RegEx Lab vs Zeitgeist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RegEx Lab
This app allows users to test and experiment with regular expressions. It offers syntax highlighting, customizable match colors, and a detailed results list. Features include a replace function, dark and light themes, and a helpful cheatsheet for quick reference.
- Regex syntax highlighting
- Match and capture group highlighting
- Customizable highlight colors
- Results list view
- Replace feature
- Dark and light themes
- Regular expression cheatsheet
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RegEx Lab - test regular expressions • Highlighting of regex syntax and of matches and capture groups. • Choose the color of the match highlights • Results List View which lists all the matches and capture groups. • Replace feature • Dark theme (by default) based on the Solarized color palette • Themes to choose from (light/dark) • A handy cheatsheet which tells you about the different operators, option flags and metacharacters. • An extra row of keyboard keys for common special characters • Undo / Redo quick access buttons • Support for Dynamic Type (iOS Settings Text Size) • Export / Import feature Questions, suggestions, issues? regexlab@sovio.co Made by Nikolay Suvandzhiev
Zeitgeist
Monitor your Vercel deployments in real-time. Get instant notifications for build progress, access deployment URLs, logs, and commits, and quickly see if builds are waiting, in progress, or have failed.
- Real-time deployment status
- Build progress notifications
- Quick access to URLs
- View logs and commits
- Monitor build failures
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Zeitgeist helps you stay on top of your Vercel deployments. See deployments wait, build, and finish (or fail); quickly access their URLs, logs, or commits; and get real-time notifications for build progress.
Screenshots
Verdict
The clearest difference is review sentiment: RegEx Lab at 95% against Zeitgeist's 63%. RegEx Lab also leads on rating (4.8 vs 4.4) and ratings volume (172 vs 24). On ads, in-app purchases and chart position 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
RegEx Lab costs $0.99 and Zeitgeist $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RegEx Lab holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: RegEx Lab has 172 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 95% of RegEx Lab's written reviews are positive against 63% of Zeitgeist's.
RegEx Lab ships an update monthly, Zeitgeist every 2 months. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.
| Parameter | RegEx Lab | Zeitgeist |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 4.8 (172 ratings) — better | 4.4 (24 ratings) |
| Positive reviews | 95.0% of reviews — better | 63.2% of reviews |
| Number of ratings | 172 — better | 24 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #45 — better | #80 |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | sovio | Dan Eden |
Customer experience
RegEx Lab
Zeitgeist
Bugs and requests
RegEx Lab
Reported bugs
14 issues- iPad's Files app cannot find the app or Regex files
- Export option creates messy files
- Mac version lacks developer effort
- Slow load screen when creating new expressions
- Select this match option is unreliable
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- Replace function is difficult to understand
- Cheat sheet accessibility issues
- Poor highlighting options
- Keyboard behavior issues
- Import functionality is broken
- Highlighted errors persist
- Difficulty with sequential regex application
- Lack of named group support
- Interface is entirely in English
Requested features
11 requests- Make app and Regex files visible in Files app
- Improve export option for Regex files
- Add a button to clear the text window
- Allow simultaneous viewing of text and replacement text
- Add a button to copy and replace text on the previous screen
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- Add more examples to the cheat sheet
- Add a user manual
- Automatically jump to matched text
- Add a Chinese language option
- Add 'snippets' or templates
- Add a special keyboard for common expressions
Zeitgeist
Not enough reviews yet to summarise bugs or requests.
In-app purchases
RegEx Lab
No in-app purchases
Zeitgeist
No in-app purchases
