# Discrete Quality Manager for EBS vs Valvehub

The clearest difference is ads: Discrete Quality Manager for EBS at none against Valvehub's shown. Discrete Quality Manager for EBS also leads on iOS requirement (9.0 vs 15.1). Valvehub's advantage is update cadence (daily vs every 3 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Discrete Quality Manager for EBS ships an update every 3 months, Valvehub daily. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Discrete Quality Manager for EBS | Valvehub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/valvehub/id1577098840/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | — | Ad-supported |
| Size | 64 MB | 23 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oracle America, Inc.](https://appshunter.io/developer/284793707) | [Charles Tryban](https://appshunter.io/developer/1577098842) |

## What reviewers say

### Discrete Quality Manager for EBS

[App page](https://appshunter.io/ios/app/discrete-quality-manager-for-ebs/id1084676892)

**In-app purchases:** none


### Valvehub

[App page](https://appshunter.io/ios/app/valvehub/id1577098840)

Easily find or build custom industrial valves for power plants and other applications. Get a quote via email after submitting your specifications. All valves are factory new and domestically shipped.

**Highlights:** Valve builder for custom specifications, Extensive valve type catalog, Email quoting system, Purchase and delivery coordination, Factory new stock, Material test reports included

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Discrete Quality Manager for EBS free?

Discrete Quality Manager for EBS is free to download, with no in-app purchases.

### Is Valvehub free?

Valvehub is free to download, with no in-app purchases.

### Do Discrete Quality Manager for EBS or Valvehub have ads?

Valvehub shows ads; Discrete Quality Manager for EBS does not.

### Which is updated more often, Discrete Quality Manager for EBS or Valvehub?

Discrete Quality Manager for EBS ships an update every 3 months, and Valvehub daily. Most recently, Discrete Quality Manager for EBS was updated on October 26, 2026 and Valvehub on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*