HTTrail vs Localizor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HTTrail
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HTTrail is a native network inspection workbench for developers building and testing apps on iPhone, iPad, and Mac. Capture and decrypt the HTTPS traffic from your own device, inspect every request and response down to the byte, then compose and replay requests with a full-featured API client. Everything runs on-device. No account, no backend, no analytics, no ads — your traffic never leaves your device. INTERCEPTING PROXY • Decrypt HTTPS with an on-device certificate authority that mints per-host certificates on the fly • Inspect headers, bodies, timing, and raw hex for every flow • Block, redirect (map local / map remote), rewrite requests and responses, throttle, and set breakpoints • SSL-proxying allowlist so pinned apps keep working • Export captures as HAR API CLIENT • Compose GET, POST and more with params, headers, auth, and structured bodies (JSON, form-urlencoded, multipart) • GraphQL, pre-request and test scripts, and live response preview • Organize requests into collections with environments and history • Import from cURL, OpenAPI 3, and Postman v2.1 • Generate code: cURL, Swift, JavaScript, Python REALTIME • Connect and test WebSocket, Server-Sent Events, Socket.IO, and MQTT • Built-in local test server PRIVATE BY DESIGN HTTrail captures only your own device's traffic, with your explicit consent, and keeps it on your device. No data is collected. Nothing is ever sent to us. HTTrail is a developer tool for debugging and testing your own apps and APIs.
Localizor
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Localizor is a focused, developer-friendly tool that helps you translate and maintain iOS and macOS app localizations exported from Xcode. Import your existing Xcode localization exports (.zip, .xcloc, or .xcstrings), send missing or outdated strings to AI, review the translations, and export updated files back to Xcode – all from your iPhone or iPad. Designed for Apple developers • Works with “Export Localizations…” output from Xcode • Supports .xcloc packages, .xliff and .xcstrings files • Keeps IDs, file structure and placeholders intact • Exports a ready-to-import ZIP or .xcloc back to your Mac AI-powered translations • Translate only missing or all strings in a batch • Preserves placeholders like %@, %d, {count} etc. • Configurable tone of voice (neutral, friendly, formal, etc.) • Custom glossary to lock product names and terminology Review & edit before export • Per-language review screen with search and filters • Highlighted placeholder mismatches and length warnings • Inline editor for individual translations • Warnings for overly long translations Import & export workflows • Import Xcode .zip exports, .xcloc bundles or .xcstrings catalogs • Import localization files from GitHub via URL • Export a full project ZIP or individual .xcloc packages • Share updated files back to your Mac via Files, AirDrop or email Free vs Premium • Free plan includes a limited number of AI-translated strings • Localizor Premium unlocks unlimited AI translations, faster workflows and is ideal for teams maintaining multiple apps Localizor does not require account registration. Your localization files stay under your control: they are imported from your storage, processed, and exported back so you can commit them to your repository as usual. Subscription Plans: - Payment will be charged to your App Store Account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current subscription period. - Your account will be charged for renewal within 24 hours prior to the end of the current subscription period. Automatic renewals will cost the same price you were originally charged for the subscription. - Manage or cancel your subscription from your user settings in the App Store at any time after purchasing. - Any unused portion of a free trial will be forfeited if you purchase a subscription. Privacy Policy: https://sunteame.com/privacy-policy/ Terms of Use: https://sunteame.com/terms-of-service/ If you have questions or feature requests, use the support link in the app to contact us.
Screenshots
Verdict
HTTrail and Localizor are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | HTTrail | Localizor |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 1Moby Co., Ltd. | SUN TEAME PTE. LTD. |
In-app purchases
HTTrail
No in-app purchases
Localizor
No in-app purchases









