# TechTools App vs SEKONIC LD

The clearest difference is price: SEKONIC LD at Free against TechTools App's $4.00. SEKONIC LD also leads on update cadence (every 9 months vs every 25 months). TechTools App's advantage is in-app purchases (none vs 2) and iOS requirement (14.1 vs 16.0). On ads and device support there is nothing between them.

SEKONIC LD is free to download; TechTools App costs $4.00 up front. SEKONIC LD sells 2 in-app purchases, starting at $49.99 per 3 months. TechTools App asks for nothing beyond the download.

TechTools App ships an update every 25 months, SEKONIC LD every 9 months. The most recent releases landed on October 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | TechTools App | SEKONIC LD |
| --- | --- | --- |
| Price | $4.00 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 9 months** |
| Monetization | Paid | — |
| Size | 16 MB | 33 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Noe Loridan](https://appshunter.io/developer/1515594299) | [Sekonic](https://appshunter.io/developer/1526265807) |

## What reviewers say

### TechTools App

[App page](https://appshunter.io/ios/app/techtools-app/id1515594300)

This app provides essential tools for lighting technicians, desk operators, and network administrators. It includes calculators for DMX addressing, IP addresses, and beam calculations, along with various useful converters for technical data.

**Highlights:** DMX addressing wizard, IP address and class calculator, Color code reference, Beam calculator, Electrical cable color codes, Ingress Protection Code guide, Technical data converters

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

**In-app purchases:** none


### SEKONIC LD

[App page](https://appshunter.io/ios/app/sekonic-ld/id6478847348)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months subscription | $49.99 | per 3 months |
| 12 months subscription | $119.99 | per year |


## Frequently asked questions

### Is TechTools App free?

TechTools App costs $4.00, with no in-app purchases.

### Is SEKONIC LD free?

SEKONIC LD is free to download, with in-app purchases available.

### Do TechTools App or SEKONIC LD have ads?

Neither TechTools App nor SEKONIC LD shows ads.

### Which is updated more often, TechTools App or SEKONIC LD?

TechTools App ships an update every 25 months, and SEKONIC LD every 9 months. Most recently, TechTools App was updated on October 8, 2026 and SEKONIC LD on September 15, 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.*