ViperShopQueue vs Zaptta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ViperShopQueue
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The Viper vehicle inventory management system by Sterling E-Marketing enables customers of the Viper suite of applications to view and manage their inventory directly from their mobile device.
Zaptta
This app connects contractors with homeowners who have booked in-home appointments. It provides direct access to confirmed bookings, including client details like name, day, time, and address. Focuses on securing appointments rather than generating leads.
- Live broadcast of appointments
- Access to booked appointments
- Homeowner contact details
- Appointment day and time
- Homeowner address information
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Live broadcast of exclusive in-home contractor appointments (not leads). Access real homeowners who booked an actual appointment, including: name, day, time, & address.
Screenshots
Verdict
The clearest difference is iOS requirement: Zaptta at 13.0 against ViperShopQueue's 15.1. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | ViperShopQueue | Zaptta |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 139 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Gage Herrmann | CONVERGE GROUP A LLC |
In-app purchases
ViperShopQueue
No in-app purchases
Zaptta
No in-app purchases
