Sensor Viewer vs Web Modifier
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sensor Viewer
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Visualise the data from 3 of your phone's sensors And adjust the sensitivity of the sensors to match the sounds, vibrations or magnetic fields you're measuring For sounds: See a sound wave for all sounds picked up by the microphone For Vibrations: See 3 line graphs showing the movements of the phone, 1 line per dimension (up/down, left/right, forwards/backwards) For Magnetic Fields: See a graph of the magnetic field your phone can detect, even if that's just your speakers or the batteries in some of your other devices Supports Light Mode / Dark Mode Supports Dynamic Text Sizing Supports English, French, Spanish, German Optional one-time in-app purchase available to remove ads permanently. Purchases can be restored on supported devices using the same Apple ID or Optional auto-renewing subscription available to remove ads. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://salisburyapps.co.uk/privacy-policy-sensor-viewer/
Web Modifier
This browser allows you to locally edit and customize visible webpage text. Preview your changes instantly and save modifications to be reapplied automatically on future visits. It's designed for lawful preview and testing of content you own or are authorized to modify.
- Local webpage text editing
- Save and manage modifications
- Automatic modification reapplication
- Custom webpage location testing
- Webpage screenshot capture
- Desktop version requests
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Web Modifier is a lightweight browser that lets you preview and customize visible webpage text locally on your device. Open a webpage, enter Edit Mode, select visible text, and preview your changes instantly. Saved modifications can be automatically reapplied on future visits. Changes affect only the webpage displayed inside the app—they do not alter the original website or any data stored on its servers. KEY FEATURES • Browse and search with back, forward, reload, and full-screen controls • Edit visible webpage text locally (Pro) • Save, enable, disable, and manage webpage modifications (Pro) • Automatically apply saved changes on future visits (Pro) • Choose a custom webpage location when testing location-aware pages (Pro) • Capture and share webpage screenshots • Share webpage links • Request desktop versions of websites PRO ACCESS Pro unlocks: • Local webpage text editing • Saving, managing, and automatically applying webpage modifications • Custom webpage location for testing location-aware pages A free trial provides temporary access to Pro features. After the trial, Pro can be unlocked with a one-time, non-consumable in-app purchase. This is not a subscription. Previous purchases can be restored through the App Store. ACCEPTABLE USE Web Modifier is intended for lawful preview and testing. Use it only with webpages and content you own or are authorized to test. Do not use it to bypass security controls, gain unauthorized access, commit fraud, or violate applicable laws or third-party rights.
Screenshots
Verdict
The clearest difference is device support: Web Modifier at 3 against Sensor Viewer's 1. Web Modifier also leads on iOS requirement (15.6 vs 17.0). 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. Sensor Viewer sells 2 in-app purchases, starting at $0.99 per year and Web Modifier sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Sensor Viewer | Web Modifier |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Salisbury Apps | 奎奎 陈 |
In-app purchases
Sensor Viewer
- Annual Subscription$0.991 Year
- One time / Lifetime purchase$1.99
Web Modifier
- Web Modifier Pro$9.99









