Hapi vs Marshal Stack
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Hapi
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Hapi is a simple, privacy-first mobile app for checking the health of your APIs directly from your device. Add your API endpoints, run quick health checks, and view response status and history without accounts, servers, or complicated setup. Everything runs locally on your phone. Hapi is designed as a lightweight companion for developers who want a fast way to check API health on the go, not a full uptime monitoring platform. What Hapi does: β’ Perform manual health checks against your API endpoints β’ View HTTP status codes and response timing β’ Store endpoint history locally on your device β’ Quickly refresh and review endpoint status β’ Home screen widgets for fast access (coming soon) Privacy first, by design: β’ No accounts or sign-ups β’ No proprietary backend servers β’ All endpoint data is stored locally on your device β’ Anonymous, minimal analytics and crash reporting only Your APIs stay yours. Pricing: β’ Hapi is free to get started. Upgrade to Hapi Unlimited with a one-time purchase to unlock: β’ Unlimited endpoints β’ Unlimited local history β’ Future features as they roll out No subscriptions. No recurring fees. Important notes: β’ Hapi does not provide uptime guarantees or alerts β’ Checks are run manually or on-device only β’ Endpoint availability depends on external systems Hapi is best used as a quick API health check tool, not mission-critical monitoring. Built for developers: Hapi is built by an indie developer who uses it daily, with a focus on speed, simplicity, and respecting your data. Have feedback or feature ideas? Youβre always welcome to get in touch.
Marshal Stack
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Marshal Stack is one screen for everything you have already shipped. Your apps in the App Store, the sites and APIs behind them, and the servers you run yourself β all read by one rule: green is fine, amber needs a look, red is down. WHAT IT WATCHES β’ App Store β rating, review count, latest version, and the release state: in review, rejected, ready for sale. β’ Sites and APIs β checked every minute, with the latency next to the result. A notification arrives when an address stops answering twice in a row, and again when it recovers. β’ Your own servers β CPU, memory, disk, load and the heaviest processes, reported by a small agent you install with one line on a machine you already own. β’ Alerts that say what to do, not only what broke β memory over the threshold, a process running from /tmp, a port that was not open yesterday. YOUR KEYS, YOUR MACHINES Connect your own App Store Connect key, or none at all. The server agent dials out over HTTPS: it opens no port, reads no files, touches no databases, and uninstalls with one command. There is no registration form. Sign in with GitHub, or just open the app and look around on sample data bundled inside it β no account, no keys, no network. ON THE WRIST The same three states on Apple Watch. A glance tells you whether anything needs you, and a tap opens the one thing that does. Free. No subscription, no in-app purchases, no ads, no third-party trackers.
Screenshots
Verdict
The clearest difference is in-app purchases: Marshal Stack at none against Hapi's 1. On price, ads, device support and iOS requirement 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. Hapi sells 1 one-off in-app purchase. Marshal Stack asks for nothing beyond the download.
| Parameter | Hapi | Marshal Stack |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch β better |
| Requires iOS | 16.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 52 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Jared Hall | Alexandr Degteari |
In-app purchases
Hapi
- Hapi Unlimited$19.99
Marshal Stack
No in-app purchases









