Chain Timers vs AeroKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chain Timers
Connect multiple countdown timers to run in sequence. Configure automatic transitions between timers or choose to pause. Share your timer sequences easily across devices.
- Chain up to 25 timers
- Automatic or manual timer transitions
- Share timer lists
- Cross-device list sharing
- Save timer histories
Read full descriptionHide full description
Chain your timers. Take control of your time. Chain Timer is a simple and useful app that lets you connect and run multiple countdown timers in a row. Key Features: * Connect up to 25 timers in one sequence * Choose whether to pause or move to the next timer automatically after each one ends * Easily share timer lists (QR codes can also be used for simple lists) * Share lists between iPhone, iPad, and Mac * Save up to 4 timer list histories (5 including the one you're currently using) Perfect for: * Structuring self-study sessions * Setting timers to match recipe steps * Keeping meetings and workshops on track * Creating and following your personal health routines Note: This app does not support sub-second timers. It is not intended for use in competitive sports or situations requiring precise time measurement.
AeroKit
This aviation companion app offers offline tools for European pilots, including interactive checklists, weight and balance calculations, and performance data. Flight schools can utilize its platform for digital training records, biometric signatures, and student progress tracking.
- Offline pilot tools
- Interactive checklists
- Weight & balance calculator
- Performance calculator
- Digital training records
- Biometric instructor signatures
- Student progress dashboard
Read full descriptionHide full description
AeroKit is the aviation companion built for European pilots and flight schools. Access verified aircraft data, plan your flights, and manage your training — all in one app. AIRCRAFT COMPANION — FREE, NO LOGIN REQUIRED Every pilot tool works offline with zero login required: - Interactive Checklists — Step through normal and emergency procedures with real-time progress tracking. Safety disclaimer on every use. Based on verified POH data. - Weight & Balance Calculator — Enter passengers, baggage, and fuel. See your CG plotted on the real envelope chart with instant within-limits verification. Supports per-airframe weighing data for school fleets. - Performance Calculator — Compute takeoff and landing distances adjusted for altitude, temperature, wind, and surface type. Cruise performance with TAS and fuel flow at multiple power settings. Density altitude and ISA deviation at a glance. - V-Speeds Reference — All critical speeds organised by category with a colour-coded speed tape. SUPPORTED AIRCRAFT Tecnam P-2008 JC — POH Ed. 2, Rev. 9 Cirrus SR20 G7 — POH P/N 44763-001 More types coming soon (Cessna 172, Piper PA-28). FLIGHT SCHOOL PLATFORM When your school uses AeroKit, sign in and join your organisation to unlock the full training management system: - Digital Training Records — Every mission report filed by your instructor is stored securely and synced across devices. Complete flight details, manoeuvre grades, debrief notes, and next lesson plans — all in one place. - Biometric Signatures — Instructors sign mission reports using Face ID or Touch ID. Legally verifiable, tamper-evident, and faster than ink on paper. - Manoeuvre Grading — Standardised 1–5 grading per manoeuvre, organised by syllabus phase. Track competency across your entire training programme. - Student Training Dashboard — See your total hours, dual and solo split, current syllabus phase, flight milestones, medical and licence currency, and what to prepare for your next lesson. - Lesson Scheduling — View upcoming lessons, book new sessions, and receive push notifications 24 hours and 1 hour before each flight. - Instructor Tools — File standardised post-flight mission reports in under two minutes. View all assigned students, their progress, and recent activity. - School Administration — Student roster, instructor assignment, fleet management, announcements, and join codes for onboarding new members. Web admin panel available at app.aerokit.it. Designed for EASA-regulated DTOs and ATOs across Europe. Training records survive device loss and are always available for competent authority inspections. BUILT FOR REAL FLYING AeroKit was built by a PPL pilot who trains at European flight schools. Every checklist item, every performance number, and every W&B limit has been manually verified against the official POH. Errors can happen, always check the official POH before flight. The app is a supplementary reference tool — not certified by EASA, ENAC, or any aviation authority. The official POH must remain the primary reference for all flights. PRIVACY & DATA Companion features collect zero data — no account needed, no tracking, fully offline. The flight school platform stores only what is needed for training records, hosted in the EU (Frankfurt) under full GDPR compliance. Privacy policy at app.aerokit.it/privacy.
Screenshots
Verdict
The clearest difference is rating: AeroKit at 5.0 against Chain Timers's 4.0. AeroKit also leads on update cadence (every 2 days vs every 6 weeks). Chain Timers's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17.0). On price, review sentiment, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
AeroKit holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Chain Timers ships an update every 6 weeks, AeroKit every 2 days. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.
| Parameter | Chain Timers | AeroKit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 53 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Masayuki Nomura | Petru Pazara |
Customer experience
Chain Timers
AeroKit
In-app purchases
Chain Timers
No in-app purchases
AeroKit
No in-app purchases









