Super PiBench vs SendFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Super PiBench
This app calculates Pi to a specified number of decimal places using a high-performance engine. It offers benchmarking, a global leaderboard, and stress testing to evaluate device performance. Users can explore Pi-related knowledge and share results.
- Pi computation to any decimal place
- High-performance C/GMP engine
- Global leaderboard for device comparison
- Device stress testing
- Multi-core parallel computation (Pro)
- Pi Knowledge module
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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 (Designed for iPad on Apple silicon), 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.
SendFlow
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Move files without cables, cloud uploads, or complicated setup. SendFlow makes local file transfer simple. Send photos, videos, documents, and other files directly to nearby SendFlow devices, or connect your iPhone to a computer through any web browser on the same Wi-Fi network. FAST LOCAL FILE TRANSFER Select your photos, videos, or documents, discover nearby SendFlow devices, and send files directly over your local network. TRANSFER TO YOUR COMPUTER No desktop app required. Start Computer Transfer, open the address shown by SendFlow in your Mac or Windows browser, and upload or download files directly. SEND & RECEIVE SendFlow supports both sending and receiving, with clear connection status, confirmation, transfer progress, file size, and speed. FILES IN ONE PLACE Received files are saved inside SendFlow so you can quickly find, preview, share, search, or delete them. TRANSFER HISTORY Review previous sent and received transfers, including transfer status, file size, device, and time. PRIVATE BY DESIGN File transfers happen over your local network. SendFlow is designed for direct device-to-device and browser-based local transfers without relying on cloud storage. GREAT FOR • Moving photos and videos from your iPhone to a computer • Sending large files without messaging apps • Sharing documents with another nearby device • Transferring files between iPhone and Mac or Windows • Quickly moving files without a USB cable • Keeping file transfers on your local network Send files. Keep them moving. SendFlow. Terms of Use:https://www.nicolaigame.top/common/terms-en.html Privacy Policy:https://www.nicolaigame.top/common/privacy-en.html
Screenshots
Verdict
Super PiBench and SendFlow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Super PiBench sells 1 one-off in-app purchase and SendFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Super PiBench ships an update weekly, SendFlow every 8 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.
| Parameter | Super PiBench | SendFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 19 MB | 9 MB |
| Age rating | 4+ | 9+ |
| Developer | Qianyu Zhu | biaopeng zhou |
In-app purchases
Super PiBench
- Pro Upgrade$0.99
SendFlow
- SendFlow Pro Lifetime$4.99









