Bluon HVAC vs Zerk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bluon HVAC
Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.
- 500,000+ HVAC unit database
- Manuals and part lists
- AI troubleshooting tool (MasterMechanic)
- Live support from veteran techs
- HVAC industry upgrade tools
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Bluon provides the technical information and support to tackle any job in HVAC-R and plumbing. Scan or search for any unit to find the documentation on over 35,000,000+ HVAC models across virtual every brand. Instantly access the key model specs, age/warranty, manuals, original parts, part specs, and replacement options. See which suppliers carry which part - you can even text/email them or order directly through their website. Get detailed troubleshooting guidance from MasterMechanic, our custom A.l. built with the database and with the problem/solution knowledge of over 135,000 live support calls, or call our Live Tech Support line to connect to our team of 25+ year veteran technicians. Bluon has your back. App Features Include: - Database of 35,000,000+ HVAC units (manuals, specs and part lists) - Master Mechanic: leading A.I. tool for techs - Live Support line: talk to REAL veteran techs to solve problems in the field!
Zerk
Diagnose and fix home appliance issues with AI. Scan your appliance's model label, describe the problem, and receive instant repair guidance and compatible parts. Avoid unnecessary service calls and save money.
- AI-powered diagnosis
- Model identification via camera
- Step-by-step repair guidance
- Compatible parts marketplace
- Repair ticket submission
- Live chat support
- Order management
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Zerk helps you understand and fix home appliance problems without guesswork. Point your camera at the model label, describe what's wrong, and get an AI-powered diagnosis with practical repair suggestions in minutes. WHAT YOU CAN DO Scan & Identify Take a photo of your appliance's nameplate or model sticker. Zerk reads the label and identifies the model instantly, so you always know exactly what you're working with. AI Diagnosis Snap a photo, add a short description of the symptoms, and let Zerk analyze the likely cause of the fault. You get clear, step-by-step repair guidance to help decide whether to fix it yourself or seek service - and to avoid unnecessary spending. Parts Marketplace Once your appliance is identified, Zerk surfaces compatible parts. Order what you need and check out quickly with a credit card or Apple Pay. Payments are securely processed by Stripe. Repair Tickets & Live Chat Not sure how to proceed? Submit a repair ticket or chat with support directly inside the app for extra help. Order Management Track your orders, request a refund, and view the return address - all in one place. WHY ZERK - Save time: identify models by photo instead of digging through manuals - Save money: understand the problem before paying for a service call - Genuine parts: order components matched to your identified model - Fast checkout: Apple Pay and card, powered by Stripe - Available in English, Simplified Chinese, and Spanish PRIVACY & SIGN IN Sign in with Apple is supported. We collect only what's needed to run your account, process orders, and provide diagnostics. Camera, photos, microphone, speech recognition, and location are used only when you choose a feature that needs them (for example, one-time location to auto-fill a shipping address). Download Zerk and take the guesswork out of appliance repair. Privacy Policy: https://humanoiddepot.ai/privacy.html Support: https://humanoiddepot.ai/support.html
Screenshots
Verdict
The clearest difference is ads: Zerk at none against Bluon HVAC's shown. Zerk also leads on rating (5.0 vs 4.8) and monetization model (free vs ad-supported). Bluon HVAC's advantage is ratings volume (4.5K vs 1). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Zerk holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Bluon HVAC has 4.5K ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | Bluon HVAC | Zerk |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.5K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 54.6% of reviews | — |
| Number of ratings | 4.5K — better | 1 |
| Update frequency | Monthly | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 170 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Bluon, Inc. | 晨阳 栗 |
Customer experience
Bluon HVAC
Zerk
Bugs and requests
Bluon HVAC
Reported bugs
2 issues- Login/password reset issues
- Frequent crashes or loading problems
Requested features
3 requests- Individual technician subscription option
- More comprehensive coverage of HVAC equipment models
- Ability to access full manuals without restrictions
Zerk
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bluon HVAC
No in-app purchases
Zerk
No in-app purchases









