PilotAssist vs ZeroDay Dev
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PilotAssist
This app provides essential aviation calculations and references for student and everyday pilots. It offers tools for fuel, temperature, and time conversions, runway headings, crosswind calculations, descent planning, and airport weather retrieval.
- Fuel, temperature, and time conversion
- Landing crosswind calculator
- Descent planner
- Airport weather (METAR) retrieval
- Runway reciprocal finder
- Flight briefing tips
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PilotAssist is built for student pilots and everyday flying—providing simple, reliable tools to support real-world decision making in the cockpit and during flight planning. Quickly access essential aviation calculations and references, all in one clean, easy-to-use app: • Fuel Conversion – Convert AvGas between gallons and pounds • Temperature Conversion – Instantly switch between Celsius and Fahrenheit • Time Conversion – Convert local time to Zulu (UTC) with ease • Runway Reciprocal – Find the opposite runway heading instantly • Landing Crosswind Calculator – Determine headwind, crosswind, and tailwind components with a visual wind indicator • Descent Planner – Know when to begin your descent based on altitude, rate, and groundspeed • Airport Weather (METAR) – Retrieve real-time weather observations by airport identifier • Flight Briefing Tips – Prepare for calls to 1800WXBrief with confidence PilotAssist is designed to help pilots answer common questions quickly: How much crosswind will I have on landing? When should I start my descent? What’s the current weather at my destination? How do I convert this fuel, time, or temperature? Whether you’re in training or flying regularly, PilotAssist keeps essential tools right at your fingertips. Important: PilotAssist is intended as a reference tool only. Always verify calculations, weather data, and flight planning information using official FAA sources, aircraft documentation, and proper instruction.
ZeroDay Dev
Learn secure coding and blockchain security through hands-on challenges and real-world exploit analysis. Practice building exploit intuition with interactive exercises and track your progress through curated learning paths. The app is designed for offline use, allowing you to learn anytime, anywhere.
- Hands-on coding challenges
- Real-world exploit analysis
- Interactive practice exercises
- Curated learning tracks
- Progress tracking and gamification
- Offline-first functionality
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Learn to break things—before attackers do. ZeroDay Dev teaches secure coding and blockchain security through 4,000+ hands-on challenges. Learn from 120+ real-world exploits: Beanstalk, Indexed Finance, bZx, VeilCash, Sigma.Money, Bybit, and more. Each exploit is linked to verified incident records so you learn from actual on-chain events, not hypotheticals. Practice — Build exploit intuition without reading docs. Tap vulnerable lines, drag tokens into code, get instant feedback. Filter by domain (Exploits, Solidity, Rust, DeFi, Solana) or difficulty. Exercises — Full code challenges with reference solutions. Deeper dives when you're ready. Exam — Prepare for real security assessments. Timed tests across domains with performance tracking. Memory-match decks for opcodes, EIPs, and security terms. Deep Dive Hub — Curated learning tracks for Web2, Web3, Rust, ZK Proofs, and Trading. Recommended tracks driven by your weak areas. Build your own from bookmarks or missed questions. Streaks & XP — Stay consistent and level up. Daily streaks, badges, and progression keep you coming back. Offline-first — Learn on the subway, no Wi‑Fi needed. All content lives on your device. No account required—start immediately. Covers reentrancy, oracle manipulation, flash loans, proxy races, ZK trusted setup, and more. Rust, Solidity, DeFi, Solana & cybersecurity.
Screenshots
Verdict
The clearest difference is in-app purchases: PilotAssist at none against ZeroDay Dev's 1. PilotAssist also leads on rating (5.0 vs 4.8). ZeroDay Dev's advantage is update cadence (weekly vs every 20 months) and ratings volume (4 vs 1). On price, ads, monetization model 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
Both are free to download. ZeroDay Dev sells 1 one-off in-app purchase. PilotAssist asks for nothing beyond the download.
PilotAssist holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
PilotAssist ships an update every 20 months, ZeroDay Dev weekly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | PilotAssist | ZeroDay Dev |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 20 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Kelly Gayneaux | John Lawniczak |
In-app purchases
PilotAssist
No in-app purchases
ZeroDay Dev
- Unlock All Content$4.99









