Comparison

Balcony Solar optimizer vs QuillCue

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

Head to head
About

Balcony Solar optimizer

Features
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Balcony Solar helps you get the most out of your balcony or plug-in solar panels: measure how your panels are placed, find out how to place them better, and know what they will produce. MEASURE YOUR PANELS WITH YOUR IPHONE • Lay your iPhone on the panel – the app reads tilt, direction and GPS in one stable reading • A step-by-step guide shows exactly where and how to place the phone • Your measurement is saved and used for every forecast OPTIMIZE THE PLACEMENT • The Optimizer compares your setup with better tilts and directions for the coming days • Clear advice like "Lower the tilt by about 30°" – together with the extra kWh it gives • Get a placement certificate as a PDF when your panel is placed close to optimal FORECAST FOR YOUR PANELS • Daily kWh estimate based on live Apple Weather data and the sun's real path for your date and location • Accounts for your panel's exact tilt and direction – and for how clouds turn direct sun into diffuse light • Four-day outlook so you can plan the sunny days ahead BEST TIME TO USE POWER • See the strongest hours of the day for your exact panel direction • Run the dishwasher, washing machine or charging when the sun is on your side • Optional evening alert when tomorrow looks sunny SEE WHAT YOU SAVE • Enter your electricity price and see today's savings, the next four days and a yearly estimate FORECAST VS. REALITY • Compare the forecast with what your panels really produced, day by day • Enter the day total from your inverter app, or read it automatically from a Shelly plug or meter or an OpenDTU (Hoymiles) on your Wi-Fi • Readings stay on your home network WIDGETS • Home Screen and Lock Screen widgets with today's production and the best time to use power FREE TO TRY Today's forecast, the best hours and the panel measurement are free. Balcony Solar Pro unlocks the Optimizer, the 4-day outlook, savings, forecast vs. reality, widgets, sunny-day alerts and the placement certificate – a one-time purchase, no subscription. Your location is only used to fetch local weather and the sun's angle. Weather data provided by Weather.

About

QuillCue

This utility app provides a custom keyboard to quickly access and insert your saved prompts into other applications. Organize your prompts with categories, colors, and favorites for easy retrieval. It prioritizes user privacy with local storage and no analytics or advertising.

Highlights
  • Custom keyboard for prompt insertion
  • Organize prompts with categories and colors
  • Search and favorite prompts
  • Customizable app appearance
  • Local data storage for privacy
  • JSON backup functionality
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Store your favorite prompts and use them in your favorite AI apps. • A Keyboard for Your Favorite Apps Add the QuillCue keyboard in Settings, then insert the prompt you need into a compatible text field with one tap. It also works with Type to Siri. Browse prompts by category and switch between list and grid layouts. • Configure and Organize Your Prompts Assign categories, colors, and symbols to keep your prompt library organized. Keep prompts inside the app for reference or choose which ones appear in the QuillCue keyboard. • Search, Categorize, and Favorite Create custom categories, mark important prompts as favorites, and quickly search your library by title or prompt text. Favorites and categories are also available from the keyboard. • Make the Library Your Own Choose from multiple Home Screen app icons, typography options, color settings, and library layouts. Enable haptic feedback, simplify your cards with monochrome mode, or go back in time with the skeuomorphic cork board theme. • Private by Design with Easy Backups QuillCue has no accounts, analytics, advertising, or developer-operated servers. Your prompt library is stored locally, and QuillCue does not provide cloud synchronization. Create a JSON backup whenever you want to save your library or manually transfer it to another device.

Screenshots

Balcony Solar optimizer4 screens
QuillCue4 screens

Verdict

The call

The clearest difference is in-app purchases: QuillCue at none against Balcony Solar optimizer's 1. On price, update cadence, 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

Both are free to download. Balcony Solar optimizer sells 1 one-off in-app purchase. QuillCue asks for nothing beyond the download.

UpkeepUpdate frequency

Balcony Solar optimizer ships an update every 3 weeks, QuillCue fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Balcony Solar optimizer versus QuillCue: the parameters behind the verdict, then further details
ParameterBalcony Solar optimizerQuillCue
PriceFreeFree
Rating—4.8 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad — betteriPhone
Requires iOS26.4 — better27.0
Further details — not scored
Size6 MB38 MB
Age rating4+17+
DeveloperPatrick ChristensenParker Ortolani

In-app purchases

1 purchases

Balcony Solar optimizer

One-time1
  • Balcony Solar Pro$4.99
None

QuillCue

No in-app purchases

Questions

Is Balcony Solar optimizer free?
Balcony Solar optimizer is free to download, with in-app purchases available.
Is QuillCue free?
QuillCue is free to download, with no in-app purchases.
Do Balcony Solar optimizer or QuillCue have ads?
Neither Balcony Solar optimizer nor QuillCue shows ads.
Which is updated more often, Balcony Solar optimizer or QuillCue?
Balcony Solar optimizer ships an update every 3 weeks, and QuillCue fortnightly. Most recently, Balcony Solar optimizer was updated on November 8, 2026 and QuillCue on October 31, 2026.

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