Quivers vs Emissions Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quivers
Claim orders from supported brands in real-time directly from your mobile device. Access detailed dashboard information and view product specifics to claim available orders instantly.
- Real-time order notifications
- Mobile order claiming
- Detailed order information
- Product details view
- In-stock order claims
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Claim more orders on-the-go from Quivers-powered brands in real-time. View your dashboard with all the detailed information needed to claim your orders right from your mobile device. - Get notified of new orders instantly in real-time - View product information and details - Claim product orders that are in stock
Emissions Plus
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Emissions+ is the FREE emissions conversion app from John Zink Hamworthy Combustion, a global leader in emissions control and clean-air systems. Emissions+ lets you convert emissions, liberation or pressure, and has more than 800 other conversions available. Emissions Source Units: •pound/MMBTU •ppm(vd) •milligram/normal meter3 •nanogram/joule •milligram/megajoule •gram/gigajoule Conversion Categories: •Angle •Angular Acceleration •Angular Speed •Area •Calorie •Density •Dynamic Viscosity •Energy/Work •Fluid Volume •Force •Kinematic Viscosity •Length •Liberation •Linear Acceleration •Linear Speed •Mass Flow Rate •Pressure •Temperature •Time •Torque •Volume •Volume Flow Rate •Weight/Mass
Screenshots
Verdict
The clearest difference is update cadence: Quivers at every 6 weeks against Emissions Plus's every 22 months. Emissions Plus's advantage is iOS requirement (8.0 vs 11.0). On price, ads, 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.
Quivers ships an update every 6 weeks, Emissions Plus every 22 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | Quivers | Emissions Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 6 weeks — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Quivers, Inc | Jeff Barnes Web Design, Inc. |
In-app purchases
Quivers
No in-app purchases
Emissions Plus
No in-app purchases
