Comparison

LEDWallCalc vs 7909 Certification

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LEDWallCalc

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
Read full description

LEDWallCalc helps you calculate LED wall configurations. Just choose your model from the library, introduce the desired size of the wall and press calculate! You receive information about physical sizes, quantities, power consumptions and resolutions. Exporting all information to PDF makes it very easy to inform your crew, clients and project managers. Create native grids for pixel perfect adjustments. The app generates grids on a custom size video canvas as well, that way you can place the LED wall in space using the offsets. Selecting the transparent background option makes it possible to layer different grids in your favourite photo or video editing software, that​ way you are able to provide your content creators with a mapped template. Can't you find your panel in the library? Add your own panel to the Favourites & User Panels page and use it directly.

About

7909 Certification

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
Read full description

Electrical certification software for temporary electrical installations (systems) based on BS 7909, code of practice for temporary electrical systems for entertainment and related purposes. Temporary Electrical Systems Installation Completion Certificates, Schedule of Test Results & Confirmation of Electrical Completion Certificates for iPhone and iPad.. INCLUDES: - Form G1 Completion Certificate. - Form G2 Schedule of Test Results. - Form G3 Confirmation of Electrical Completion. FEATURES: - Print, save or email generated PDF certificates. - Import / Export a System (G1 & G2) data between devices. - Drag and drop the order of circuits on the G2 form. - Local Backup / Restore. - Set your default reusable data in Settings. - Import / Export Settings data between devices. - Copy and append System certificates (G1 & G2) for an Event certificate. Copy System certificates for an event, useful where multiple Systems are supplied by the same source removing the need to manually enter the G1 data for each System. MULTI-USER COMPATIBLE Where there are many electricians each testing a different system of the same Temporary Electrical System, each electrician can export their system certificates (Form G1 & G2), including all test results to the SPR who can import those system certificates to the main event certificate and produce a full Event certificate at the touch of a button. AUTO FEATURES - Calculates and warns if the PSSC is too low. - Auto-generates a G3 Confirmation of Completion. - Various automatic checking / validation. - Works offline. HOW TO USE: - From the home screen tap "Locations" - Add a new location or venue name - Add an event to this location - Add and edit your system electrical certs G1, G2. - Add further systems if applicable - Generate your G1 G2 and G3 PDF certificate PRINTING / PDF OPTIONS: - Print, save or email PDF certificates op1 : A single G1, G2 or G3 form opt2 : A "System" cert (G1+G2) opt3 : A complete Confirmation Completion Certificate (G1+G2+G3) A complete Confirmation Completion Certificate will also include ALL the "Systems" for that Event in a single PDF file. PDF CUSTOMISATIONS: - Add your company logo. - Change the certificate primary colour to match your branding. - Change the certificate input pen ink colour. - Use the relevant CPS scheme logo (optional). - Customise some of the cert section titles. APP CUSTOMISATION: - Add your company logo to the Home screen. - Change the app primary colour to match your branding. BS 7909 digital electrical sign-off certificates for use with BS 7909, code of practice for temporary electrical systems for entertainment and related purposes.

Screenshots

LEDWallCalc4 screens
7909 Certification4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
LEDWallCalc versus 7909 Certification: the parameters behind the verdict, then further details
ParameterLEDWallCalc7909 Certification
Price$2.99Free — better
Rating3.8 (8 ratings)5.0 (1 ratings) — better
Positive reviews64.7% of reviews100.0% of reviews — better
Number of ratings8 — better1
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size17 MB6 MB
Age rating4+4+
DeveloperJeffrey LanghorstPro Certs Software Ltd

Customer experience

LEDWallCalc

All ratings8 ratings
Positive62.5%
Neutral25.0%
Negative12.5%
Written reviews17 reviews
Positive64.7%
Neutral17.6%
Negative17.6%

7909 Certification

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LEDWallCalc

No in-app purchases

3 purchases

7909 Certification

One-time3
  • 100 Credits$59.99
  • 200 Credits$99.99
  • 300 Credits$119.99

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.

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