Comparison

Simple Solar vs Heatpunk

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

Head to head
About

Simple Solar

Features
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Simple Solar is the fastest, simplest way to control your SunSynk inverter. Make changes in seconds, not minutes β€” no clutter, no confusing menus, just clear control. Edit battery schedules instantly with a powerful visual editor, or use quick toggles to override charging, discharging, and grid export on the fly. Monitor your solar generation, battery status, and home energy consumption in real time from one clean, reliable dashboard. Core Features: β€’ Edit battery schedules in seconds with an intuitive visual editor β€’ Instant on/off toggles for battery charge, discharge, and export β€’ Real-time energy flow visualisation β€’ Daily, weekly, and monthly energy statistics β€’ Support for multiple plants and parallel inverters Simple Solar Pro unlocks advanced automation: β€’ Smart Tariff Integration – Automatically charge during cheap Octopus Intelligent Go slots β€’ Custom Schedules – Fine-grained time-based rules for grid and battery control β€’ Push Notifications – Alerts for low battery, high load, and system events β€’ Monthly Reports – Detailed energy summaries exportable as PDF β€’ Ad-free experience β€’ Smart Tariff Automation – Supports Octopus Intelligent Go, Cosy, Flux and Go, plus E.ON Next, EDF GoElectric, British Gas, ScottishPower, Good Energy and fully custom tariffs. Automatically charge your battery during the cheapest slots, including extra cheap β€œbump” slots your provider signals through the day, and sell stored energy back during peak export periods or before your guaranteed cheap period starts. β€’ Solar-Aware Charging – Only tops up from the grid by as much as your predicted solar won’t cover, helping you avoid over-buying energy. β€’ Custom Schedules – Fine-grained time-of-use rules for grid and battery control. β€’ Push Notifications – Alerts for low battery, high load and system events. β€’ Monthly Reports – Detailed energy summaries exportable as PDF. β€’ Ad-free experience. Terms of Use: https://minutiamobile.com/marketing/simpleSolar/terms.html Privacy Policy: https://minutiamobile.com/marketing/simpleSolar/privacy.html

About

Heatpunk

Read full description

Heatpunk turns your iPhone or iPad into a fast, accurate survey tool for heat pump design. Walk through each room and scan it with Apple's LiDAR-powered RoomPlan, or measure it with AR Measure on any iPhone. Heatpunk builds a clean 2D floor plan with rooms, walls, doors, windows and radiators. Then it sends the plan straight into your Heatpunk heat-loss calculation. SCAN β€’ LiDAR room scanning: capture a room in minutes, floor to ceiling β€’ AR Measure on any iPhone: tap the corners of the room with the camera β€’ Tap a radiator during the scan to measure it and place it on its wall β€’ Hold Note during a scan to record a voice note for that room β€’ Multi-room and multi-floor surveys, with floors lined up by dragging PLAN β€’ Automatic 2D floor plans: walls, doors, windows and room shapes β€’ Smart room tagging suggests room types from what the scan finds β€’ Edit room names, types, notes and sizes β€’ Square up a room that is a few degrees out β€’ 3D model view and sharing SURVEY β€’ Set building materials for the whole house, then change any single wall, window or door β€’ Choose from Heatpunk's eight radiator types β€’ Answer the Heatpunk survey questions on site and add photos SEND β€’ Connect to Heatpunk by scanning a QR code. No password to type. β€’ One tap sends rooms, radiators, materials, survey answers and photos to your Heatpunk project Built for heat pump installers, surveyors and energy assessors who want survey data captured on site and ready for design. No paper sketches, no manual measuring. Requires a Heatpunk Pro account. LiDAR scanning needs an iPhone Pro or iPad Pro with LiDAR; other iPhones measure rooms with AR Measure.

Screenshots

Simple Solar4 screens
Heatpunk4 screens

Verdict

The call

The clearest difference is in-app purchases: Heatpunk at none against Simple Solar's 4. Simple Solar's advantage is iOS requirement (16.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Simple Solar sells 4 in-app purchases, starting at $6.99 per month. Heatpunk asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Solar ships an update every 3 weeks, Heatpunk every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Β· 4 level
Simple Solar versus Heatpunk: the parameters behind the verdict, then further details
ParameterSimple SolarHeatpunk
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 β€” better26.0
Further details β€” not scored
Size73 MB119 MB
Age rating4+4+
DeveloperMinutia MobileSmug Energy

In-app purchases

4 purchases

Simple Solar

Subscriptions2
  • Automation7 Days trial$6.991 Month
  • Yearly Subscription7 Days trial$59.001 Year
One-time2
  • Remove Ads$2.99
  • Remove Ad's$2.99
None

Heatpunk

No in-app purchases

Questions

Is Simple Solar free?
Simple Solar is free to download, with in-app purchases available.
Is Heatpunk free?
Heatpunk is free to download, with no in-app purchases.
Do Simple Solar or Heatpunk have ads?
Neither Simple Solar nor Heatpunk shows ads.
Which is updated more often, Simple Solar or Heatpunk?
Simple Solar ships an update every 3 weeks, and Heatpunk every 2 weeks. Most recently, Simple Solar was updated on October 30, 2026 and Heatpunk on November 5, 2026.

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