Comparison

Onoff vs PV Calculator.

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

Head to head
About

Onoff

Read full description

Met de Onoff-click app bedient u eenvoudig uw apparaat of verlichting op afstand.

About

PV Calculator.

This tool simplifies solar photovoltaic system design and analysis for professionals and students. It offers a comprehensive Energy Hub with multiple calculators, providing instant results, visual charts, and clear insights for efficient PV system planning and optimization.

Highlights
  • Energy Hub with multiple solar calculators
  • Calculate solar panel power output
  • Analyze energy generation (daily, monthly, yearly)
  • Design solar array size
  • Calculate system voltage and configuration
  • Instant calculation results
  • Visual charts and performance summaries
Features
Read full description

PV Calculator is a smart and easy-to-use solar photovoltaic calculation tool designed for solar professionals, engineers, students, and renewable energy planners. The app provides a complete Energy Hub with multiple solar calculators that help you design, analyze, and optimize PV systems efficiently. With clear inputs, visual charts, and instant results, PV Calculator simplifies complex solar calculations into an intuitive experience. Key Modules & Features: Access all essential PV calculators from a single dashboard for quick system planning. Calculate solar panel power output and view performance distribution with clear visual insights. Analyze daily, monthly, and yearly energy generation with easy-to-read charts. Design solar array size based on system parameters, efficiency, and environmental factors. Calculate required system voltage and electrical configuration for PV installations. Highlights: - Instant calculation results - Visual charts and performance summaries - Clean, modern, and easy UI - Accurate solar PV system planning - Ideal for rooftop and small-scale solar projects - Useful for education, planning, and field reference PV Calculator helps you make informed decisions when designing and evaluating solar photovoltaic systems—quickly, accurately, and confidently. in-app purchase included 
 Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1Dn1gNdDP2AHL7sg-px4rxdLAcoGHlNB8/edit#heading=h.1ionsc3v3xmq Terms and Condition : https://docs.google.com/document/d/1t-LREPKByKaM0UkbIo4o0E1gdAYs21Oe30EfGxenEss/edit?usp=sharing

Screenshots

Onoff1 screens
PV Calculator.4 screens

Verdict

The call

The clearest difference is in-app purchases: Onoff at none against PV Calculator.'s 1. PV Calculator.'s advantage is device support and iOS requirement (13.0 vs 15.0). On price 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. PV Calculator. sells 1 one-off in-app purchase. Onoff asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Onoff versus PV Calculator.: the parameters behind the verdict, then further details
ParameterOnoffPV Calculator.
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequency—Every 7 months
Ads—No
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size0 MB52 MB
Age rating4+4+
DeveloperAdmirror B.V.Nanjibhai Gorasiya

In-app purchases

None

Onoff

No in-app purchases

1 purchases

PV Calculator.

One-time1
  • Lifetime premium$9.99

Questions

Is Onoff free?
Onoff is free to download, with no in-app purchases.
Is PV Calculator. free?
PV Calculator. is free to download, with in-app purchases available.

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