Blackout Prepper vs Ylhgapp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blackout Prepper
Prepare for emergencies with an AI assistant, community alerts, and offline tools. Manage supplies, family information, and navigate with offline maps. Includes emergency guides and communication options.
- AI preparedness assistant
- Community alerts and reports
- Supply and expiration management
- Offline maps and navigation
- Encrypted document vault
- Offline emergency guides
- Meshtastic LoRa radio support
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THOR — YOUR AI ASSISTANT Ask about preparedness and survival, explore app features, or check your pantry with your permission. Use text or your microphone. Thor can highlight upcoming expiration dates, possible gaps, and relevant products. Optional expiration reminders and direct developer contact are included. Internet required. Processing runs on the Blackout Prepper server, with no forwarding to external AI providers. Data is encrypted in transit; AI questions and pantry summaries are not permanently stored. No cloud account or extra fee is required for Thor. AI answers can be incorrect. ALERTS & COMMUNITY • Current alerts and practical response guides. • View and report power outages or fires on the original radar. Choose countries for community push notifications. • Public chat, direct messages and groups to connect with other users. SUPPLIES & PREPAREDNESS • Manage food, drinks, preserved food, medication and other essentials across multiple pantries. • Plan drinking water and calories for people and pets; track expiration dates and reminders. • Scan product barcodes, check supplies and hold and drag entries to sort them. • Checklists, emergency bag and vehicle preparation, plus a preparedness score. • Arrange the main menu and submenus to suit your needs. FAMILY & DOCUMENTS • Family profiles with blood type, allergies, medication and an emergency contact. • Create an offline medical QR code with the information you choose to include. • Store documents and photos on your device in an AES-GCM encrypted vault with a four-digit PIN, animated safe and recovery code. • Record and share family status manually; use a simple emergency guide for kids. • Create a household emergency plan with meeting points and locations of gas, water and electricity shutoffs. MAPS & NAVIGATION • Online maps, saved offline maps and topographic maps with contour lines. • Keep both standard and topographic offline maps and switch between them. • Save map markers and explore shelter information. • GPS backtracking: record a route while the GPS view remains open, follow your way back and export GPX. Matching maps already saved on your device are used automatically. • Barometer on devices with a pressure sensor. EMERGENCY TOOLS & GUIDES • 20 offline guides and step-by-step emergencies, including outages, flooding, storms, fire, heat and evacuation. • Emergency contacts and a location-based SOS message draft you confirm before sending. • CPR metronome, Morse code and SOS signals using the screen, sound and supported flashlight. • Emergency radio frequencies and support for compatible Meshtastic LoRa radios over local Wi-Fi: send text, status and location without cellular service or internet. A properly configured external radio is required. Offline tools require the relevant content to be saved in advance. Alerts, community reports, online maps and chat need internet. Family status is not automatic live tracking. This app does not replace official warnings or emergency services. Questions or suggestions? Send me a private message in the app chat. I usually respond the same day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://goldapps.de/datenschutz/ CONNECT FAMILY & CLOUD • Your own account with email, a password of at least eight characters and email verification. Create a family or accept an invitation. • Choose to share supplies, profiles, status, contacts, home plans, saved GPS trails and selected documents. Optional automatic sync while the app is open and online; downloaded shared content remains available offline. • Separate personal cloud backup preserves existing local data. Offline map files stay on your phone. Health information is uploaded only with explicit consent.
