Calc4Key vs Picroll
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc4Key
Perform calculations directly within your keyboard, eliminating the need to switch apps or copy-paste results. This utility allows you to calculate anywhere you type, enhancing productivity and convenience.
- Calculator on keyboard
- Calculate anywhere
- No app switching
- No copy-paste results
- Easy keyboard selection
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Use calculator directly on keyboard anywhere, anytime. No switch apps, no copy and paste results anymore! You must enable the keyboard under system settings, then select it in your keyboard, using the globe button. 1. Open the settings app 2. Go General > Keyboard > Keyboards > Add New Keyboard 3. Add Calc4Key 4. Start typing in any app 5. Press "globe" icon to switch to the Key4Cal keyboard 6. Enjoy
Picroll
Effortlessly combine multiple screenshots into a single, long image. Features include automatic stitching, custom layouts, privacy blurring, and phone frame overlays for professional-looking results.
- Auto-stitcher for seamless merging
- Tailor-made layouts for perfect results
- Picture splitter for social media
- Mosaic tool for privacy blurring
- Phone frame overlay for realistic look
- Intelligent screen clearing
- Screenshot editor with text and drawing tools
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Introducing Picroll - the ultimate app for effortless long screenshot stitching and editing! Are you tired of struggling to piece together multiple screenshots to get the perfect long screenshot? Look no further than Picroll! Our advanced auto-stitcher feature enables you to seamlessly stitch together multiple screenshots with ease. With our tailor-made layouts, picture splitter, mosaic tool, phone frame overlay, and intelligent screen clearing feature, you'll have everything you need to create stunning long screenshots in seconds. Here are some of the key features that make Picroll stand out: - Auto-Stitcher Our advanced auto-stitcher feature automatically detects and stitches together multiple screenshots for a seamless long screenshot experience. You won't need to worry about manually piecing together your screenshots - Picroll does it all for you! - Tailor-Made Layouts We understand that every screenshot is unique, which is why we offer tailor-made layouts to ensure your long screenshots look perfect every time. With multiple layout options to choose from, you'll be able to create long screenshots that meet your exact specifications. - Picture Splitter With our picture splitter, you can easily divide a single image into multiple pictures. This feature is perfect for sharing screenshots on social media or with your friends. - Mosaic Tool Protect your privacy and blur out sensitive information with our mosaic tool. You can easily add a mosaic effect to any part of your screenshot to hide personal information or create an artistic effect. - Phone Frame Overlay Add a touch of style to your screenshots with our phone frame overlay. Our app comes with a range of phone frames to choose from, giving your screenshots a realistic look. - Intelligent Screen Clearing Our intelligent screen clearing feature automatically removes status bars and scrollbars from your screenshots. This ensures your long screenshots look professional and clean. - Screenshot Editor With our editing tools, you can add text, watermarks, and even draw on your screenshots using markers or brushes. Our app makes it easy to edit your screenshots to meet your needs. - Scrollable Screenshots With our scrollable screenshots feature, you can capture entire web pages or social media feeds with ease. Picroll can take long screenshots of scrollable pages such as Instagram and Snapchat, allowing you to capture every detail. Picroll is the ultimate tool for anyone who needs to capture and edit long screenshots. Whether you're a creator, social media influencer, or just someone who loves taking screenshots, our app has everything you need to create stunning long screenshots in seconds. Download Picroll today and elevate your long screenshot game! --- Privacy Policy: http://bit.ly/3zdyfLu Terms of Use: http://bit.ly/40nMol2
Screenshots
Verdict
The clearest difference is update cadence: Calc4Key at daily against Picroll's every 2 weeks. Calc4Key also leads on price ($0.99 vs $4.99) and ratings volume (821 vs 67). Picroll's advantage is review sentiment (90% vs 63%) and rating (4.8 vs 4.6). On ads, in-app purchases, monetization model 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
Calc4Key costs $0.99 and Picroll $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Picroll holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Calc4Key has 821 ratings behind it against 67, so its average is the more settled of the two. Written reviews point the same way: 63% of Calc4Key's written reviews are positive against 90% of Picroll's.
Calc4Key ships an update daily, Picroll every 2 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.
| Parameter | Calc4Key | Picroll |
|---|---|---|
| Price | $0.99 — better | $4.99 |
| Rating | 4.6 (821 ratings) | 4.8 (67 ratings) — better |
| Positive reviews | 62.5% of reviews | 90.5% of reviews — better |
| Number of ratings | 821 — better | 67 |
| Update frequency | Daily — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Khang Le | TinyWork Apps |
Customer experience
Calc4Key
Picroll
In-app purchases
Calc4Key
No in-app purchases
Picroll
No in-app purchases








