# Aerospace Groove Selector vs Springulator Spring Calculator

The clearest difference is rating: Aerospace Groove Selector at 5.0 against Springulator Spring Calculator's 4.5. Aerospace Groove Selector also leads on update cadence (every 6 months vs every 27 months). Springulator Spring Calculator's advantage is ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Aerospace Groove Selector holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

Aerospace Groove Selector ships an update every 6 months, Springulator Spring Calculator every 27 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Aerospace Groove Selector | Springulator Spring Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aerospace-groove-selector/id524363133/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/springulator-spring-calculator/id586301011/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 27 months |
| Monetization | Free | Free |
| Size | 56 MB | 73 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Newcomb Spring Corp](https://appshunter.io/developer/586301014) |

## What reviewers say

### Aerospace Groove Selector

[App page](https://appshunter.io/ios/app/aerospace-groove-selector/id524363133)

This app provides quick access to five critical SAE Aerospace groove standards for hydraulic systems. It helps users determine groove suitability for dynamic and static seals, offering data in both metric and inch units based on standard dash numbers.

**Highlights:** Access to five SAE Aerospace groove standards, Determine suitability for dynamic/static seals, Metric and Inch unit support, Gland design for Bore, Rod & Face seals, Instant dimension and tolerance display, Email data as PDF

**Features:** macOS Compatibility

**In-app purchases:** none


### Springulator Spring Calculator

[App page](https://appshunter.io/ios/app/springulator-spring-calculator/id586301011)

This reference tool helps engineers, designers, and purchasing agents calculate various spring parameters. It supports compression, extension, and torsion springs, offering detailed stress charting and material selection.

**Highlights:** Compression, extension, and torsion spring calculations, Stress charting and material guidelines, Calculations based on selected materials, English and metric measurements, Adjustable initial tension for extension springs, Emailable and quotable results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aerospace Groove Selector free?

Aerospace Groove Selector is free to download, with no in-app purchases.

### Is Springulator Spring Calculator free?

Springulator Spring Calculator is free to download, with no in-app purchases.

### Which has better reviews, Aerospace Groove Selector or Springulator Spring Calculator?

Aerospace Groove Selector is rated higher. Aerospace Groove Selector averages 5.0 out of 5 from 2 ratings, while Springulator Spring Calculator averages 4.5 from 6 ratings.

### Do Aerospace Groove Selector or Springulator Spring Calculator have ads?

Neither Aerospace Groove Selector nor Springulator Spring Calculator shows ads.

### Which is updated more often, Aerospace Groove Selector or Springulator Spring Calculator?

Aerospace Groove Selector ships an update every 6 months, and Springulator Spring Calculator every 27 months. Most recently, Aerospace Groove Selector was updated on October 24, 2026 and Springulator Spring Calculator on October 26, 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.*