MobileEOM vs CALC ToolBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MobileEOM
This app allows electrical engineers to design and record test results for electrical installations directly from their mobile devices. It integrates with desktop software to generate schematics, calculations, and BS7671 certificates and reports.
- Design electrical installations on the go
- Record test results
- Generate BS7671 certificates
- Produce reports
- Integrates with ElectricalOM software
Read full descriptionHide full description
With MobileEOM, the Electrical Engineers will be able to Design and record test results of Electrical Installations on the Go. The app is used in conjunction with ElectricalOM software to reverse engineer all schematics, calculations, validations and produce BS7671 certificates and reports.
CALC ToolBox
Read full descriptionHide full description
The CALC ToolBox – The Ultimate Precision Calculation & Conversion Suite for AV professionals. Whether you're an engineer, technician, or industry professional who values accuracy, CALC ToolBox is designed to streamline your workflow with powerful, easy-to-use tools. Key Features: dBm to Watts & dBµV to dBm Conversions – Instantly convert signal levels and power values for audio, RF, and electronics projects. Voltage Drop Calculator – Ensure optimal circuit performance by quickly computing voltage drops. Measurement Converter – Seamlessly switch between units: feet to meters, pounds to kilograms, and more. Temperature Converter with Humidity Calculation – Convert temperatures and humidity for comprehensive environmental analysis. Ohm’s Law Calculator – Solve electrical circuits instantly with our intuitive Ohm’s Law tool. DMX DIP Switch Calculator – Easily determine DIP switch settings for DMX-controlled lighting systems. 90/180 Schengen Area Calculator – Track your travel days and stay compliant with Schengen visa rules. Projection Throw Distance Calculator – Get the perfect projector placement for any screen size and setup. Audio Delay Calculator - Calculate sound delay by distance, temperature, humidity, and digital latency instantly. Subnet - Calculate IP ranges, subnet masks, and usable hosts with a fast, intuitive CIDR tool. With its intuitive interface and robust feature set, CALC ToolBox helps you work faster, smarter, and with unmatched precision. Download now and take your calculations to the next level!
Screenshots
Verdict
The clearest difference is in-app purchases: MobileEOM at none against CALC ToolBox's 1. MobileEOM also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support 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
Both are free to download. CALC ToolBox sells 1 one-off in-app purchase. MobileEOM asks for nothing beyond the download.
MobileEOM ships an update weekly, CALC ToolBox every 5 days. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.
| Parameter | MobileEOM | CALC ToolBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 113 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | MODECSOFT LTD | 1BIGRIG Ltd |
In-app purchases
MobileEOM
No in-app purchases
CALC ToolBox
- Remove Ads$4.99
Questions
Is MobileEOM free?
Is CALC ToolBox free?
Do MobileEOM or CALC ToolBox have ads?
Which is updated more often, MobileEOM or CALC ToolBox?
Other comparisons















