# Ariel Quick Size vs Shaft Alignment Tool TKSA 11

The clearest difference is review sentiment: Ariel Quick Size at 100% against Shaft Alignment Tool TKSA 11's 50%. Ariel Quick Size also leads on rating (5.0 vs 4.3) and iOS requirement (9.0 vs 16.0). On price, ratings volume, update cadence and ads 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 4.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 100% of Ariel Quick Size's written reviews are positive against 50% of Shaft Alignment Tool TKSA 11's.

Ariel Quick Size ships an update every 7 months, Shaft Alignment Tool TKSA 11 every 4 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Ariel Quick Size | Shaft Alignment Tool TKSA 11 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ariel-quick-size/id571901596/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/shaft-alignment-tool-tksa-11/id838116389/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 31 MB | 77 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ariel Corporation](https://appshunter.io/developer/571901606) | [SKF](https://appshunter.io/developer/472922971) |

## 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


### Shaft Alignment Tool TKSA 11

[App page](https://appshunter.io/ios/app/shaft-alignment-tool-tksa-11/id838116389)

This tool simplifies shaft alignment for rotating machinery using wireless communication with dedicated hardware. It offers a demonstration mode to experience the full process without the physical device, generating automatic reports and providing visual guidance.

**Highlights:** Wireless Bluetooth communication, Demonstration mode, Automatic alignment reports, Explanatory videos, 3D animations, Combined 2D/3D alignment view

**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 Shaft Alignment Tool TKSA 11 free?

Shaft Alignment Tool TKSA 11 is free to download, with no in-app purchases.

### Which has better reviews, Ariel Quick Size or Shaft Alignment Tool TKSA 11?

Ariel Quick Size is rated higher. Ariel Quick Size averages 5.0 out of 5 from 2 ratings, while Shaft Alignment Tool TKSA 11 averages 4.3 from 4 ratings.

### Do Ariel Quick Size or Shaft Alignment Tool TKSA 11 have ads?

Neither Ariel Quick Size nor Shaft Alignment Tool TKSA 11 shows ads.

### Which is updated more often, Ariel Quick Size or Shaft Alignment Tool TKSA 11?

Ariel Quick Size ships an update every 7 months, and Shaft Alignment Tool TKSA 11 every 4 months. Most recently, Ariel Quick Size was updated on October 26, 2026 and Shaft Alignment Tool TKSA 11 on October 21, 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.*