PixelCalc vs Pensieve
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PixelCalc
This tool helps graphic designers and others convert image dimensions between pixels and inches at various resolutions. It also features a proportional calculator for accurate resizing and reference charts for print sizes and camera settings.
- Pixel to Inch conversion
- Inch to Pixel conversion
- Resolution adjustment
- Proportional calculator for resizing
- Print size reference charts
- Camera shutter speed chart
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PixelCalc is a very convenient tool for anyone working with digital images, whether from a Camera, scanner or other input device. It is especially useful for graphic designers who work with both Web and Print media. Either of these two areas of media frequently require conversions from Pixels to Inches and Inches to Pixels along with a desired Resolution (i.e. hi-res, medium-res or low-res). Now includes a Proportional Calculator and useful Reference Charts. Proportional Calculator The Proportional Calculator will instantly calculate enlargements or reductions of images, photos, artwork, layouts, or any kind of design. Basically, anything that needs to be resized accurately while maintaining perfect proportions, the Proportional Calculator will do it. Contains the following handy reference charts: -Maximum Print Size per Megapixels (different resolutions) -Maximum Print Sizes (in inches) by Megapixels @ 300ppi -Shutter Speed Chart (Useful camera tool for perfect shots!) -See the charts in the app for detailed reference information
Pensieve
Easily capture fleeting thoughts, ideas, and to-dos by emailing them to yourself. This app provides quick capture tools like audio recording, photo attachments, and text pasting, ensuring your ideas are saved without interrupting your flow. It prioritizes user privacy with no data mining or ads.
- Audio recording with speech-to-text
- Built-in camera for photo attachments
- Attachment picker for photos and files
- Quick paste for text, links, and images
- Email from Apple Watch
- Share extension for in-app capture
- Customizable email formatting
- Offline capture
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If you’ve ever emailed yourself, Pensieve is for you. Just capture, send, and remember! Pensieve is the perfect Idea Inbox companion, a Magic Warp Zone for your mind. Ideas, to-dos, and inspiration pop into your head throughout the day, often at the wrong time and in the wrong place. You want to capture those thoughts somehow, but you’ll forget to check your other notes app, texting yourself won’t work, and writing an email is clunky. You need to get these ideas out of your mind and off of your phone now, so you can get back to what you’re doing and stay in the moment with a clear head. You need a powerful, easy-to-use tool that can teleport your thoughts from here and now to the time and place where they belong. You need an idea warp zone. You need Pensieve, the notes app you'll actually use. == Features == Powerful capture tools, deep customization, and lightning-fast email delivery: • Record audio memos and get automatic speech-to-text transcripts. • Built-in camera that attaches photos as soon as you take them. • Attachment picker with quick access to your photo library and files. • Quick paste button for emailing yourself text, links, and images. • Email yourself from your Watch using the Pensieve watch app. • Email yourself from within other apps using Pensieve Share. • Custom rules put you in control over how emails from Pensieve are formatted. • With the power of Pensieve you can send to multiple inboxes with one tap. • Works offline. Capture thoughts without the internet and send them later. == Privacy & Security First == Pensieve is committed to your privacy and security. The app doesn't contain any of the icky practices of big tech or other companies! - NO data mining. - NO advertisements. - NO attention-grabbing tactics. Only respect for you and your time, attention, and data. Learn more at https://privacy.pensieve.io. == Get in Touch == Tweet to @PensieveTweets with questions, feedback, etc. == Terms == By using Pensieve you agree to the Pensieve Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Pensieve at 91% against PixelCalc's 42%. Pensieve also leads on price (Free vs $2.99) and update cadence (every 6 weeks vs every 3 months). PixelCalc's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 15.0). 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
Pensieve is free to download; PixelCalc costs $2.99 up front. Pensieve sells 4 in-app purchases, starting at $0.99 per month. PixelCalc asks for nothing beyond the download.
PixelCalc ships an update every 3 months, Pensieve every 6 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | PixelCalc | Pensieve |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.7 (82 ratings) — better |
| Positive reviews | 41.7% of reviews | 91.2% of reviews — better |
| Number of ratings | — | 82 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | John Lullie | Window Seat Labs, LLC |
Customer experience
PixelCalc
Pensieve
In-app purchases
PixelCalc
No in-app purchases
Pensieve
- Boost Monthly3 Days trial$0.991 Month
- All Access Monthly7 Days trial$2.991 Month
- Boost Yearly3 Days trial$9.991 Year
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- All Access Yearly7 Days trial$24.991 Year









