Comparison

SolarMeter sun energy planner vs Memony

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

Head to head
About

SolarMeter sun energy planner

Calculate, estimate, and visualize solar power and energy output for a specific location using your iPhone or iPad. This tool helps answer questions about sunlight availability, roof area needs, and potential energy bill changes after PV system installation.

Highlights
  • Real-time solar power calculation
  • Solar power and energy calculation for various periods
  • Offline statistical solar data
  • Automatic location search via GPS
  • Graph/Plot 2D data presentation
  • Roof tilt angle and area measurement
Features
Read full description

SolarMeter is a solar energy analyzing tool that allows you to calculate, estimate and visualize solar power and energy output of a solar panel at specific location using your iPhone or iPad. You can't find a better source of energy then sunlight. It is presented in unlimited amount all over the globe, it's free and it has no destructive impact on the environment. If you've ever thought of using sun energy, but had some doubts or questions as "Is my location getting enough sunlight?", "Do I have enough area on my roof to cover my annual energy consumption?", "What side of my roof is more energy effective?", "How much area do I need to cover my energy needs?", "How would my energy bill change after PV system installation?", now you can answer all these question using SolarMeter app for iOS. Solar Meter helps you to check solar potential of your roof, how much solar power you are getting at your location throughout the year and help to estimate how much energy a photo-voltaic system is able to produce per month. SolarMeter has following features: - Real-time solar power calculation based on current location, panel/device orientation and panel/device tilt** - Solar Power and Energy calculation for different period of time: day, month, year - Ideal (calculated) and experimental statistical solar data (offline) available - Sensor based inputs for orientation and tilt - Automatic current location search using GPS and Network - Graph/Plot 2D data presentation - Solar panel efficiency control - Bill and Saving estimation based on user input (energy monthly or annual consumption). - Roof tilt angle measurement - Roof area calculation based on Planimeter* app measurement and roof tilt angle. - Metric and Imperial units - area converter in Roof Measurement section when units are changed Go green! VisTech.Projects Team. * Note: This app has to be purchased and installed to be able to use it for measurements. ** Make sure your Time Zone settings are correct and you use it in portrait orientation.

About

Memony

Features
Read full description

"Memony" allows you to quickly add schedule reminders offline. It has two alert modes, "Reminders" and "App Notifications". You can freely tailor the alert details and time. Unlike the cumbersome processes of "Clock" or "Reminders", you can set reminders with minimal steps, making it incredibly simple and fast. When using "Memony Notification," you can also customize your favorite ringtones to meet your needs in different scenarios. "Memony" does not request any sensitive permissions and doesn’t even require internet connection most of the time. Therefore, you’ll never have to worry about being disturbed by ads while using it.

Screenshots

SolarMeter sun energy planner4 screens
Memony4 screens

Verdict

The call

The clearest difference is price: Memony at Free against SolarMeter sun energy planner's $2.99. Memony also leads on update cadence (every 2 months vs every 8 months). SolarMeter sun energy planner's advantage is in-app purchases (none vs 1) and chart position (#191 vs unranked). On 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

CostPrice · In-app purchases · Ads · Monetization

Memony is free to download; SolarMeter sun energy planner costs $2.99 up front. Memony sells 1 one-off in-app purchase. SolarMeter sun energy planner asks for nothing beyond the download.

UpkeepUpdate frequency

SolarMeter sun energy planner ships an update every 8 months, Memony every 2 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 6 level
SolarMeter sun energy planner versus Memony: the parameters behind the verdict, then further details
ParameterSolarMeter sun energy plannerMemony
Price$2.99Free — better
Rating4.0 (9 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings9 — better—
Update frequencyEvery 8 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#191 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better18.0
Further details — not scored
Size46 MB7 MB
Age rating4+4+
DeveloperVisTech.Projects LLC烨 钱

In-app purchases

None

SolarMeter sun energy planner

No in-app purchases

1 purchases

Memony

One-time1
  • Quick Time-Setting Options$0.99

Questions

Is SolarMeter sun energy planner free?
SolarMeter sun energy planner costs $2.99, with no in-app purchases.
Is Memony free?
Memony is free to download, with in-app purchases available.
Do SolarMeter sun energy planner or Memony have ads?
Neither SolarMeter sun energy planner nor Memony shows ads.
Which is updated more often, SolarMeter sun energy planner or Memony?
SolarMeter sun energy planner ships an update every 8 months, and Memony every 2 months. Most recently, SolarMeter sun energy planner was updated on November 6, 2026 and Memony on October 30, 2026.

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