# SlashScan vs TreeRings

The clearest difference is price: SlashScan at Free against TreeRings's $0.99. SlashScan also leads on rating (5.0 vs 1.3) and iOS requirement (16.6 vs 18.4). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

SlashScan is free to download; TreeRings costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SlashScan holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

SlashScan ships an update every 6 months, TreeRings every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SlashScan | TreeRings |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slashscan/id6740838119/reviews)** | [1.3 (4 ratings)](https://appshunter.io/ios/app/treerings/id6751566746/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | **Free** | Paid |
| Size | 16 MB | 1 MB |
| Requires iOS | **16.6** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Heesung Woo](https://appshunter.io/developer/1791874369) | [Mohamed Abdelsalam](https://appshunter.io/developer/553109131) |

## What reviewers say

### 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


### TreeRings

[App page](https://appshunter.io/ios/app/treerings/id6751566746)

Analyze tree cross-sections to estimate age and understand past growing conditions. Discover historical climate patterns by comparing data from multiple trees.

**Highlights:** Estimate tree age by counting growth rings, Analyze yearly growing conditions, Discover historical climate patterns, Simple photo analysis, Insights for hikers and foresters

**In-app purchases:** none


## Frequently asked questions

### Is SlashScan free?

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

### Is TreeRings free?

TreeRings costs $0.99, with no in-app purchases.

### Which has better reviews, SlashScan or TreeRings?

SlashScan is rated higher. SlashScan averages 5.0 out of 5 from 2 ratings, while TreeRings averages 1.3 from 4 ratings.

### Do SlashScan or TreeRings have ads?

Neither SlashScan nor TreeRings shows ads.

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

SlashScan ships an update every 6 months, and TreeRings every 4 months. Most recently, SlashScan was updated on October 24, 2026 and TreeRings on October 25, 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.*