# Techline Calculator vs Growlink

The clearest difference is rating: Techline Calculator at 3.1 against Growlink's 1.8. Techline Calculator also leads on ads (none vs shown) and monetization model (free vs ad-supported). Growlink's advantage is review sentiment (62% vs 25%). On price, ratings volume, update cadence 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.

Techline Calculator holds the better App Store score, 3.1 against 1.8. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews complicate that: 25% of Techline Calculator's written reviews are positive against 62% of Growlink's, so the app with the better star average is not the one people write more warmly about.

Techline Calculator ships an update every 2 months, Growlink monthly. The most recent releases landed on September 10, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | Techline Calculator | Growlink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/techline-calculator/id594292322/reviews)** | [1.8 (5 ratings)](https://appshunter.io/ios/app/growlink/id1108096591/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | 25.0% of reviews | **61.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 46 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Visual Impact Technologies Inc.](https://appshunter.io/developer/511035964) | [Hydropods, Inc.](https://appshunter.io/developer/1108096590) |

## 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


### Growlink

[App page](https://appshunter.io/ios/app/growlink/id1108096591)

Manage your agricultural operations remotely with this app. It offers seamless integration with irrigation, climate, and nutrient delivery systems for intuitive control of single or multiple facilities.

**Highlights:** Remote irrigation control, Climate management, Nutrient delivery system integration, Multi-facility operation, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Techline Calculator free?

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

### Is Growlink free?

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

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

Techline Calculator is rated higher. Techline Calculator averages 3.1 out of 5 from 7 ratings, while Growlink averages 1.8 from 5 ratings.

### Do Techline Calculator or Growlink have ads?

Growlink shows ads; Techline Calculator does not.

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

Techline Calculator ships an update every 2 months, and Growlink monthly. Most recently, Techline Calculator was updated on September 10, 2026 and Growlink on July 18, 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.*