ParseLab vs Codex Meter
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ParseLab
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ParseLab is the professional data format editor for iPhone and iPad. View, edit, validate, convert and compare your config and data files with a fast, native app built for iOS 26 and the Liquid Glass design. SUPPORTS 8 FORMATS JSON, YAML, TOML, XML, PLIST, INI, ENV and CSV. Open the file, and ParseLab detects the format automatically. FREE FEATURES - View and edit all 8 file formats - Beautiful syntax highlighting - Tree view navigation for hierarchical data - Live CSV spreadsheet table view - Inline validation that flags duplicate keys and trailing commas as you type - Basic schema validation - File info and per-format statistics - Light and dark themes - Built-in sample files to get started - Works completely offline - No ads, no tracking, no accounts PARSELAB PRO (one-time purchase, no subscription) - Format conversion suite: convert between JSON, YAML, TOML, XML and CSV in a tap - Batch conversion and reusable conversion presets - Advanced search and query tools, including JSONPath and XPath - Diff and Compare: spot every change between two files - Data analytics and visual data explorer - AI-powered features: natural language queries and smart suggestions - Premium syntax themes - Schema validation for JSON - Export with custom formatting - Unlimited file size and unlimited recent files history PERFECT FOR - Developers working with configuration files - API testing and debugging - Data analysis and exploration - Editing config files on the go - Learning and exploring file formats WHY PARSELAB - Native app built for performance on iOS 26 - Privacy first: all processing happens on your device - One-time Pro purchase, no subscriptions, no recurring fees - Available in English, Spanish, Hindi, Simplified Chinese and Traditional Chinese - Regular updates and responsive developer support Download ParseLab today. Start with the generous free tier, and upgrade to Pro when you need conversion, advanced search, diff and analytics.
Codex Meter
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Codex Meter puts your Codex allowance where it is easy to checkβon your iPhone, iPad, and Home Screen. Sign in with your existing OpenAI account to see your current five-hour and weekly usage windows, upcoming reset times, plan status, and earned reset credits. Clear visual meters make the important numbers easy to understand without repeatedly opening a browser. FEATURES Five-hour and weekly Codex allowance meters Locally updating reset countdowns Earned reset-credit inventory and expiry information Confirmation before reset-credit redemption Home Screen and accessory widgets Optional refill, credit increase, and credit expiry notifications Background refresh and offline display of the latest successful update Offline demo mode for exploring the interface without signing in PRIVATE BY DESIGN Codex Meter has no analytics, advertising, developer-operated account system, or relay server. Credentials stay in Apple Keychain, and authenticated requests go directly from your device to OpenAI. Codex Meter is an independent, unofficial client and is not affiliated with or endorsed by OpenAI. ChatGPT and Codex are trademarks of their respective owners.
Screenshots
Verdict
The clearest difference is in-app purchases: Codex Meter at none against ParseLab's 1. Codex Meter also leads on update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ParseLab sells 1 one-off in-app purchase. Codex Meter asks for nothing beyond the download.
ParseLab ships an update every 2 months, Codex Meter daily. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.
| Parameter | ParseLab | Codex Meter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Daily β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, Mac β better | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details β not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Nevv Atlantis LLC | Filip Bukovina |
In-app purchases
ParseLab
- ParseLab Pro$4.99
Codex Meter
No in-app purchases









