ScratchPads vs SensorsCatalog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScratchPads
Quickly jot down notes and have them automatically saved. This utility app offers multiple scratch pads for easy organization and instant recall of your thoughts. Simply close the app to save your work.
- Multiple scratch pads
- Automatic note saving
- Quick text deletion
- Restores last active pad
- Simple interface
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Very simplistic utility app to allow for scratch pad notes to be quickly added and automatically saved. USE: Open app, select one of the "Pads", and record scratch pad notes. To clear a pad, tap the trash icon in the upper right side of the screen and then confirm to delete the pad text. To save the text, just close the app. FEATURES: Five different "Pads" to store scratch pad notes. Delete all text on a Pad with two taps. Scratch pad notes are automatically saved when the app is closed, and restored the next time the app is opened. The last active Pad tab is saved when the app is closed, and restored the next time the app is opened.
SensorsCatalog
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SensorsCatalog is an interactive guide to the sensors built into your iPhone and iPad. It helps developers, students, and curious minds explore and understand real-time data with ease. - Visualize real-time sensor data from the accelerometer, gyroscope, barometer, location, camera, microphone, LiDAR, and more - Explore sensor outputs related to motion, environmental changes, and spatial depth - Quickly access official Apple Developer Documentation for each sensor - Available on both iPhone and iPad
Screenshots
Verdict
The clearest difference is price: SensorsCatalog at Free against ScratchPads's $0.99. ScratchPads's advantage is device support and iOS requirement (15.6 vs 18.1). On 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
SensorsCatalog is free to download; ScratchPads costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ScratchPads | SensorsCatalog |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | — |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.6 — better | 18.1 |
| Further details — not scored | ||
| Size | 0 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Dalke | studio-LEAF Inc. |
In-app purchases
ScratchPads
No in-app purchases
SensorsCatalog
No in-app purchases









