API Tester Pocket App vs Knockbox
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
API Tester Pocket App
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API Tester Pocket is the fastest, most intuitive way to send webhooks and test REST APIs directly from your iPhone or iPad. Built by developers, for developers. Whether you're debugging a webhook integration, testing an API endpoint, or monitoring your services on the go β API Tester Pocket has you covered. SEND REQUESTS IN SECONDS β’ Support for GET, POST, PUT, PATCH, and DELETE methods β’ Custom headers with easy toggle on/off β’ Visual payload builder β no coding required β’ Raw JSON editor for advanced users β’ One-tap send with instant response viewing MANAGE THOUSANDS OF WEBHOOKS β’ Organize unlimited webhooks with tags and favorites β’ Quick search and filter to find any endpoint β’ See your most frequently used webhooks at a glance β’ Recent history keeps your workflow fast POWERFUL FEATURES β’ cURL Import β paste any cURL command and auto-fill everything β’ Auto-Save β your last payload is always remembered β’ Date/Time Inserter β quickly add timestamps in any format (ISO 8601, Unix, RFC 2822, and more) β’ Copy any response with one tap β’ View full response headers, body, and status codes β’ Response time tracking for performance monitoring BEAUTIFUL & INTUITIVE β’ Dark mode optimized interface β’ Clean, professional design β’ Smooth animations and haptic feedback β’ Works great on iPhone and iPad PERFECT FOR β’ Backend developers testing APIs β’ Mobile developers debugging integrations β’ DevOps engineers monitoring webhooks β’ QA testers validating endpoints β’ Anyone who works with REST APIs PRIVACY FOCUSED β’ All data stored locally on your device β’ No account required β’ No tracking or analytics β’ Your API keys and tokens stay private Download API Tester Pocket today and take control of your API testing workflow β anytime, anywhere. Questions or feedback? We'd love to hear from you!
Knockbox
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Knock once, and your phone buzzes. Knockbox turns one HTTP request into a push notification on your iPhone. Anything that can send a request can reach you: a deploy script, a cron job, a monitoring check, a CI pipeline, or a coding agent that has just finished a long task. If it needs your go-ahead before continuing, it can wait for your answer. curl -d "Build finished" https://your-server/api/v1/send/YOUR_TOKEN THE SERVER IS YOURS Knockbox is the client for a server you control. The server is open source and runs on a VPS, a NAS, or a Raspberry Pi at home. It holds its own Apple push key, so a notification goes from your machine to Apple and then to your phone, without passing through anyone in between. If you would rather not run anything, you can pair with a public instance by scanning its QR code. WHAT A MESSAGE CAN CARRY β’ A Markdown body with headings, lists, links and syntax-highlighted code. β’ Images, shown in the notification and kept with the message. β’ Long text. The body is fetched as the notification lands rather than packed into it, so there is no length limit to work around. β’ A title, a channel, and an interruption level: quiet, normal, or time sensitive when it has to break through Focus. REPLIES β’ The sender can attach a set of options, or allow a free-text answer. β’ Answer from the message itself. Your server posts the reply back to the address the sender gave, signed, and the sender takes it from there. β’ The sender can set a deadline. After it passes the message reads "Reply window closed" and the server stops accepting β you are never left thinking an answer went through. β’ A message is answered once, and the answer is the same across your devices. CHANNELS β’ One token per channel, so a noisy monitor and a personal reminder stay apart. β’ Muting a channel truly stops it: the mute lives on the server, so nothing is sent at all. β’ Search your history, mark as read, delete a message, or clear a channel. Deletions are real, on the device and on the server. MORE THAN ONE DEVICE Pair a second iPhone or iPad from a device that is already connected. Both receive everything and share read state. TRY IT WITHOUT A SERVER Demo mode fills the app with example messages and sends a sample notification, so you can see how it works before setting anything up. FREE, AND THAT IS ALL No ads, no analytics, no account with us, no in-app purchase, no subscription. The app is free and the server is open source. Questions: info@miramiao.com
Screenshots
Verdict
API Tester Pocket App and Knockbox are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 | API Tester Pocket App | Knockbox |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Daily |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeffery Caldwell | θ θ |
In-app purchases
API Tester Pocket App
No in-app purchases
Knockbox
No in-app purchases





