Quality Valve vs Charm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quality Valve
This app facilitates quote requests for OEM relief valve replacement parts, catering exclusively to valve repair companies and factory service centers. It streamlines the process of obtaining necessary components for the valve repair industry.
- OEM relief valve replacement parts
- Quote request functionality
- Direct sales to repair companies
- Industry-specific focus
- Streamlined parts procurement
Read full descriptionHide full description
Quality Valve Inc. specializes in providing OEM relief valve replacement parts to valve repair companies and factory service centers all over the world. This app will help us help you get you the parts you need when you need them by making it easy for you to request a quote. Please be advised that we take great pride in dealing directly with repair companies but we do not sell to exporters or end users. Quality Valve Inc. is an independent sales company located in Mobile, Alabama USA. We opened for business in 1994 to sell OEM Relief Valve Replacement Parts in the valve repair industry.
Charm
Read full descriptionHide full description
iPad Client for The Charm System. Charm provides a user-friendly interactive customer experience on the iPad. The Visual Sales Screen© allows you to simply Touch and Sell. No more memorizing Sku #s , Vendor Style #s, or Serial #s, simply touch a picture of the item you are selling and its added to the sales order. It’s that simple. This app requires the Charm System installed in your store.
Screenshots
Verdict
The clearest difference is update cadence: Charm at every 4 weeks against Quality Valve's every 8 months. Quality Valve's advantage is device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Quality Valve ships an update every 8 months, Charm every 4 weeks. Both last shipped on October 29, 2026.
| Parameter | Quality Valve | Charm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Quality Valve, Inc | Opilio Software LLC |
In-app purchases
Quality Valve
No in-app purchases
Charm
No in-app purchases
Questions
Is Quality Valve free?
Is Charm free?
Do Quality Valve or Charm have ads?
Which is updated more often, Quality Valve or Charm?
Other comparisons
