terrigen also leads on iOS requirement (13.0 vs 16.6). 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.

Terrigen ships an update every 5 weeks, SlashScan every 6 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Terrigen | SlashScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slashscan/id6740838119/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | — | Free |
| Size | 207 MB | 16 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Orbify Poland Sp. z o.o.](https://appshunter.io/developer/1704842179) | [Heesung Woo](https://appshunter.io/developer/1791874369) |

## What reviewers say

### Terrigen

[App page](https://appshunter.io/ios/app/terrigen/id6463726975)

**In-app purchases:** none


### SlashScan

[App page](https://appshunter.io/ios/app/slashscan/id6740838119)

This app uses LiDAR on compatible iPads to scan and estimate the volume of forest slash piles in real-time. It generates 3D models and allows for offline processing, making it ideal for forestry operations and research in remote areas.

**Highlights:** Real-time 3D scanning with LiDAR, Automated 3D mesh reconstruction, Accurate volume estimation, Integrated mapping with GNSS tagging, Offline processing capability, Forest biomass inventory

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Terrigen free?

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

### Is SlashScan free?

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

### Do Terrigen or SlashScan have ads?

Neither Terrigen nor SlashScan shows ads.

### Which is updated more often, Terrigen or SlashScan?

Terrigen ships an update every 5 weeks, and SlashScan every 6 months. Most recently, Terrigen was updated on October 3, 2026 and SlashScan on October 2, 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.*