Comparison

Speedo Speedometer Alerts vs Zelmux

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Speedo Speedometer Alerts

Track your speed and path in real-time on your Apple Watch. Set custom speed alerts for safety and visualize your route with an intuitive overlay. Perfect for runners, cyclists, and outdoor adventurers.

Highlights
  • Real-time speed updates
  • Switchable units (km/h, mph)
  • Customizable low/high speed alerts
  • Path overlay on watch face
  • Crown control for path visibility
Read full description

Speedo Speedometer Alerts is a comprehensive speed tracking app designed exclusively for Apple Watch. With its intuitive interface and advanced features, it's the perfect companion for running, cycling, or any outdoor adventure where speed matters. Get real-time speed updates displayed prominently on your wrist. Whether you prefer kilometers per hour (km/h) or miles per hour (mph), Speedo Speedometer Alerts allows you to switch between them effortlessly with a simple long-press on the speed display. Take control of your safety with customizable low speed and high speed warnings. You can set your own limits and receive distinct alert vibrations and sounds when you approach or exceed them. Stay within your desired speed range and ensure a secure and enjoyable experience. The app goes beyond just speed tracking. It also offers a unique path overlay feature that displays a trail of your current path directly on your watch face. Simply rotate the crown to hide or show the trail, adding an extra layer of visual information to enhance your outdoor activities. Speedo Speedometer Alerts is the ultimate tool for athletes, fitness enthusiasts, and anyone who wants to stay informed about their speed. Download Speedo Speedometer Alerts now and embark on your next adventure with confidence. Stay on track, stay safe, and push your limits with this exceptional speed tracking app! IMPORTANT NOTICE: The responsiveness of the app is limited by the frequency of speed updates reported by the watch, and may at times, see delayed or missing updates and alerts inside this app, and does not assure accuracy. Users are advised to adhere to local traffic laws and prioritize safety while using the speed tracking features.

About

Zelmux

Features
Read full description

Zelmux is a mobile client for Zellij,Tmux and SSH. It's optimized for Claude and Codex cli. Connect to a Zellij server running on your Mac or Linux box and attach to live sessions from your iPhone. Built for developers who run long-lived agent workflows — Claude Code, Codex, build watchers, log tails — and want to check in, steer, or paste prompts without opening a laptop. KEY FEATURES • Attach to your Zellij sessions over HTTPS and WebSocket • Secure self-signed TLS support with certificate pinning • Fast ANSI terminal rendering powered by SwiftTerm • Prompt composer with Send, Paste, and Stage modes • Bracketed-paste support for safer multi-line prompts • Saved snippets for repeat commands • Touch modes for scrolling, selection, and terminal mouse input • Pinch to zoom terminal font size • Focus mode for full-screen terminal viewing • Local-first design with no cloud account, telemetry, or third-party tracking

Screenshots

Zelmux2 screens

Verdict

The call

The clearest difference is iOS requirement: Speedo Speedometer Alerts at 13.0 against Zelmux's 16.0. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Speedo Speedometer Alerts ships an update every 11 days, Zelmux every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 8 level
Speedo Speedometer Alerts versus Zelmux: the parameters behind the verdict, then further details
ParameterSpeedo Speedometer AlertsZelmux
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 11 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperChalil Ramachandran AbhijithYang Zhang

In-app purchases

None

Speedo Speedometer Alerts

No in-app purchases

None

Zelmux

No in-app purchases

Questions

Is Speedo Speedometer Alerts free?
Speedo Speedometer Alerts is free to download, with no in-app purchases.
Is Zelmux free?
Zelmux is free to download, with no in-app purchases.
Do Speedo Speedometer Alerts or Zelmux have ads?
Neither Speedo Speedometer Alerts nor Zelmux shows ads.
Which is updated more often, Speedo Speedometer Alerts or Zelmux?
Speedo Speedometer Alerts ships an update every 11 days, and Zelmux every 3 weeks. Most recently, Speedo Speedometer Alerts was updated on November 3, 2026 and Zelmux on October 31, 2026.

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