Ylhgapp
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Ylhgapp is a local tea journal designed for tea lovers. From tea storage and brewing parameters to five-dimensional tasting notes and shareable tea cards, it helps you record every tea, every brew, and every subtle change in flavor over time. No account required. No internet connection needed. All data is stored only on your device. Open the app and start building your own personal tea archive with peace of mind. 【Built-in Tea Library】 Includes the six major tea categories: green tea, white tea, yellow tea, oolong tea, black tea, and dark tea. The library covers 41 representative teas, including West Lake Longjing, Dongting Biluochun, Huangshan Maofeng, Baihao Yinzhen, Junshan Yinzhen, Wuyi Da Hong Pao, Rougui, Tieguanyin, Phoenix Dancong, Dong Ding Oolong, Oriental Beauty, Lapsang Souchong, Jinjunmei, Keemun Black Tea, Dianhong, Ripe Pu-erh, Raw Pu-erh, Anhua Dark Tea, Liu Bao Tea, and more. Each tea includes origin, processing method, harvest season, flavor characteristics, and recommended brewing parameters such as water temperature, tea-to-water ratio, and first infusion time. 【Tea Storage Management】 Record every tea you purchase and build your own tea inventory. Three status options are supported: · Drinking · In Stock · Finished You can record purchase date, price, weight, grade, and storage method, such as tin can, purple clay jar, refrigerator, and more. Each tea storage entry is automatically linked with all related tasting records, making it easier to review flavor changes and aging trends over time. 【Five-Dimensional Tasting Notes】 For every brew, you can evaluate the tea based on a traditional five-dimensional tasting system: · Liquor Color · Aroma · Taste · Infused Leaves · Appearance You can also record complete brewing parameters, including water temperature, tea amount, water volume, first infusion time, and teaware used, creating a clear and traceable tasting journal. 【Shareable Tea Cards】 Each tasting record can be turned into a beautifully designed share image, including tea category badge, overall score, five-dimensional bar chart, brewing parameters, tasting notes, and brand footer. You can share your tea notes to social platforms or save them to your photo library as your personal tea memory card. 【Teaware Management】 Includes 7 commonly used types of teaware: · Gaiwan · Purple Clay Teapot · Glass Cup · Ceramic Cup · Easy Brewing Cup · Porcelain Teapot · Tea Boiler You can also add your own teaware and create a personal list that belongs to you. 【Data Ownership and Privacy】 Ylhgapp gives you full control over your data: · All data is stored locally on your device · No account registration required · No internet connection required · Export all data as a JSON backup file · Restore data from a backup file with one tap · Delete selected data or clear all data from Settings Your tea inventory, tasting notes, and personal habits belong only to you. 【Language Support】 Fully supports Simplified Chinese and Traditional Chinese. Tea names, tea categories, and all interface text can automatically follow your system language. 【Special Notes】 Ylhgapp contains no ads, no analytics SDKs, and no tracking SDKs. It does not request sensitive permissions such as camera, photo library, or location access. It is a pure, calm, and privacy-friendly tea journal. 【Who Is It For】 · Tea lovers who enjoy mindful tasting · Tea house and tea room owners · Tea art learners · Beginners who want to understand the six major tea categories · Anyone who wants to track tea storage and tasting changes over time May Ylhgapp help you write the story of every cup of tea.
Screenshots
Verdict
The clearest difference is in-app purchases: Ylhgapp at none against Blackout Prepper's 9. Ylhgapp also leads on ads (none vs shown). Blackout Prepper's advantage is update cadence (every 2 days vs every 4 days). On price, device support and iOS requirement 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. Blackout Prepper sells 9 in-app purchases, starting at $0.99 per month. Ylhgapp asks for nothing beyond the download.
Blackout Prepper ships an update every 2 days, Ylhgapp every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | Blackout Prepper | Ylhgapp |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 days — better | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 293 MB | 3 MB |
| Age rating | 17+ | 9+ |
| Developer | christian kohler | Southland Pool & Lawn LLC |
In-app purchases
Blackout Prepper
- Zugang – monatlich$0.991 Month
- Zugang - monatlich$2.991 Month
- Zugang – jährlich$8.991 Year
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- Zugang - jährlich$12.991 Year
- Werbung dauerhaft entfernen$4.99
- Blackout Prepper Lifetime$8.99
- Blackout Prepper Lifetime$12.99
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- Blackout Prepper Lifetime$22.99
- Lifetime access$24.99
Ylhgapp
No in-app purchases







