Comparison

ShellRef vs Melo

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

Head to head
About

ShellRef

This app provides an offline reference for Bash, Zsh, and terminal editors, mimicking a retro technical manual. It's ideal for quickly looking up commands, syntax, and scripting practices without needing an internet connection. Features include search, bookmarks, and customizable display themes.

Highlights
  • Offline Bash and Zsh reference
  • Terminal editor guides (Nano, Vim, Emacs)
  • Quick command lookup
  • Searchable content
  • Customizable themes
  • Adjustable text size
  • Bookmarks
Features
Read full description

ShellRef is an offline reference for Bash, Zsh, and terminal editors, presented as a focused CRT console reference manual. It’s designed for quick lookup while you work—whether you’re writing your first shell script, checking quoting rules, reviewing Zsh behavior, or trying to remember a Vim command without opening a browser. The app includes reference sections for: • Bash fundamentals, control flow, functions, strings and arrays, file I/O, processes, and scripting practices • Zsh differences, globbing, arrays, and configuration • Common command-line tools for text processing, file operations, and system tasks • Terminal editors including Nano, Vim, and Emacs Topics are organized as short reference entries with examples, notes, warnings, and tables where they help clarify syntax and behavior. ShellRef also includes: • Offline access to the full reference library • Search across commands, topics, examples, and notes • My Quick Refs for saving frequently used entries • A CRT-inspired interface with White, Green, and Amber phosphor display modes • Optional scanlines and adjustable display glow • Reduced-effects controls for a cleaner reading experience • Adjustable text size for easier reading on iPhone and iPad ShellRef is intended for developers, sysadmins, students, and anyone who wants a readable shell reference without ads, accounts, or an internet connection.

About

Melo

Features
Read full description

Words worth keeping. Melo brings the words you discover in conversations with AI into a personal vocabulary collection. Save words as you chat, then return to it later with its meaning, pronunciation, and examples together. SAVE AS YOU CHAT Learning a new expression or stumbling across an unfamiliar word? Connect Melo to AI that supports custom MCP connections -- Claude, Grok, etc., without copying it into another notebook. SEE IT IN A SENTENCE Review your words on simple, swipeable flashcards. Hear their pronunciation and revisit example sentences that help them feel familiar. MORE THAN A TRANSLATION Open a word to explore its meaning, examples, translations, and conjugations when available. YOUR WORDS, ALL TOGETHER Search your collection and browse by language or word type. Keep words from different languages together, ready for your next review. Sign in with Apple and follow the in-app guide to connect Melo to AI. You can also explore the demo before connecting. A little every day.

Screenshots

ShellRef4 screens
Melo4 screens

Verdict

The call

The clearest difference is price: Melo at Free against ShellRef's $0.99. Melo also leads on update cadence (every 5 days vs every 3 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Melo is free to download; ShellRef costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ShellRef ships an update every 3 weeks, Melo every 5 days. Both last shipped on October 31, 2026.

Scorecard2 real differences · 7 level
ShellRef versus Melo: the parameters behind the verdict, then further details
ParameterShellRefMelo
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size19 MB2 MB
Age rating4+4+
DeveloperAndrew BaconZui Chen

In-app purchases

None

ShellRef

No in-app purchases

None

Melo

No in-app purchases

Questions

Is ShellRef free?
ShellRef costs $0.99, with no in-app purchases.
Is Melo free?
Melo is free to download, with no in-app purchases.
Do ShellRef or Melo have ads?
Neither ShellRef nor Melo shows ads.
Which is updated more often, ShellRef or Melo?
ShellRef ships an update every 3 weeks, and Melo every 5 days. Most recently, ShellRef was updated on October 31, 2026 and Melo on October 31, 2026.

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