RegEspresso vs Arikh
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RegEspresso
Test regular expressions with ease. Input your regex pattern and source text to see matches highlighted in real-time. A straightforward tool for developers and anyone working with text patterns.
- Real-time regex matching
- On-the-fly highlighting
- Input regex filter
- Input source text
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Simple regular expression tester. Enter your regular expression filter and enter your source text. Highlights matches on the fly.
Arikh
A fast and simple native text editor for iPad and iPhone. It offers robust code editing with syntax highlighting for numerous languages, and prose writing features like Markdown preview and export options. Designed for professional use with a focus on privacy and a one-time purchase model.
- Syntax highlighting for 20+ languages
- Markdown preview and export
- Auto-save and tab management
- Find and replace with regex
- Split View and Slide Over support
- One-time purchase for iPad and Mac
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Arikh is a native text editor for iPad and iPhone. Fast, direct, and refreshingly simple: open a file, edit it, save it. EDIT ANYTHING Open files from the Files app, iCloud Drive, external drives, or any storage provider Twenty languages with syntax highlighting, plus plain text, CSV, and Markdown Tabs with drag-and-drop reordering Your open tabs come back exactly as you left them, unsaved work included New documents open instantly; choose where to save on the first save Auto-save keeps your files current as you type WRITE CODE Live syntax highlighting for Swift, Python, JavaScript, TypeScript, HTML, CSS, JSON, XML, YAML, SQL, Go, Rust, Kotlin, Dart, PHP, Ruby, shell scripts, and more Seven highlighting themes Line numbers and Go to Line Format Document: Swift formatted with Apple's swift-format, JSON and XML re-indented, whitespace tidied everywhere else Find and replace with case-sensitive, whole-word, and regular-expression matching, including capture groups External keyboard shortcuts throughout WRITE PROSE Markdown preview that renders headings, lists, tables, task lists, code blocks, and images Export to Rich Text, HTML, and CSV, or share anywhere with the iOS share sheet Five text colors chosen to be easy on the eyes against the dark interface, and adjustable font size DESIGNED FOR iPAD Native performance with instant launch Split View and Slide Over Status bar with live word, line, and character counts and cursor position Document Info with size, dates, encoding, and line endings Recent files on the start screen and in the toolbar ONE PURCHASE, iPAD AND MAC Buy Arikh once and it is yours on both. No subscription, no account, no upsell. PRIVACY FIRST Your files stay in your Files app or iCloud Drive. No tracking, no analytics, nothing phones home. Arikh — Text Editor for iPad and iPhone By Deep Dark Abyss Productions Professional tools for professional work
Screenshots
Verdict
The clearest difference is price: RegEspresso at Free against Arikh's $19.99. RegEspresso also leads on in-app purchases (none vs 3) and iOS requirement (8.0 vs 18.4). Arikh's advantage is rating (5.0 vs 4.0). On ratings volume, update cadence, ads 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
RegEspresso is free to download; Arikh costs $19.99 up front. Arikh sells 3 one-off in-app purchases. RegEspresso asks for nothing beyond the download.
Arikh holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
RegEspresso ships an update every 8 months, Arikh every 7 months. Both last shipped on October 20, 2026.
| Parameter | RegEspresso | Arikh |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 8 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 8.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 1 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Yichen Cao | James Nerlinger |
Customer experience
RegEspresso
Arikh
In-app purchases
RegEspresso
No in-app purchases
Arikh
- Supporter$1.99
- Patron$4.99
- Champion$9.99









