PixelCalc vs Arrowz AI
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
Arrowz AI
This journaling system guides users to analyze complex thoughts and emotions by helping them think causally. It provides symbols to map relationships between ideas and offers definitions of emotions to aid in management and achieve clarity.
- Causal thinking guidance
- Symbol-based relationship mapping
- Emotion definitions
- Thought analysis
- Emotional management
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Arrowz is a journaling system that guides you to think causally, helping you analyze complex thoughts and emotions to achieve clarity. A collection of symbols is provided to help you create causal relationships between ideas–––It’s our secret sauce for clear thinking. Moreover, we offer 15 expert-backed definitions of pleasurable and displeasure emotions to help you manage their influence on you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://arrowznotes.com/privacypolicy We’re always striving for well-being. One causal arrow at a time.
Screenshots
Verdict
The clearest difference is review sentiment: Arrowz AI at 100% against PixelCalc's 42%. Arrowz AI also leads on price (Free vs $2.99). PixelCalc's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.6). On 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
Arrowz AI is free to download; PixelCalc costs $2.99 up front. Arrowz AI sells 1 in-app purchase, starting at $9.99 per month. PixelCalc asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.
| Parameter | PixelCalc | Arrowz AI |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 5.0 (23 ratings) — better |
| Positive reviews | 41.7% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 23 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 4 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | John Lullie | Arrowz |
Customer experience
PixelCalc
Arrowz AI
In-app purchases
PixelCalc
No in-app purchases
Arrowz AI
- Arrowz Premium7 Days trial$9.991 Month









