Comparison

CuCalc vs Wattoo

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

Head to head
About

CuCalc

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CuCalc: Electrical Cable Sizing & Project Management Professional electrical engineering at your fingertips. Generate professional technical reports instantly. CuCalc is the ultimate all-in-one tool for electricians, engineers, and contractors to handle accurate cable sizing, voltage drop calculations, and automated Bill of Materials (BOM) management on-site or in the office. Try it now—generate your first professional PDF report completely free! WHY CHOOSE CUCALC? • Stop using manual spreadsheets. CuCalc calculates AND manages. • Automatically aggregates your project bill of materials. • Built-in safety warnings prevent mechanical strength and compliance errors. • Saves hours of manual administrative procurement work. KEY FEATURES: • SMART CABLE SIZING: Precise calculations based on power, voltage, and load type (including specialized motor calculations). • DUAL STANDARDS: Full compliance tracking for both IEC (International) and NEC (USA/North America) standards. • UNIT FLEXIBILITY: Toggle instantly between Metric (mm²) and Imperial (AWG/kcmil) units. • AUTOMATED MATERIAL SUMMARY: Add cables, breakers, and accessories. CuCalc sums up identical material types across multiple entries for quick ordering. • PROJECT ARCHIVE: Group multiple calculations into neat projects. Save, edit, and export your history seamlessly. • CUSTOM INVENTORY: Add your own custom materials, unique cables, or specialized fuses to any project. • PROFESSIONAL PDF REPORTS: Export detailed, branded technical reports with your Company Name to share with clients or team members. TECHNICAL SPECIFICATIONS: • Calculations: Voltage drop, current (A), minimum permitted conductor size, and breaker pairing. • Localization: Fully translated in English, German, French, and Croatian. Download CuCalc today to eliminate calculation errors and professionalize your electrical workflow.

About

Wattoo

Features
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L'électricien qui vérifie une section au camion, l'étudiant qui prépare son BTS, l'artisan qui rend un dossier propre à son client : Wattoo fait le calcul juste, à la norme, sans réseau et sans compte. Plus de 50 calculateurs suivent la norme de votre pays — NF C 15-100 en France — du tableau au récepteur : sections de conducteurs, chute de tension, disjoncteurs et différentiels, mise à la terre, bilan de puissance, branchement, IRVE, photovoltaïque. Chaque résultat s'affiche en direct, avec le détail du raisonnement et les seuils de la norme. L'éditeur de schémas dessine en symboles CEI 60617 : plus de 4 000 symboles, câblage automatique à la pose, repérage automatique des appareils (Q1, KM1), folios A4 à A0 avec cartouche. L'export PDF est vectoriel, avec cadre normé et nomenclature générée — un dossier que vous pouvez remettre tel quel. DANS LE DÉTAIL • 52 calculateurs par domaine : habitation, industriel, réseau, producteur, branchement, formation • Courbes de déclenchement et graphiques honnêtes, qui reflètent vos valeurs • Éditeur de schémas : symboles CEI 60617, fils agrippés aux bornes, modèles prêts (va-et-vient, télérupteur, tableau, démarrage moteur…) • Export PDF vectoriel : cartouche éditable, nomenclature automatique • Checklists de mise en service et glossaire technique • 9 pays couverts, chacun avec sa norme : France, Belgique, Suisse, Allemagne, Royaume-Uni, Italie, Espagne, États-Unis, CEI générique • 6 langues : français, anglais, allemand, espagnol, italien, néerlandais • Tout fonctionne hors ligne. Aucun compte, aucune donnée collectée. Essai gratuit de 3 jours, puis abonnement 4,99 €/mois — ou achat définitif en une fois, pour toujours. Wattoo est un outil d'aide au calcul et au dessin : il ne remplace ni la norme ni le contrôle d'un professionnel qualifié. Conditions d'utilisation (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CuCalc4 screens
Wattoo4 screens

Verdict

The call

The clearest difference is update cadence: Wattoo at every 10 days against CuCalc's every 3 weeks. Wattoo also leads on device support. On price, in-app purchases 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

Both are free to download. CuCalc sells 1 one-off in-app purchase and Wattoo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CuCalc ships an update every 3 weeks, Wattoo every 10 days. The most recent releases landed on September 13, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 4 level
CuCalc versus Wattoo: the parameters behind the verdict, then further details
ParameterCuCalcWattoo
PriceFreeFree
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNo
In-app purchasesYesYes
DevicesiPhone, iPad — better
Requires iOS17.617.0 — better
Further details — not scored
Size3 MB10 MB
Age rating4+4+
DeveloperANDELKO PADOVICMaxime Giraud

In-app purchases

1 purchases

CuCalc

One-time1
  • CuCalc Pro$9.99
2 purchases

Wattoo

Subscriptions1
  • Wattoo Pro3 Days trial$3.991 Month
One-time1
  • Wattoo Pro à vie$34.99

Questions

Is CuCalc free?
CuCalc is free to download, with in-app purchases available.
Is Wattoo free?
Wattoo is free to download, with in-app purchases available.
Which is updated more often, CuCalc or Wattoo?
CuCalc ships an update every 3 weeks, and Wattoo every 10 days. Most recently, CuCalc was updated on September 13, 2026 and Wattoo on September 11, 2026.

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