iPhone · iPad · Mac

Simon Ma App Studio

Focused apps that keep your data on your device. No ads, no tracking, no compromises.

Privacy First

Zero data collection

No Ads

Clean, uncluttered interfaces

On-Device

Processing stays local

SwiftUI Native

Built for Apple platforms

FuelSaver UK

Find Cheap Fuel and EV Charging Near You

Live petrol and diesel prices from the UK Government's official Fuel Finder service, updated twice daily, plus EV charging locations from Open Charge Map. A colour-coded map shows the cheapest stations in green. Sort by price or distance, get directions via Apple Maps, Google Maps, or Waze, and ask Siri hands-free while driving. Supports Unleaded E10, Super Unleaded E5, Diesel, Premium Diesel, and EV Charging.

UK Gov Fuel Finder EV Chargers Siri and Shortcuts Apple, Google, Waze No Ads
Download on the App Store User Guide ›
FuelSaver UK showing a colour-coded map with petrol station prices across the UK

MagTicker

MAG-7 Market Analysis Console

Strategy signals, candlestick charts, risk levels, and automated market notifications for AAPL, MSFT, GOOGL, AMZN, NVDA, META, and TSLA. A multi-indicator scoring engine computes Long, Short, or Neutral bias from EMA stack alignment, ADX, RSI, MACD, StochRSI, VWAP, and Fibonacci levels. Five scheduled analysis snapshots per trading day. Risk matrices show Entry, Stop Loss, TP1, TP2, and TP3 with R:R ratios. Portfolio tracker with live P&L. All processing on your device.

Strategy Signals Candlestick Charts Risk Levels Automated Alerts Portfolio Tracker No Ads
Download on the App Store User Guide ›
MagTicker dashboard showing SPX, DJI, NDQ indices, portfolio summary, MAG-7 strategy signals, and recent alerts

PDF Toolbox

20+ PDF Tools. Entirely Offline.

Merge, split, compress, sign, OCR, watermark, form-fill, annotate, reorder pages, flatten, and convert to PDF/A archival format. All 20+ tools run offline on your iPhone, iPad, or Mac via Apple's native PDFKit and Vision frameworks. Scan paper documents with your camera, protect PDFs with passwords, and edit metadata. Mac version includes keyboard shortcuts. No uploads, no servers. Available in 16 languages.

20+ PDF Tools 100% Offline Camera Scan to PDF iPhone, iPad and Mac 16 Languages
Download on the App Store User Guide ›
PDF Toolbox showing a dashboard with 20+ offline PDF tools organised by category

StatBoard

System Monitor and Network Tools for iPhone

Real-time CPU usage, memory pressure, battery health, storage breakdown, and network quality monitoring for iPhone and iPad, with on-device health insights and a 0 to 100 system health score. Background monitoring triggers alerts when thresholds are breached. The Pro Pack unlocks all 9 network diagnostic tools: ping, DNS lookup, port scanner, traceroute, Whois, SSL certificate viewer, MAC address lookup, subnet calculator, and speed test.

Real-Time Metrics Health Insights 9 Network Tools Background Alerts 7-Day Free Trial
Download on the App Store User Guide ›
StatBoard showing a dark mode dashboard with CPU, memory, battery and storage metrics

IM Tracker

Intimate Wellness Companion

Private intimate health tracking for iPhone with an on-device wellness coach (iOS 26+), real-time Quick Log timer, activity rings, streaks, satisfaction analytics, calorie tracking, and sleep quality correlation via HealthKit. Lock the app with Face ID or Touch ID. Encrypted backups use AES-256 with a 6-digit PIN for safe transfers between devices. No accounts, no servers, zero data collection. Available in 8 languages.

On-Device Wellness Coach Face ID and Touch ID HealthKit Integration AES-256 Encrypted 8 Languages
Download on the App Store User Guide ›
IM Tracker showing a wellness dashboard with personal insights and health metrics

Get in Touch

Questions, feedback, or feature requests? Find the developer on X.

@SimonMAppStudio
  1. No ads, no analytics, and no telemetry in any app. All processing uses Apple's native frameworks on your device. Nothing is uploaded to external servers or shared with third parties.
  2. MagTicker, FuelSaver UK, and IM Tracker require iOS 18.0 or later. PDF Toolbox supports iOS 17.1 or later on iPhone and iPad, running natively on Mac with macOS 15.1 Sequoia or later. StatBoard supports iOS 17.0 or later.
  3. MagTicker computes all indicators on-device using the same mathematical logic as Pine Script v5/v6. Market data is fetched directly from Yahoo Finance (no key required), Finnhub, Tiingo, or Twelve Data. API keys are stored in the iOS Keychain with Face ID protection.
  4. FuelSaver UK uses live petrol, diesel, and EV prices from the UK Government's official Fuel Finder service, updated twice daily, and EV charging data from Open Charge Map. Sort by price or distance and get directions via Apple Maps, Google Maps, or Waze.
  5. PDF Toolbox's 20+ tools, including merge, split, compress, OCR, sign, watermark, form-fill, annotate, flatten, and PDF/A archival conversion, run on-device via Apple's PDFKit and Vision frameworks. No internet connection required. Your files never leave your device.
  6. StatBoard's background monitoring triggers alerts when CPU, memory, battery, or storage thresholds are breached. The Pro Pack includes 9 network tools: ping, DNS lookup, port scanner, traceroute, Whois, SSL certificate viewer, MAC address lookup, subnet calculator, and speed test.
  7. IM Tracker stores all data on-device with no accounts or servers. Supports Face ID and Touch ID lock, app switcher privacy screen, and AES-256 encrypted backups with a 6-digit PIN. The wellness coach (iOS 26+) uses Apple's on-device Foundation Models.
About Simon Ma