Comparison

iDeveloper vs Sentarm

Price, ratings, monetisation and update history for both apps, side by side — 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

Sentarm

This smart alarm assistant simplifies setting alarms for complex and rotating schedules. It offers holiday recognition, custom calendars, and a minimalist interface for ease of use. Widgets, dark mode, and multi-language support enhance the user experience.

Highlights
  • Customizable work schedule alarms
  • Automatic holiday and special date skipping
  • Multiple regional and custom calendars
  • Convenient alarm and calendar widgets
  • Dark mode and multi-language support
Features
Read full description

Sentarm is your smart and flexible alarm assistant. Working alternate weeks, rotating shifts, or a custom schedule? Sentarm handles even the most complex routines with ease. Designed with a minimalist UI and intuitive interactions, setting alarms becomes simple and pleasant. Built-in holiday recognition means no more being startled awake on holidays — or forgetting to turn alarms back on. If the system alarm isn’t cutting it, Sentarm might just be the better choice. === Feature === 1. Set alarms that match your personal work schedule. 2. Smartly skip alarms on holidays and adjust for special dates. 3. Choose from multiple regional built-in calendars, or create your own custom calendar. 4. Convenient widgets for viewing alarms and calendars. 5. Dark mode and multi-language support. More features are on the way — we’d love to hear your ideas! If you enjoy Sentarm, please leave us a 5-star rating on the App Store! === Contact === Email: sentarm_app@outlook.com

Screenshots

iDeveloper4 screens
Sentarm4 screens

Verdict

The call

The clearest difference is price: Sentarm at Free against iDeveloper's $0.29. iDeveloper's advantage is in-app purchases (none vs 4) and iOS requirement (17.0 vs 26.0). On 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

CostPrice · In-app purchases · Ads · Monetization

Sentarm is free to download; iDeveloper costs $0.29 up front. Sentarm sells 4 one-off in-app purchases. iDeveloper asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
iDeveloper versus Sentarm: the parameters behind the verdict, then further details
ParameteriDeveloperSentarm
Price$0.29Free — better
Rating—4.2 (5 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—5 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size14 MB45 MB
Age rating4+4+
Developer天从 何永康 梁

In-app purchases

None

iDeveloper

No in-app purchases

4 purchases

Sentarm

One-time4
  • Custom SoundFree
  • Custom Calendar$0.99
  • Widgets$0.99
Show 1 more
  • Missions$1.99

Questions

Is iDeveloper free?
iDeveloper costs $0.29, with no in-app purchases.
Is Sentarm free?
Sentarm is free to download, with in-app purchases available.
Do iDeveloper or Sentarm have ads?
Neither iDeveloper nor Sentarm shows ads.
Which is updated more often, iDeveloper or Sentarm?
iDeveloper ships an update weekly, and Sentarm weekly. Most recently, iDeveloper was updated on October 4, 2026 and Sentarm on October 5, 2026.

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