HookTrace vs JWT Lens
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
HookTrace
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HookTrace is the ultimate bridge between your iPhoneβs high-precision GPS and your private automation infrastructure. Tired of cloud services owning your location history? HookTrace puts you back in the driver's seat. It turns your device into a universal GPS sensor that transmits live location data directly to any Webhook URL you specify. Perfect for: β’ Smart Home Automation (Home Assistant, OpenClaw, Jeedom) β’ Workflow Engines (n8n, Node-RED, Zapier) β’ Custom Developer Projects & Dashboards Key Features: β’ FULL PRIVACY: No third-party servers. Data goes from your phone straight to your endpoint. β’ BACKGROUND TRACKING: Runs reliably in the background, optimized for iOS 18+. β’ FULLY CUSTOMIZABLE: Set custom Authorization headers and Device IDs. β’ BATTERY OPTIMIZED: Choose between "Significant Change" mode for extreme battery saving or "Real-time" for high-precision tracking. β’ LIVE MAP: See your current location and breadcrumb trail at a glance. Technical Specs: β’ Standard JSON Payload (Latitude, Longitude, Accuracy, Speed, Battery, Timestamp). β’ Supports HTTPS and custom Auth-Headers. β’ Distance-based filters to prevent unnecessary data spam. Stop sharing your life with big tech. Start hooking your traces to your own home.
JWT Lens
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JWT Lens is a fast, private JSON Web Token decoder and verifier for developers β a Safari extension that works entirely on your device. Tap the toolbar icon, paste a token (or grab the text you've selected on the page), and instantly see: β’ Pretty-printed, color-coded Header and Payload β’ Human-readable timestamps β exp, iat and nbf shown in your local time with relative phrasing ("expires in 59 minutes") β’ An at-a-glance expiry badge: valid, expired, or not yet valid β’ Plain-English descriptions of standard claims (iss, sub, aud, and more) Need to check a signature? JWT Lens verifies HS256/384/512, RS256/384/512, PS256/384/512 and ES256/384/512 using a secret or PEM public key you provide β all computed locally with the system's WebCrypto, never sent anywhere. Privacy by design: β’ No network requests β ever β’ No analytics, no tracking, no accounts β’ Nothing is stored: tokens and keys live only in the popup while you use it Whether you're debugging OAuth / OIDC flows, inspecting a bearer token, or learning how JWTs work, JWT Lens keeps it quick, clear, and completely on-device. Universal app: works in Safari on macOS, iOS and iPadOS.
Screenshots
Verdict
The clearest difference is iOS requirement: JWT Lens at 16.4 against HookTrace's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | HookTrace | JWT Lens |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Mac β better |
| Requires iOS | 26.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 13 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jakob Kramer | Masaya Kontani |
In-app purchases
HookTrace
No in-app purchases
JWT Lens
No in-app purchases









