# Techline Calculator vs Leafscan

The clearest difference is review sentiment: Leafscan at 100% against Techline Calculator's 25%. Leafscan also leads on rating (5.0 vs 3.1). Techline Calculator's advantage is price (Free vs $19.99) and update cadence (every 2 months vs every 104 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Techline Calculator is free to download; Leafscan costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Leafscan holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews point the same way: 25% of Techline Calculator's written reviews are positive against 100% of Leafscan's.

Techline Calculator ships an update every 2 months, Leafscan every 104 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Techline Calculator | Leafscan |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/techline-calculator/id594292322/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/leafscan/id1254892230/reviews)** |
| Number of ratings | **7** | 6 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 104 months |
| Monetization | **Free** | Paid |
| Size | 10 MB | 46 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Visual Impact Technologies Inc.](https://appshunter.io/developer/511035964) | [Carlos Anderson](https://appshunter.io/developer/1095157042) |

## What reviewers say

### Techline Calculator

[App page](https://appshunter.io/ios/app/techline-calculator/id594292322)

This app assists with landscape design by providing calculations for project supplies, measurements, and dripline placement. It accounts for variables like soil type, plant needs, and irrigation pressure to determine emitter spacing and irrigated area. Results can be saved and recalculated, ensuring adherence to official standards.

**Highlights:** Landscape design calculations, Project supply estimation, Dripline placement guidance, Irrigated area determination, Pressure and flow rate calculations, Emitter spacing computation, Save and recalculate results

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

**In-app purchases:** none


### Leafscan

[App page](https://appshunter.io/ios/app/leafscan/id1254892230)

Instantly measure leaf surface area using your phone's camera. Log and export measurements as a CSV file. Requires a white background with reference markers for accurate results.

**Highlights:** Measure leaf surface area, Log and export measurements, Measure multiple leaves per photo, Import photos from library, Automatic angle correction, Customizable units and thresholds

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

**In-app purchases:** none


## Frequently asked questions

### Is Techline Calculator free?

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

### Is Leafscan free?

Leafscan costs $19.99, with no in-app purchases.

### Which has better reviews, Techline Calculator or Leafscan?

Leafscan is rated higher. Techline Calculator averages 3.1 out of 5 from 7 ratings, while Leafscan averages 5.0 from 6 ratings.

### Do Techline Calculator or Leafscan have ads?

Neither Techline Calculator nor Leafscan shows ads.

### Which is updated more often, Techline Calculator or Leafscan?

Techline Calculator ships an update every 2 months, and Leafscan every 104 months. Most recently, Techline Calculator was updated on September 10, 2026 and Leafscan on September 22, 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.*