# Techline Calculator vs Grungard

The clearest difference is update cadence: Grungard at fortnightly against Techline Calculator's every 2 months. 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.

Techline Calculator ships an update every 2 months, Grungard fortnightly. The most recent releases landed on October 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Techline Calculator | Grungard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/techline-calculator/id594292322/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 10 MB | 96 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) | [Grüngard](https://appshunter.io/developer/1798108619) |

## 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


### Grungard

[App page](https://appshunter.io/ios/app/grungard/id1632826444)

**Features:** 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 Grungard free?

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

### Do Techline Calculator or Grungard have ads?

Neither Techline Calculator nor Grungard shows ads.

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

Techline Calculator ships an update every 2 months, and Grungard fortnightly. Most recently, Techline Calculator was updated on October 23, 2026 and Grungard on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*