Comparison

eBook Studio vs Shell Keyboard

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

Head to head
About

eBook Studio

Features
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Easy eBook Maker for Everyone This app allows anyone to create eBooks with ease. Simply prepare your manuscript, and you can generate an EPUB file immediately. It is highly recommended for those looking to publish on Kindle or distribute their own digital books. From novels and practical guides to workbooks and manuals, you can create a wide variety of books. With intuitive controls that require no HTML or specialized knowledge, it’s the ideal tool for personal publishing and Kindle Direct Publishing (KDP).

About

Shell Keyboard

Features
Read full description

Shell Keyboard adds the keys a terminal actually needs — the ones iOS's default keyboard leaves out. Working over SSH or in a local shell needs Ctrl, Esc, Tab, arrow keys, and function keys, none of which exist on the standard iOS keyboard. Shell Keyboard is a custom keyboard built specifically for terminal apps like Blink, Termius, Prompt, a-Shell and iSH — it sends the exact ASCII control codes and ANSI/VT escape sequences your terminal expects, the same bytes a physical keyboard would send. NEW ON IPAD: A REAL KEYBOARD Choose a 60% or 75% layout, the compact keyboards terminal users already type on. The 75% layout puts Esc, F1–F12, a number row, Caps Lock, Home, End, Page Up, Page Down and inverted-T arrow keys on one screen, and Shift types the symbol printed on each key, just like a physical keyboard. The 60% layout keeps the function keys, navigation and arrows one fn press away. iPad opens in the 75% layout; the original ShellKey layout is one tap away in Settings. WHAT'S INCLUDED • A dedicated terminal layer: Ctrl, Alt, Esc, Tab, arrow keys, Home/End/PgUp/PgDn, and the punctuation a shell prompt uses constantly • Ctrl and Alt as proper modifiers — latch one for a single keypress, or double-tap to lock it on, like a hardware keyboard • A full function-key layer: tap fn and the top row becomes F1 through F12, while every other row stays exactly where it was • Arrow keys that match the app you're in — Normal for shells, Application for vim, tmux, less and htop, or Move the Cursor for ordinary text fields • Return or Enter: long-press the Return key to switch between a carriage return and a line feed • A plain QWERTY layer and a complete symbols layer, for ordinary text — hostnames, paths, commit messages — without leaving the keyboard • Seven themes — Shell, Ember, Glacier, Dusk, Moss, Void (pure black) and High Contrast — each in light and dark, and an Appearance option to keep the keyboard light or dark everywhere • On iPad, 60% and 75% layouts (75% by default), described above • A searchable reference inside the app, listing every key alongside the exact escape sequence and hex bytes it sends • Every key emits the exact byte sequence a real terminal expects SETTINGS LIVE IN THE KEYBOARD Touch and hold the key with the small gear (or tap the gear key on the iPad's 60% and 75% layouts) for Haptic feedback, Theme, Appearance and, on iPad, Layout. They live in the keyboard itself because, without Full Access, iOS keeps a keyboard and its app apart, and Shell Keyboard never asks for Full Access. BUILT FOR PRIVACY Shell Keyboard never asks for Full Access. It cannot reach the network. It never reads, stores, or transmits anything you type — every key it sends is decided from the key you tapped, and nothing else. No analytics, no crash reporting, no account. GOOD TO KNOW In a terminal or editor running inside a web browser — code-server, Jupyter and the like — the keys that send a multi-character escape sequence don't get through: the arrow keys, F1 through F12, Home, End, Page Up, Page Down, Shift+Tab and Alt combinations. Everything that sends a single byte works there normally, including every Ctrl combination, Esc, Tab, Return and ordinary typing. Web pages listen for key press events and iOS only lets a keyboard extension insert text, so this is an iOS limitation that applies to every third-party keyboard, not something an app can work around. WHO IT'S FOR Anyone who SSHes from an iPhone or iPad — sysadmins, developers, and anyone tired of missing Ctrl+C.

Screenshots

eBook Studio2 screens
Shell Keyboard4 screens

Verdict

The call

The clearest difference is chart position: Shell Keyboard at #3 against eBook Studio's #145. eBook Studio's advantage is iOS requirement (12.0 vs 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

eBook Studio costs $0.99 and Shell Keyboard $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

eBook Studio ships an update every 8 days, Shell Keyboard fortnightly. Both last shipped on October 24, 2026.

Scorecard2 real differences · 7 level
eBook Studio versus Shell Keyboard: the parameters behind the verdict, then further details
ParametereBook StudioShell Keyboard
Price$0.99$0.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 8 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
Best chart rank#145#3 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size31 MB3 MB
Age rating4+4+
Developer株式会社キイロ乃カモNguyen Nguyen

In-app purchases

None

eBook Studio

No in-app purchases

None

Shell Keyboard

No in-app purchases

Questions

Is eBook Studio free?
eBook Studio costs $0.99, with no in-app purchases.
Is Shell Keyboard free?
Shell Keyboard costs $0.99, with no in-app purchases.
Do eBook Studio or Shell Keyboard have ads?
Neither eBook Studio nor Shell Keyboard shows ads.
Which is updated more often, eBook Studio or Shell Keyboard?
eBook Studio ships an update every 8 days, and Shell Keyboard fortnightly. Most recently, eBook Studio was updated on October 24, 2026 and Shell Keyboard on October 24, 2026.
Which is more popular, eBook Studio or Shell Keyboard?
eBook Studio currently peaks at #145 in the App Store charts, and Shell Keyboard at #3. Chart position reflects recent download velocity rather than total install base.

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