Super PiBench

Super PiBench computes Pi to any number of decimal places using the Chudnovsky algorithm — one of the fastest known methods. Built on a high-performance C/GMP engine for dramatically fast computation, comprehensive benchmarking, and a global leaderboard to see how your device stacks up worldwide.

GLOBAL LEADERBOARD (Pro)
- All-time board + weekly board: refreshed every Monday, newcomers can reach the top too
- Submit your benchmark score to compete with users worldwide
- See where your Apple device ranks among iPhones, iPads, Macs, Apple Watches, and more
- Scores verified on-device and uploaded securely via iCloud

HIGH-PERFORMANCE ENGINE
- Built on GMP (GNU Multiple Precision Arithmetic Library) for optimized large-number arithmetic
- Chudnovsky algorithm with binary splitting: ~14 digits per term
- Multi-core parallel computation with threaded binary splitting and merge (Pro)
- More accurate time estimation with per-magnitude calibration

APPLE WATCH
- Compute Pi right on your wrist — works without iPhone
- Multi-core computation and global leaderboard submission (Pro)
- Digit limit raised to 10 million (Pro)
- One-tap submission after calculating, with built-in time estimation

PRESETS
- Free: 100 / 10,000 / 100,000 / 1,000,000 digits
- Pro: 10,000,000 / 20,000,000 / 50,000,000 / 100,000,000 digits
- Custom input for any digit count

STRESS TEST
- Push your chip to the limit with repeated benchmark rounds
- Free: up to 10 million digits, 5 rounds, single-core
- Pro: up to 100 million digits, 20 rounds, multi-core
- Bar chart visualization with color-coded best/worst results
- Automatic trend detection: stable, throttling, or improving

TOOLS & SHARING
- Search for any number sequence with fast Boyer-Moore algorithm (Pro)
- Generate and share beautiful computation result cards (Pro)
- Save computation history for later review (Pro)
- Copy, share, or export results with one tap

KNOWLEDGE
- Pi Knowledge module: fun facts, historical timeline, real-world applications, and algorithm explanations

LANGUAGES
- 14 languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, German, French, Spanish, Portuguese, Italian, Dutch, Russian, Arabic, Greek

DESIGN
- iOS 26 Liquid Glass design: floating tab bar and glass effects throughout
- Dark and light mode support
- Core functionality runs entirely on-device, no internet required
- Universal app: iPhone, iPad, Mac (Catalyst), and Apple Watch

Free version computes up to 1,000,000 digits. Unlock Pro for global leaderboard, multi-core computing, extended stress test, digit search, history, share cards, and more.