WHK vs Zabble Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WHK
This application helps drivers execute assigned routes and service containers equipped with specific sensors. It provides real-time driver location for optimized waste management.
- Execute assigned routes
- Service containers
- Utilize sensor data
- Real-time driver positioning
- Optimized waste management
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Waste Harmonics Keter - Driver App allows the user of the Waste Harmonics Keter platform - to execute the different assigned routes along with the sites and containers, equipped with Waste Harmonics sensors - to service to the different containers in the portfolio The app provides the position of the driver back during route execution to allow optimal waste management. "Continued use of GPS running in the background can dramatically decrease battery life."
Zabble Zero
This app streamlines waste management operations with a paperless, real-time tracking system. It allows for visual tagging of discarded materials, campaign creation for targeted assessments, and automated data aggregation into actionable metrics. The platform aims to reduce manual data entry and improve waste reduction strategies.
- Paperless waste stream tracking
- Real-time analytics dashboard
- Visual tagging with AI suggestions
- Customizable campaign creation
- Offline data collection
- Automated PDF and spreadsheet reporting
- Email notifications for issues
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Zabble Zero Mobile Tagging gives waste and recycling field teams one AI-powered app to monitor contamination, track outreach, conduct field inspections, and engage with stakeholders in real-time. Built for jurisdictions, haulers, campuses, and organizations running recycling, zero waste, and compliance programs, Mobile Tagging brings inspections, photos, field data, outreach, and follow-up into one streamlined workflow, powered by patented AI technology (U.S. Patent No. 11,788,877). SCAN BINS WITH AI • Use your device camera to automatically estimate bin fullness, identify contamination items, and estimate contamination percentage. Review AI suggestions, add photos and notes, and document each inspection in seconds. KEEP WORKING OFFLINE • Access mapped locations, routes, inspection history, and on-device AI even with limited or no connectivity. Continue fieldwork offline and sync data when connectivity is restored. RUN FIELD INSPECTIONS • Use customizable templates to document lid flips, cart tagging, participation, set-outs, contamination, service levels, overages, education, site visits, and other field activities. TRACK OUTREACH AND FOLLOW-UP • Record outreach, create alerts and tasks, notify stakeholders, and maintain a history of actions associated with properties, addresses, or containers. TURN FIELD DATA INTO ACTIONABLE INSIGHTS • Identify contamination hotspots, monitor campaign progress, review historical activity, and create records that support operational and compliance reporting. KEY FEATURES • AI-powered fullness and contamination detection • Offline AI and mapping • Geocoded addresses and route-based fieldwork • Custom forms and inspection templates • Photos, notes, and inspection history • Alerts, notifications, and task follow-up • Outreach and site visit tracking • Real-time field data and analytics Mobile Tagging is designed for existing Zabble customers and requires an authorized Zabble Zero account.
Screenshots
Verdict
The clearest difference is rating: WHK at 5.0 against Zabble Zero's 4.4. WHK also leads on iOS requirement (15.6 vs 18.1). Zabble Zero's advantage is update cadence (monthly vs every 20 months) and ratings volume (9 vs 2). On price, ads, in-app purchases and monetization model 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.
WHK holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 2 and 9 respectively.
WHK ships an update every 20 months, Zabble Zero monthly. Both last shipped on October 24, 2026.
| Parameter | WHK | Zabble Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.4 (9 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 9 — better |
| Update frequency | Every 20 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.1 |
| Further details — not scored | ||
| Size | 0 MB | 94 MB |
| Age rating | 4+ | 9+ |
| Developer | Waste Harmonics | Zabble Inc. |
Customer experience
WHK
Zabble Zero
In-app purchases
WHK
No in-app purchases
Zabble Zero
No in-app purchases








