# Ariel Quick Size vs Flowserve Academy

The clearest difference is rating: Ariel Quick Size at 5.0 against Flowserve Academy's 4.8. Ariel Quick Size also leads on iOS requirement (9.0 vs 14.1). Flowserve Academy's advantage is ratings volume (5 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Ariel Quick Size holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Flowserve Academy has 5 ratings behind it against 1, so its average is the more settled of the two.

Ariel Quick Size ships an update every 7 months, Flowserve Academy every 6 months. The most recent releases landed on July 1, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Ariel Quick Size | Flowserve Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ariel-quick-size/id571901596/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/flowserve-academy/id1452645133/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 31 MB | 141 MB |
| Requires iOS | **9.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ariel Corporation](https://appshunter.io/developer/571901606) | [Flowserve Corp](https://appshunter.io/developer/1243575241) |

## What reviewers say

### Ariel Quick Size

[App page](https://appshunter.io/ios/app/ariel-quick-size/id571901596)

This utility app helps users estimate compressor configurations based on input pressures and flow requirements. It calculates needed horsepower or flow, suggests frame and cylinder configurations, and estimates stages, bore sizes, and discharge temperatures. Results can be emailed for further review.

**Highlights:** Horsepower or gas flow estimate, Compressor frame and cylinder configuration, Estimate required stages and bore sizes, Input gas specific gravity, English or Metric units, Email results

**Features:** macOS Compatibility

**In-app purchases:** none


### Flowserve Academy

[App page](https://appshunter.io/ios/app/flowserve-academy/id1452645133)

Access industry expertise, product knowledge, and digital solutions. Explore courses, simulate pump operations, analyze seal failures, and understand mechanical seal piping plans.

**Highlights:** Digital Course Catalog, Cyberlab Pump Simulator, Mechanical Seal Piping Plans, Seal Failure Analysis, Industry Expertise Access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ariel Quick Size free?

Ariel Quick Size is free to download, with no in-app purchases.

### Is Flowserve Academy free?

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

### Which has better reviews, Ariel Quick Size or Flowserve Academy?

Ariel Quick Size is rated higher. Ariel Quick Size averages 5.0 out of 5 from 1 ratings, while Flowserve Academy averages 4.8 from 5 ratings.

### Do Ariel Quick Size or Flowserve Academy have ads?

Neither Ariel Quick Size nor Flowserve Academy shows ads.

### Which is updated more often, Ariel Quick Size or Flowserve Academy?

Ariel Quick Size ships an update every 7 months, and Flowserve Academy every 6 months. Most recently, Ariel Quick Size was updated on July 1, 2026 and Flowserve Academy on September 13, 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.*