Comparison

iDeveloper vs EMF Meter

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

Head to head
About

iDeveloper

Features
Read full description

iDeveloper is an offline-first developer workstation for iOS and macOS. One native app for coding helpers, converters, and lookups. No account required. On-device tools, offline cheatsheets, workflow memory, plus widgets, Live Activity, Share Extension, Control Center, Siri, Shortcuts, Spotlight, and deep links. Why iDeveloper - On-device first: format, encode, hash, regex, color, and most conversions run locally - Offline handbook: about 14 topics and about 420 bilingual entries - Workflow memory: favorites, history, snippets, send-to-tool, and share delivery - Native surface: widgets, Live Activity, Share Extension, Control Center, Siri, Shortcuts, Spotlight - Privacy by design: no third-party ads or analytics SDKs, no forced sign-in; network tools only when you start them 190-plus tools for daily development Format: JSON, XML, YAML, TOML, CSV, SQL, HTML, CSS, JavaScript, GraphQL, INI, Properties, JSONPath. Encode: Base64, Base64 image and Data URI, URL encoding, Unicode, HTML entities, Hex, JWT, Base32, Gzip, Punycode. Crypto: MD5 and SHA hashes, HMAC, AES, password tools, TOTP, CRC32, Base58, PEM, JWT signing, SSH fingerprint. Time: Unix timestamp, timezones, Cron, duration, date diff, workdays, relative time, ICS, RRULE. Regex: test, escape, extract, split, filter, count, Glob, wildcard-to-regex, regex cheatsheet. Color: HEX, RGB, HSL, WCAG contrast, gradients, named colors, mix. Numbers: base convert, file size, unit convert. Network: HTTP request that sends only when you tap send, cURL convert, raw messages, HAR, URL parse and build, headers, Cookie, CORS, CSP, status codes, MIME, CIDR, IPv6, Wi-Fi QR. IP lookup only when you start it. Text: case styles, sort and dedupe, word count, Diff, find and replace, Markdown, slugify, JSON Diff, list compare, extract URLs and emails, strip HTML. Generators: UUID, ULID, NanoID, Mongo ObjectId, Snowflake, random bytes, QR generate and scan on iOS, Focus timer with Dynamic Island. Convert: JSON to Swift, TypeScript, Go, Kotlin, Python; XML and JSON; Markdown and HTML; QueryString; Plist; OpenAPI; Schema; XPath; SQL INSERT. DevOps: SemVer, dotenv, env diff, EditorConfig, gitignore, Git URL, Dockerfile, Kubernetes YAML, PKCE, OAuth URL. Apple: app icon sizes, Bundle ID, screen points, SF Symbols, Entitlements, Info.plist, ATS exceptions, APNs payload, Privacy Manifest, AASA helpers. Offline handbook Curated bilingual handbook in Chinese and English, with Traditional Chinese via conversion. Topics include HTTP, headers, MIME, Git, Docker, Kubernetes, Linux, Cron, SQL, Regex, SSH, npm, JWT, and TLS. Home shows a daily tip; widgets can show daily cheatsheet content. Workflow that connects tools - Favorites, recent tools, history, snippets, search, and Spotlight - Share Extension: send text from Notes, Safari, Xcode, and more into a tool - Suggested / Recent tool picker; send to tool for the next step Native Apple capabilities - Widgets: daily cheatsheet, quick tools, timestamp, favorites - Focus Live Activity on Lock Screen and Dynamic Island - Control Center, Siri, Shortcuts, Home Screen quick actions, and ideveloper deep links Privacy, appearance, and platforms - No ads, no forced registration; optional tips via Apple In-App Purchase - Themes, accent colors, text size, alternate app icons - Languages: English, Simplified Chinese, Traditional Chinese - iOS 17 or later, with macOS support; sensitive tools limit auto history by default Who it is for Mobile, backend, frontend, QA, and DevOps developers who need JSON, tokens, regex, or command notes quickly. Getting started: finish onboarding, favorite what you use, add a Quick Tools widget, then share JSON or cURL into iDeveloper and open the best Suggested tool. A lasting home-screen workstation: tools nearby, handbook offline, workflow connected, privacy respected. Thanks for choosing iDeveloper.

About

EMF Meter

Monitor electromagnetic field levels and Bluetooth exposure with real-time readings and safety zone indicators. Understand signal strength and exposure levels around you for awareness at home, work, or while traveling.

Highlights
  • Real-time EMF readings
  • Bluetooth device scanning
  • Signal strength in dBm
  • Safety zone indicators
  • Visual EMF analytics
  • Dark and light themes
Features
Read full description

EMF Meter helps you monitor electromagnetic field levels and Bluetooth exposure from one simple dashboard. Use your iPhone’s magnetometer to track EMF changes in real time, then scan nearby Bluetooth devices to understand signal strength and exposure levels around you. Track your environment at home, work, or while traveling with clear meters, safety zones, and simple exposure insights. Key Features: Real-Time EMF Meter Live electromagnetic field readings in microteslas (ΞΌT) Uses your device magnetometer Auto-calibration for local magnetic baseline Total EMF safety meter with clear status levels Bluetooth EMF Exposure Scan nearby Bluetooth devices View Bluetooth signal strength in dBm See Bluetooth exposure percentage Safety levels: SAFE, CAUTION, UNSAFE Detailed nearby device list Safety Levels SAFE: Low exposure CAUTION: Noticeable exposure UNSAFE: Strong exposure DANGER: Very high EMF levels for magnetic field readings Visual EMF Analytics Glowing animated safety background Radial meter with color-coded zones Lowest, average, and highest session readings Simple exposure tables Clean dark and light themes Perfect For: Monitoring EMF levels at home Checking workspaces and desks Comparing rooms and nearby electronics Reviewing nearby Bluetooth signal exposure Health-conscious users who want simple EMF awareness How It Works: EMF Meter uses your iPhone’s built-in magnetometer to measure electromagnetic field variation around your device. For Bluetooth, the app scans nearby wireless sources and estimates exposure from signal strength. Privacy: All readings are processed on your device. No ads, no subscriptions, and no unnecessary tracking. Note: Phone sensors are useful for awareness and comparison, but they are not a replacement for certified scientific or medical equipment. For professional safety testing, use calibrated instruments and consult qualified experts.

Screenshots

iDeveloper4 screens
EMF Meter2 screens

Verdict

The call

The clearest difference is update cadence: iDeveloper at weekly against EMF Meter's every 2 months. EMF Meter's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

iDeveloper costs $0.29 and EMF Meter $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iDeveloper ships an update weekly, EMF Meter every 2 months. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

Scorecard2 real differences Β· 6 level
iDeveloper versus EMF Meter: the parameters behind the verdict, then further details
ParameteriDeveloperEMF Meter
Price$0.29 β€” better$0.99
Positive reviewsβ€”100.0% of reviews
Update frequencyWeekly β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Paid
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.013.0 β€” better
Further details β€” not scored
Size14 MB58 MB
Age rating4+4+
Developer倩从 何PPLST Tech

In-app purchases

None

iDeveloper

No in-app purchases

None

EMF Meter

No in-app purchases

Questions

Is iDeveloper free?
iDeveloper costs $0.29, with no in-app purchases.
Is EMF Meter free?
EMF Meter costs $0.99, with no in-app purchases.
Do iDeveloper or EMF Meter have ads?
Neither iDeveloper nor EMF Meter shows ads.
Which is updated more often, iDeveloper or EMF Meter?
iDeveloper ships an update weekly, and EMF Meter every 2 months. Most recently, iDeveloper was updated on September 16, 2026 and EMF Meter on September 20, 2026.

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