FastCalc vs Hi Sticky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FastCalc
This calculator app offers a streamlined experience with large, easy-to-use keys and an innovative gesture-based interface. It displays your ongoing expression and results in real-time, eliminating the need for an equals button. Advanced features include percentage calculations and customizable constants.
- Large, practical keys
- Permanent expression display
- Automatic real-time results
- Gesture-based input
- Customizable constants
- Advanced percentage mode
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FastCalc is a calculator recognized for its efficiency and ease of use. It stands out thanks to: • its large keys, which allow for fast and accurate input, • the permanent display of the expression entered by the user, • the automatic display of the result while typing: no “=” key required! FastCalc is thus suitable both for everyday calculations and for more advanced use. BASICS OF USE The interface of FastCalc is innovative and minimalist, entirely based on simple gestures: • Select a side symbol on a key: slide your finger in its direction. • Delete the last entered elements: make a small swipe to the left on the display. • Clear the entire expression: swipe quickly to the left across the whole display. • Store a result in a memory: tap the result and choose the desired memory. FEATURES • Large, practical, and easy-to-read keys. • Customizable constants. • Advanced mode for percentage calculations. • Permanent display of the current expression and temporary memories. • Automatic storage of the previous result (ANS) each time an expression is cleared. • Integrated help videos and user guide (in ⓘ). SETTINGS • Enable interface sounds and adjust their volume. • Enable advanced mode. • Choose the number of displayed decimals and the thousands separators. • Customize the colors of the keypad and the expression.
Hi Sticky
A free, simple note-taking application for all Apple devices. It offers iCloud synchronization, widget support, and integration with the Shortcuts app for enhanced productivity. An optional one-time purchase unlocks additional customization options and features.
- Simple intuitive interface
- iCloud sync
- Manage Links
- Widgets
- Shortcuts app integration
- Supports all Apple devices
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Hi Sticky is a fast, visual sticky notes app for iPhone, iPad, Mac, Apple Watch, and Apple Vision Pro. Capture an idea instantly, create a checklist, and keep every note synced with iCloud. Open Hi Sticky and start writing. Give each note its own font and background, recognize it at a glance in the visual note list, and keep Favorites above every sort order. Search across all notes or find matching text inside the note you are reading. On Mac, open notes in separate windows and keep important notes above other apps. On iPhone and iPad, use the controls above the keyboard to format text, manage lists, move the cursor, and copy or paste faster. Key Features - Fast, distraction-free note editor - Bold, italic, underline, and strikethrough formatting - Bulleted and numbered lists - Interactive checklists - Visual note previews with each note's font and background - Search across notes and Find in Note - Favorites that stay at the top - iCloud sync across Apple devices - Single-note and note-list widgets - Actions for Shortcuts and Siri - Link management - Multiple note windows with an always-on-top option on Mac - Support for iPhone, iPad, Mac, Apple Watch, and Apple Vision Pro Hi Sticky+ Unlock more ways to personalize Hi Sticky across your devices with a single one-time purchase. - Additional fonts and background colors - Adjustable font sizes - Custom app accent colors - More app icons - Customizable buttons above the iPhone and iPad keyboard - Advanced widget settings - Family Sharing support Hi Sticky was previously known as Notes SE.
Screenshots
Verdict
The clearest difference is price: Hi Sticky at Free against FastCalc's $1.99. Hi Sticky also leads on update cadence (every 9 days vs every 5 months) and ratings volume (44 vs 4). On rating, review sentiment, ads and in-app purchases 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
Hi Sticky is free to download; FastCalc costs $1.99 up front. FastCalc sells 4 one-off in-app purchases and Hi Sticky sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
FastCalc holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Hi Sticky has 44 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 80% and 80% positive.
FastCalc ships an update every 5 months, Hi Sticky every 9 days. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.
| Parameter | FastCalc | Hi Sticky |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.8 (4 ratings) — better | 4.6 (44 ratings) |
| Positive reviews | 80.0% of reviews | 80.0% of reviews |
| Number of ratings | 4 | 44 — better |
| Update frequency | Every 5 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Apple Watch, Vision Pro — better |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Andre Ponzo | haha Interactive |
Customer experience
FastCalc
Hi Sticky
Bugs and requests
FastCalc
Not enough reviews yet to summarise bugs or requests.
Hi Sticky
Reported bugs
8 issues- Widgets are blank on iOS 26
- Viewing notes on watch is unreliable
- iCloud sync is buggy and often fails
- App crashes when deleting notes
- Mac shows 'No account' for iCloud, iPhone shows 'undefined'
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- No search functionality (Cmd+F does nothing)
- Keyboard layout covers the bottom of the note on iPhone
- iCloud account not connected on macOS
Requested features
8 requests- Support for Monospace font
- Ability to choose own colors for notes
- Ability to change background color
- Mac widget for quicker access
- Ability to have multiple notes open on Mac at the same time
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- Improve overview of saved notes
- Increase font size of notes
- Add a menu app
In-app purchases
FastCalc
- Red Rivella$1.99
- Homemade hot chocolate$6.99
- Bircher muesli$12.99
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- Moitié-moitié fondue$34.99
Hi Sticky
- Hi Sticky+$9.99









