Screen Test Utility vs Zelmux
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Screen Test Utility
Verify your iOS device's touchscreen functionality with this straightforward tool. It allows you to test every touch point, ensuring accurate response, especially after repairs or if the screen is damaged. Enjoy a clean, ad-free experience for a one-time purchase.
- Test every touch point
- Verify touchscreen performance
- Ideal for cracked or repaired screens
- Ad-free experience
- One-time purchase
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Screen Test Utility is a simple and reliable tool for iOS device owners who want to verify touchscreen performance. Whether your screen is cracked, recently repaired, or replaced, this app allows you to test every touch point and ensure full functionality. For a one-time purchase of $0.99, Screen Test Utility is available across all your iOS devices, giving you peace of mind that your screen responds accurately everywhere. No ads. No distractions. Just a clean, effective touchscreen testing experience.
Zelmux
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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
Verdict
The clearest difference is price: Zelmux at Free against Screen Test Utility's $1.99. Zelmux also leads on update cadence (every 3 weeks vs every 24 months). On ads, in-app purchases, device support and iOS requirement 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
Zelmux is free to download; Screen Test Utility costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Screen Test Utility ships an update every 24 months, Zelmux every 3 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | Screen Test Utility | Zelmux |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.0 (8 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 24 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Twosome Solutions LLC | Yang Zhang |
In-app purchases
Screen Test Utility
No in-app purchases
Zelmux
No in-app purchases
Questions
Is Screen Test Utility free?
Is Zelmux free?
Do Screen Test Utility or Zelmux have ads?
Which is updated more often, Screen Test Utility or Zelmux?
Other comparisons
