INTR vs Projection Mapping Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INTR
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I Need To Remember is a simple widget and lock screen reminder. Decide what you want to be reminded about and the app will show the reminders for you until they have been completed. INTR uses the Apple Health app to automatically track and complete - Meditation reminders - Work out reminders - Logging your weight INTR supports automatic reminders to remind you to take a photo or video each day. You can also add a custom reminder to add your own reminders. You can configure your reminders to only appear certain times of the day
Projection Mapping Toolbox
This utility app assists projection mapping, AV, and live production professionals with on-site calculations. It offers tools for projector placement, throw distance, surface dimensions, and multi-projector layouts, streamlining workflows for technicians and designers.
- Throw Distance Calculator
- Multi-Projector Layouts
- Surface Dimension Tool
- Aspect Ratio Estimator
- CAD PDF Import
- Projector Inventory
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Projection Calculator Toolbox is a mobile utility for projection mapping, AV, and live production workflows. It is designed for on-site calculations where speed and accuracy matter. The app provides tools to calculate projector placement, throw distance, surface dimensions, and multi-projector layouts using real-world measurements and manufacturer specifications. Tools Included Throw Distance Calculator Calculate projector-to-surface distance using lens throw ratios. Multi-Projector Calculations Plan multi-projector layouts with support for edge blending. Surface Dimension Tool Convert physical surface measurements into pixel width and height. Aspect Ratio Estimator Estimate surface aspect ratio using live view or photo reference. CAD PDF Import Import technical drawing PDFs and visualize projector photometrics over layouts. Projector Inventory Store commonly used projector specifications and reuse them across calculations. Projection Calculator Toolbox is intended for technicians and designers who need reliable calculations on site without spreadsheets or desktop software. The interface prioritizes clarity and fast input to minimize setup time. Built with React and Capacitor for native iOS performance.
Screenshots
Verdict
The clearest difference is update cadence: Projection Mapping Toolbox at every 3 weeks against INTR's every 15 months. Projection Mapping Toolbox also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
INTR ships an update every 15 months, Projection Mapping Toolbox every 3 weeks. The most recent releases landed on September 7, 2026 and July 17, 2026 respectively.
| Parameter | INTR | Projection Mapping Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | Norse Ventures LLC | Joseph Shea |
In-app purchases
INTR
No in-app purchases
Projection Mapping Toolbox
No in-app purchases





