Diversity Calculator vs Trade Sheet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diversity Calculator
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Calculate the maximum demand, total full load and apply diversity. Enter your load values in Amps, Watts or kW, for three phase also select the phase for which the load applies to: L1, L2, L3 or L123. Calculation Reults: - Total Full Load - DL 1 (osg)= Calculates diversity based on the OSG. - DL 1 (custom) = Set your own diversity factor. - DL 2 = Applies the rule of thumb method. - DL 3 = Apply a usage factor to DL 1 (OSG). Other Features: - Custom Circuit: You can enter your own diversity factor and circuit description for "custom circuits". - Edit the default PF (power factor) value for applicable three phase circuits. - Print all results. How to calculate single phase diversity: 1) Select the distribution board type (Single Phase, Three Phase). 2) Select the type of premises. 3) Select the description of circuit / load. 4) Enter the load value (kW, Watts, Amps). 5) Add Load How to calculate three phase diversity: 1) As above but with the additional options to select phase, L1, L2 L3 or L123. A single phase (230v) and three phase (400v) diversity calculator. When adding multiple loads of the same type i.e. Cookers, socket-outlets etc. always enter the biggest load first, then the second largest load and then finally the remainder of the loads. This diversity calculator ( = DL 1 (osg) ) is based on the 18th edition On-Site Guide. The diversity calculations results with 3 results based on 3 different methods on applying and calculating diversity.
Trade Sheet
Manage your trade business efficiently with this comprehensive job management app. Track jobs, clients, teams, and timesheets, with features like offline functionality and modular add-ons to scale with your business.
- Job scheduling and assignment
- Client and site photo management
- Team member tracking and permissions
- Offline functionality with auto-sync
- Time tracking and timesheet generation
- Modular add-ons for invoicing and quoting
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**Run your trade business from one app.** TradeSheet is the job management app built for tradespeople. Whether you're a plumber, electrician, builder, carpenter, or any other trade - TradeSheet helps you manage jobs, clients, teams, and timesheets all in one place. **JOB MANAGEMENT** • Create and schedule jobs • Assign work to team members • Track job progress from enquiry to completion • Add notes, photos, and documents • Calendar view for easy scheduling • Never double-book again • Location, Time watermarked photos • Auto Clockin based on location **CLIENT MANAGEMENT** • Store client details and multiple addresses • UK postcode lookup for quick entry • Keep notes and site photos organised • Track job history per client • Multiple contacts per client **TEAM MANAGEMENT** • Invite employees and subcontractors • See who's working and where • Role-based permissions • Admin, Office, Team Leader, and Field Worker roles • Real-time staff status dashboard **TIME TRACKING** • Simple clock in/out • Track time per job • Automatic timesheet generation • Approval workflow for managers • Know exactly where time is spent **WORKS OFFLINE** • Full functionality without internet • Perfect for sites with poor signal • Automatic sync when back online • Never lose work **MODULAR ADD-ONS** TradeSheet grows with your business. Add modules when you need them: • Electrical Certificates (EIC, EICR, MWC) (coming soon) • Gas Certificates (coming soon) • Invoicing • Quoting • Chat • Forms (With full Audit trail and customer signing) • Custom Statuses **BUILT FOR THE TRADE** • Designed with input from working tradespeople • Quick data entry - minimal tapping • Works one-handed on-site • Runs on phone, tablet, and desktop **TEAM READY** From sole traders to larger firms. Start free, upgrade as you grow.
Screenshots
Verdict
The clearest difference is price: Trade Sheet at Free against Diversity Calculator's $9.99. Trade Sheet also leads on update cadence (every 9 days vs every 6 months). Diversity Calculator's advantage is iOS requirement (11.0 vs 17.6). On ads, in-app purchases 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
Trade Sheet is free to download; Diversity Calculator costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Diversity Calculator ships an update every 6 months, Trade Sheet every 9 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.
| Parameter | Diversity Calculator | Trade Sheet |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 196 MB |
| Age rating | 4+ | 4+ |
| Developer | Pro Certs Software Ltd | Longview Electrical Ltd |
In-app purchases
Diversity Calculator
No in-app purchases
Trade Sheet
No in-app purchases
Questions
Is Diversity Calculator free?
Is Trade Sheet free?
Do Diversity Calculator or Trade Sheet have ads?
Which is updated more often, Diversity Calculator or Trade Sheet?
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