Comparison

Pupil Detection vs Zelmux

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

Head to head

Zellij terminal on the go

Free

🔧 Utilities

No ratingsView app →

About

Pupil Detection

Features

Read full description

Detect and track pupils.

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

Pupil Detection1 screens

Zelmux2 screens

Verdict

The call

The clearest difference is ads: Zelmux at none against Pupil Detection's shown. On price, update cadence, in-app purchases and device support 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

Pupil Detection ships an update every 2 weeks, Zelmux every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 5 level

Pupil Detection versus Zelmux: the parameters behind the verdict, then further details
Parameter	Pupil Detection	Zelmux
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 3 weeks
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone	iPhone, iPad — better
Requires iOS	17.7.2	16.0 — better
Further details — not scored
Size	36 MB	6 MB
Age rating	4+	4+
Developer	Hideaki Uchikoshi	Yang Zhang

In-app purchases

None

Pupil Detection

No in-app purchases

None

Zelmux

No in-app purchases

Questions

Is Pupil Detection free?

Pupil Detection is free to download, with no in-app purchases.

Is Zelmux free?

Zelmux is free to download, with no in-app purchases.

Do Pupil Detection or Zelmux have ads?

Pupil Detection shows ads; Zelmux does not.

Which is updated more often, Pupil Detection or Zelmux?

Pupil Detection ships an update every 2 weeks, and Zelmux every 3 weeks. Most recently, Pupil Detection was updated on October 9, 2026 and Zelmux on October 8, 2026.