Mr. Solar Doc vs SideKey
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Mr. Solar Doc
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What size solar system is right for your property, and how much should you reasonably pay for it? Mr. Solar Doc helps you make a better informed decision before investing in solar. The app uses your property, electricity consumption and local solar conditions to calculate a suitable system size and expected electricity generation. Then comes the most important question: What payback period are you comfortable with? You choose the payback period that feels right for you. Mr. Solar Doc then calculates the maximum the system can cost to achieve that payback period. This gives you a financial benchmark to compare installer quotes against, rather than relying solely on the price you are offered. With Mr. Solar Doc you can: โข Calculate a suitable solar system size โข See estimated annual solar generation โข Adapt the calculation to your electricity consumption โข See how much solar electricity you can use yourself and export โข Choose your desired payback period โข Calculate the investment level that matches your target โข Compare the result with quotes from installers โข Create a clear report of your calculation Mr. Solar Doc is not a quotation and cannot predict actual future returns. Calculations are based on the information and assumptions used in the calculation. Understand the economics before investing in solar. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SideKey
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Make your Action Button do more. Sidekey brings your favorite tools and shortcuts into one personal launcher. Press and hold your iPhone Action Button, choose an action, and get on with your day. YOUR BUTTON, YOUR WAY Choose your actions, personalize their names and colors, and arrange them in the order you want. Everyday, Work and Unwind profiles are included for free. Switch between them whenever your routine changes. USEFUL TOOLS, INCLUDED FOR FREE Capture a quick note before the thought disappears. Start a focus timer, take a guided breathing break, use the flashlight, or check copied text. Take photos and videos with Pocket camera. Record, play and share voice notes. Scan multiple pages into a shareable PDF. Keep a favorite website or Maps destination within easy reach. Connect your own Apple shortcuts to open apps, play playlists, set a Focus mode, create reminders and more. Simple recipes explain how to build each shortcut and connect it to Sidekey. GET MORE WITH SIDEKEY+ Private camera Keep personal photos and videos in a locked library inside Sidekey. Unlock with Face ID, Touch ID or your device passcode. Captures stay out of Photos unless you choose to export them. View, share or delete them while your SideKey+ access is active. Find my car Save your parking spot, add a garage or parking note, and get walking directions back through Apple Maps. Make a QR Turn a link or text into a QR code. Show it across the table or share it without asking anyone to type. Say it big Display a large message across your screen when a noisy room makes talking difficult. Custom profiles Create your own profiles for travel, work, weekends or any routine. Give each profile its own selection of actions and switch when you need a different menu. EASY FROM THE FIRST PRESS The built-in guide walks you through Settings, Action Button and Shortcut selection. Choose Open Launcher for your personal menu, or create a shortcut with Open a Sidekey Tool to open a supported tool directly. You can also set up Siri, Back Tap, a Home Screen shortcut or a Shortcuts widget. Interactive 3D illustrations help you explore the button and understand setup. ABOUT PRIVATE CAMERA You start each capture with visible camera controls. The private library locks when the app enters the background. Private captures are excluded from device backups. Export anything you want to keep before deleting the app or allowing SideKey+ access to end. Subscription expiry does not automatically delete saved captures, but access to the library requires an active subscription. The physical Action Button requires a compatible iPhone and setup in Settings. Some tools require permissions, and some actions require shortcuts you create in Apple Shortcuts. Your iPhone may need to be unlocked. Privacy Policy: https://docs.google.com/document/d/1E1HQ0nYFtQ-lgMwXFpBDjSVkpBFgQ7CUhbKsvGVnicE/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1HZq2AED1FPq3ou1c1bIO_z6jR0lIPrYYBXl_-8M9Pbc/edit?usp=sharing
Screenshots
Verdict
The clearest difference is update cadence: Mr. Solar Doc at every 3 days against SideKey's every 9 days. Mr. Solar Doc also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Mr. Solar Doc sells 2 in-app purchases, starting at $14.99 per year and SideKey sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Mr. Solar Doc ships an update every 3 days, SideKey every 9 days. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.
| Parameter | Mr. Solar Doc | SideKey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days โ better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.0 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 10 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon Petersson | Ahmet Giray Ucar |
In-app purchases
Mr. Solar Doc
- Mr. Solar Doc$14.991 Year
- Solar Energy Calculation$3.99
SideKey
- SideKey+ Weekly$3.997 Days
- SideKey+ Yearly$24.991 Year
Questions
Is Mr. Solar Doc free?
Is SideKey free?
Do Mr. Solar Doc or SideKey have ads?
Which is updated more often, Mr. Solar Doc or SideKey?
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