Comparison

Embedded Helper vs DeltaPad

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

Head to head
About

Embedded Helper

Features
Read full description

Embedded Helper is designed to boost the productivity of firmware developers and MCU engineers. Access pinout references instantly and generate C code automatically. [Key Features] 1. Arduino Pinout Reference - Instantly check pin diagrams for most popular Arduino boards (Uno, Nano, Mega, etc.). - No need to search the web for pin maps every time. 2. C Code Generator - JSON to C Struct: Instantly convert JSON data into ready-to-use C structures. 3. Display & Font Tools - Dot Matrix Editor: Draw icons or fonts on a grid and generate C arrays (Hex/Bin) for your GLCD/OLED drivers. 4. Color Converter - RGB888 to RGB565: Convert standard color codes to 16-bit formats used in TFT LCDs. 5. Number System Converter - Real-time conversion between HEX, BIN, and DEC. - Visualize bit-level data efficiently.

About

DeltaPad

Features
Read full description

Paste. Tap. Done. DeltaPad puts 20 essential developer tools in your pocket — from JSON formatting to regex testing, password generation to markdown preview. Every tool produces results in under 100ms. No server. No account. No waiting. 11 FREE TOOLS • JSON Formatter & Validator — syntax highlighting + tree view • Base64 Encode/Decode — URL-safe variant, auto-detect • URL Encode/Decode — component breakdown, query params • UUID Generator — bulk mode, format options, history • Timestamp Converter — Unix ↔ human-readable, timezone picker • Text Case Converter — camelCase, snake_case, UPPER + 6 more • Number Base Converter — DEC/HEX/BIN/OCT with prefix auto-detect • Lorem Ipsum Generator — 3 styles, paragraphs/sentences/words • String Escape/Unescape — JSON, XML, HTML, URL, CSV, regex • Byte Counter — UTF-8/UTF-16 sizes, per-character breakdown • Unix Permissions — symbolic ↔ numeric with interactive toggles 9 PRO TOOLS (one-time purchase) • JWT Decoder — color-coded header/payload/signature, expiry countdown • Regex Tester — live highlighting, capture groups, timeout protection • Hash Generator — MD5, SHA-1, SHA-256, SHA-512 simultaneously • Color Converter — HEX/RGB/HSL with SwiftUI, UIKit & CSS output • Diff Viewer — line-level and character-level highlighting • YAML ↔ JSON Converter — bidirectional with boolean coercion warnings • Password Generator — cryptographically secure, presets, entropy display • HMAC Generator — MD5/SHA1/SHA256/SHA512 with key encoding options • Markdown Preview — live split view, GitHub Flavored, HTML export DESIGNED FOR YOUR WORKFLOW • Clipboard Intelligence — auto-detects JSON, JWT, Base64, URL, YAML & more • Share Extension — share from any app, auto-routes to the right tool • Home Screen & Lock Screen Widgets — UUID, timestamp, quick tools • Deep Links — deltapad://tool/json?input=... for automation • iPad sidebar navigation with full keyboard shortcuts • State preservation — switch tools without losing input BUILT DIFFERENT • 100% offline — no data leaves your device • Sub-100ms response on every tool • Dark mode Tron Grid design • VoiceOver, Dynamic Type, Reduce Motion • One-time PRO purchase — no subscriptions, no ads Built by developers, for developers.

Screenshots

Embedded Helper4 screens
DeltaPad4 screens

Verdict

The call

The clearest difference is ads: DeltaPad at none against Embedded Helper's shown. Embedded Helper's advantage is iOS requirement (13.0 vs 26.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

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

Both are free to download. Embedded Helper sells 1 one-off in-app purchase and DeltaPad sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Embedded Helper ships an update every 2 months, DeltaPad monthly. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Embedded Helper versus DeltaPad: the parameters behind the verdict, then further details
ParameterEmbedded HelperDeltaPad
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.2
Further details — not scored
Size60 MB8 MB
Age rating4+4+
DeveloperDONGSOO LEEOlof Petterson

In-app purchases

1 purchases

Embedded Helper

One-time1
  • Remove Ads$1.99
1 purchases

DeltaPad

One-time1
  • DeltaPad PRO$4.99

Questions

Is Embedded Helper free?
Embedded Helper is free to download, with in-app purchases available.
Is DeltaPad free?
DeltaPad is free to download, with in-app purchases available.
Do Embedded Helper or DeltaPad have ads?
Embedded Helper shows ads; DeltaPad does not.
Which is updated more often, Embedded Helper or DeltaPad?
Embedded Helper ships an update every 2 months, and DeltaPad monthly. Most recently, Embedded Helper was updated on September 10, 2026 and DeltaPad on September 21, 2026.

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