MAVIN Meters vs Contractor Estimator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MAVIN Meters
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Registering utility meter readings and consumption values into LightStay is now easier with MAVIN Meters. During your scheduled meters and building inspections, use your smartphone and the MAVIN Meters app to unlock all the benefits of tracking and monitoring your energy and water consumption data. Stop recording utility meter consumption data on written notes and transferring values to LightStay later. With the MAVIN Meters app you will be able to save this information on the spot and very easily. Use the MAVIN Meters App following these simple steps: 1- Walk to the utility meter you want to register data from. 2- Use your camera and scan a QR Code provided by ei3 which contains information about that specific meter. 3- Type the numbers you see on the utility meter display. 4- You’re done! Your meter data is now stored into LightStay and can be used for reports, consumption alerts and monitoring. Benefits of using the MAVIN Meters App: 1- Take immediate corrective actions in your building as you will receive alerts for abnormal energy and water consumption when you register data with the MAVIN Meters App. 2- Verify the performance of efficiency retrofits, as well as energy and water consumption reduction projects done in your property by monitoring your utility consumption with the MAVIN Meters App. 3- Generate energy and water consumption reports in LightStay using the data you registered through the MAVIN Meters App. Enrolling to the MAVIN Meters App is simple: 1- Express your interest on the MAVIN Meters App by contacting mavin.support@ei3.com 2- A client support specialist will guide you through the purchasing process for this service, as well as ask you basic information about your utility meters to provide you with the QR Codes to paste close to your meter’s display. 3- Once ei3 configures your account you are ready to use the MAVIN Meters App!
Contractor Estimator
Streamline your business by creating professional estimates and invoices directly from the job site. Manage project costs, materials, labor, and equipment to generate polished PDF documents for your clients. Designed for on-the-go construction professionals.
- Create professional estimates
- Generate invoices from estimates
- Manage materials, labor, and equipment costs
- Send PDF documents via email or WhatsApp
- Organize projects and customer information
- Duplicate existing estimates
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RUN YOUR ENTIRE CONTRACTING BUSINESS FROM ONE APP Contractor Estimator is an all-in-one contractor management app built for general contractors, subcontractors, builders, remodelers, electricians, plumbers, painters, roofers, landscapers and handymen. Create professional estimates and invoices, manage clients and projects, track your business with a powerful dashboard, organize expenses, and use AI to help you work faster—all from your phone. Whether you’re at the office or on the job site, Contractor Estimator helps you save time, stay organized, and win more work. CREATE PROFESSIONAL ESTIMATES • Build detailed estimates in minutes • Add materials, labor and equipment costs • Generate professional PDF estimates • Duplicate previous estimates to save time • Save reusable templates for future projects • Calculate taxes, profit margins and totals automatically CREATE & SEND INVOICES • Convert estimates into invoices instantly • Generate professional PDF invoices • Send invoices by Email or WhatsApp • Track paid and unpaid invoices • Keep customer payment history organized MANAGE CLIENTS & PROJECTS • Organize all your customers in one place • Keep every estimate and invoice linked to each project • Track project progress and costs • View recent activity from your dashboard • Manage your business from anywhere AI TO HELP YOU WORK FASTER • Chat with AI to build estimates and answer construction questions • Scan supplier invoices to automatically import materials • Extract products, quantities and prices in seconds • Reduce manual data entry and paperwork MATERIALS, LABOR & EQUIPMENT • Add custom materials, labor and equipment • Use retailer pricing to build accurate estimates • Store your own price lists • Track labor costs and equipment usage • Calculate totals automatically BUSINESS DASHBOARD • Monitor your estimates and invoices • Track projects and customers • View business activity at a glance • Stay on top of your construction business with one central dashboard BUILT FOR CONTRACTORS • General Contractors • Subcontractors • Builders • Electricians • Plumbers • Painters • Roofers • Remodelers • Landscapers • Handymen Stop juggling spreadsheets, paperwork and multiple apps. Contractor Estimator gives you everything you need to estimate jobs, create invoices, manage customers, organize projects, and grow your business from one simple, powerful app. Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: MAVIN Meters at none against Contractor Estimator's 2. MAVIN Meters also leads on iOS requirement (11.0 vs 15). Contractor Estimator's advantage is update cadence (every 2 days vs every 9 days). On price, 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. Contractor Estimator sells 2 in-app purchases, starting at $19.99 per month. MAVIN Meters asks for nothing beyond the download.
MAVIN Meters ships an update every 9 days, Contractor Estimator every 2 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.
| Parameter | MAVIN Meters | Contractor Estimator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15 |
| Further details — not scored | ||
| Size | 24 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Ei3 Corporation | Darius Buhai |
In-app purchases
MAVIN Meters
No in-app purchases
Contractor Estimator
- Estimator7 Days trial$19.991 Month
- General Contractor$39.991 Month







