BFOUR+ vs CarVault
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BFOUR+
This smart cooking assistant connects to a wireless meat thermometer for real-time temperature monitoring and guided cooking. It offers alerts, custom calibration, and cooking history to help achieve perfect results for various meat types and doneness levels.
- Real-time temperature monitoring
- WiFi wireless meat thermometer support
- Guided cooking system
- Ambient temperature detection
- High-temperature calibration
- Push notifications for alerts
- Cooking history and charts
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BFOUR+ is an app designed for precision cooking. It seamlessly connects with the BFOUR smart thermometer to reshape your kitchen experience. Whether you're a home chef or a grilling enthusiast, it provides real-time monitoring and guided cooking to ensure perfect results every time. New Features: 1. WiFi Wireless Meat Thermometer Support: Adds support for the BF-70 and BF-80 wireless meat thermometers, enabling efficient and reliable remote temperature measurement via 2.4GHz WiFi. 2. Ambient Temperature Detection: Detects ambient temperatures up to 400°C (752°F), enhancing the grilling and oven experience. 3. High-Temperature Calibration: Supports custom calibration within ±10°C (752°F) for fine-tuning accuracy. When the ambient temperature drops below 50°C, calibration mode automatically exits and returns to the initial temperature, ensuring safety and accuracy. Core Features: • Real-time Temperature Monitoring & Alerts: Accurately monitor food's internal temperature anytime, anywhere. Instant push notifications are sent to your phone when temperature thresholds and cooking progress are reached, ensuring perfect cooking results. • Guided Cooking System: Supports 12 USDA-standard meat types and five doneness levels, making it easy to achieve professional-grade cooking results. • Multi-Device Compatibility: Seamlessly connect and manage multiple BFOUR devices for an integrated cooking experience. • Cooking History & Customization: Save your cooking history, set custom temperature targets, and download temperature charts. Download BFOUR+ and start a new smart cooking experience!
CarVault
Manage all your vehicle documents, deadlines, and maintenance records in one secure digital folder. Get timely reminders for MOTs and services, and keep a complete history of your vehicle's upkeep. Easily export your vehicle files and manage multiple cars.
- Secure document storage
- MOT and service reminders
- Maintenance history log
- PDF export
- Multiple vehicle management
- Offline-first functionality
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CarVault is your digital vehicle folder – all documents, deadlines and maintenance info in one place. Never miss an MOT, always ready with documents when selling your car. CarVault makes vehicle management simple and clear. FEATURES: • Securely store vehicle documents – insurance, MOT certificate, service receipts • Get timely MOT/service reminders • Keep a complete maintenance history • PDF export of your full vehicle file • Manage multiple vehicles • Offline-first – no registration required, optional iCloud Sync PRIVACY: Your data stays on your device. No account, no backend – just get started. TERMS OF USE: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: CarVault at 100% against BFOUR+'s 0%. BFOUR+'s advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 17.0). On price, update cadence, ads 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. CarVault sells 3 in-app purchases, starting at $2.99 per month. BFOUR+ asks for nothing beyond the download.
BFOUR+ ships an update every 3 weeks, CarVault monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | BFOUR+ | CarVault |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 81 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lankexun Intelligent Technology Co., Ltd. | Tobias Hotzel |
Customer experience
BFOUR+
CarVault
In-app purchases
BFOUR+
No in-app purchases
CarVault
- CarVault Premium7 Days trial$2.991 Month
- CarVault Premium7 Days trial$17.991 Year
- Premium Lifetime$29.99









