ViewChanger vs TrackOSC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ViewChanger
Access full PC layouts of websites on your phone, ideal for managing admin panels and business sites. Instantly switch between desktop and mobile views without reloading pages, ensuring all critical information is visible.
- View full PC website layouts on mobile
- Instant view switching without page reload
- Adjustable viewport width (390px–3840px)
- 74 different User-Agent string options
- Save custom presets
- Built-in screenshot feature
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You're away from your PC, but you need to check an admin panel or business site right now. This app is built for exactly that moment. ViewChanger is a browser app that lets you view any website in full PC layout from your phone. Fields and columns that mobile view hides in admin panels and business systems stay visible once you switch to PC layout — and the change happens instantly, with no page reload. ■ When This Helps • Checking or operating an admin panel while you're out • Mobile view hides key fields, making work difficult • Safari's "Request Desktop Website" isn't enough • No PC on hand, but you need to handle something right now • Checking a business site or internal company tool from your phone ■ Great For Checking • CMS and WordPress admin panels • E-commerce admin panels • Ad manager dashboards, booking and sales dashboards • Internal business systems and dashboards ■ Key Features • Change viewport width instantly with no page reload (390px–3840px) • Check how sites respond to 74 different User-Agent strings • Switch between iPhone, iPad, and desktop resolutions with one tap • Save up to 10 custom presets for settings you use often • Share results instantly with the built-in screenshot feature • Bookmark favorite sites for one-tap access ■ Also Great For Web Creators ViewChanger also helps web designers who spend too much time on responsive design checks, frontend engineers who want to streamline cross-browser checks, and QA engineers who need to verify layouts across multiple devices. ■ How To Use 1. Enter a URL to load the site 2. Choose PC, Mobile, or Custom mode 3. Adjust the viewport width with the slider 4. Change the User-Agent if needed ■ Privacy & Security Your browsing data and personal information are never sent externally. All settings are stored locally on your device only. The browser that's most useful the moment you don't have a PC.
TrackOSC
This app transforms your iPhone into a wireless motion-tracking camera. It streams real-time pose, face, text, and animal tracking data over your local network as OSC messages. All processing is done on-device, ensuring your video never leaves your phone.
- Live tracking overlays (body, hand, face, text, animals)
- Per-detector toggles for performance
- Front/back camera support with selfie mirror
- Portrait/landscape orientation lock
- Automatic OSC receiver discovery (Bonjour)
- Hide-video mode for stage use
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TrackOSC turns your iPhone into a wireless motion-tracking camera. Point it at a person and it streams live tracking data – body poses in 2D and 3D, hand poses, face landmarks, recognised text, animals, people, barcodes, outlines, the horizon and rectangles – over your local network as OSC (Open Sound Control) messages, ready for TouchDesigner, Max/MSP, Processing, openFrameworks, Pure Data, SuperCollider, Unity, or anything else that speaks OSC. All processing happens on-device with Apple's Vision framework. No video ever leaves your phone – only numbers. WHAT IT TRACKS • 2D Body: a 17-joint skeleton in pixels • 3D Body: a 17-joint skeleton in metres – real depth from a single camera, with each joint's pixel position alongside • Hand: 21 joints per hand, up to two hands • Face: the face box, head rotation and jawline contour, and Face Landmarks: the full 76-point constellation – eyes, pupils, brows, nose, lips, jaw • Text: recognised text with its bounding box • Animal: cat and dog boxes, and Animal Pose: full 25-joint cat and dog skeletons • Human: whole-body boxes that keep counting people at distances where pose estimation gives up • Barcode: QR codes and 1D/2D barcodes with position, corners, symbology and payload • Contours: every edge outline in the frame as closed polylines • Horizon: the horizon's angle and a line across the frame • Rectangles: screens, paper, doors – a box plus four corners FEATURES • Live tracking overlays on the camera view, colour-coded per detector • One chip per detector – run just what you need for the best frame rate; 3D Body runs in its own lane so it never slows the others • Front or back camera, with a natural selfie mirror (wire data is never mirrored) • Portrait and landscape, with an orientation lock for phones mounted on tripods and rigs • Automatic discovery of receivers on your network via Bonjour – or type any IP and port • Hide-video mode: tracking overlay only, on black – for stage and installation use • Free, notarised macOS companions – a Receiver with 2D and 3D views, a Recorder that records and replays the stream, a Speaker that reads it aloud, and a Router that turns it into MIDI, Shortcuts, key presses and HTTP – plus open-source receiver examples for Processing, Python, p5.js, TouchDesigner, Max/MSP, Pure Data, openFrameworks and SuperCollider, all from the project page COMPATIBILITY TrackOSC speaks exactly the same OSC wire format as VisionOSC and PoseOSC, so existing receivers and patches work unchanged. The newer detectors arrive as additional messages that older receivers simply ignore. Coordinates are in pixels, origin top-left, with the frame dimensions in every message. PRIVACY No accounts, no analytics, no ads. Camera frames are analysed on the device and discarded; tracking data is sent only to the destination you choose. TrackOSC is open source: https://github.com/JGL/TrackOSC
Screenshots
Verdict
The clearest difference is price: TrackOSC at Free against ViewChanger's $1.99. On update cadence, ads, in-app purchases 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
TrackOSC is free to download; ViewChanger costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ViewChanger ships an update every 2 weeks, TrackOSC fortnightly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.
| Parameter | ViewChanger | TrackOSC |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 33 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Seiya.k | Joel Lewis |
In-app purchases
ViewChanger
No in-app purchases
TrackOSC
No in-app purchases









