# LEDWallCalc vs 7909 Certification

The clearest difference is price: 7909 Certification at Free against LEDWallCalc's $2.99. 7909 Certification also leads on rating (5.0 vs 3.8) and review sentiment (100% vs 65%). LEDWallCalc's advantage is in-app purchases (none vs 3) and ratings volume (8 vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

7909 Certification is free to download; LEDWallCalc costs $2.99 up front. 7909 Certification sells 3 one-off in-app purchases. LEDWallCalc asks for nothing beyond the download.

7909 Certification holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: LEDWallCalc has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 65% of LEDWallCalc's written reviews are positive against 100% of 7909 Certification's.

LEDWallCalc ships an update every 2 months, 7909 Certification every 3 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | LEDWallCalc | 7909 Certification |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.8 (8 ratings)](https://appshunter.io/ios/app/ledwallcalc/id1277293393/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/7909-certification/id1544521777/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 64.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 17 MB | 6 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Langhorst](https://appshunter.io/developer/1277293392) | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) |

## What reviewers say

### LEDWallCalc

[App page](https://appshunter.io/ios/app/ledwallcalc/id1277293393)

Calculate modular LED wall configurations by selecting a panel model, inputting desired dimensions, and receiving detailed information on size, power, and resolution. Export data to PDF for easy sharing and create custom grids for precise content placement.

**Highlights:** Calculate LED wall configurations, Select panel models from library, Input desired wall size, View physical sizes, quantities, power, and resolution, Export information to PDF, Create native grids for pixel-perfect adjustments, Add custom panel models

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

**In-app purchases:** none


### 7909 Certification

[App page](https://appshunter.io/ios/app/7909-certification/id1544521777)

This app generates digital electrical certification forms for temporary installations based on BS 7909. It allows for easy creation, saving, emailing, and printing of completion certificates, test results, and confirmations. Features include data import/export, local backup, and automatic calculations for PSSC and G3 forms.

**Highlights:** Generate BS 7909 completion certificates, Save, print, or email PDF certificates, Import/export system data between devices, Local backup and restore functionality, Automatic PSSC calculation and G3 generation, Offline work capability, Customizable company logo and colors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Credits | $59.99 | one-time |
| 200 Credits | $99.99 | one-time |
| 300 Credits | $119.99 | one-time |


## Frequently asked questions

### Is LEDWallCalc free?

LEDWallCalc costs $2.99, with no in-app purchases.

### Is 7909 Certification free?

7909 Certification is free to download, with in-app purchases available.

### Which has better reviews, LEDWallCalc or 7909 Certification?

7909 Certification is rated higher. LEDWallCalc averages 3.8 out of 5 from 8 ratings, while 7909 Certification averages 5.0 from 1 ratings.

### Do LEDWallCalc or 7909 Certification have ads?

Neither LEDWallCalc nor 7909 Certification shows ads.

### Which is updated more often, LEDWallCalc or 7909 Certification?

LEDWallCalc ships an update every 2 months, and 7909 Certification every 3 months. Most recently, LEDWallCalc was updated on October 8, 2026 and 7909 Certification on October 14, 2026.

---

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