# SSA Weight Calculator vs Quad Defects

The clearest difference is update cadence: Quad Defects at daily against SSA Weight Calculator's every 6 months. On price, ads, 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.

SSA Weight Calculator ships an update every 6 months, Quad Defects daily. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SSA Weight Calculator | Quad Defects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ssa-weight-calculator/id734747801/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Free | — |
| Size | 9 MB | 32 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Service Steel Aerospace Corp.](https://appshunter.io/developer/734747804) | [Autosys Industrial Solutions Private Limited](https://appshunter.io/developer/1703269777) |

## What reviewers say

### SSA Weight Calculator

[App page](https://appshunter.io/ios/app/ssa-weight-calculator/id734747801)

Calculate the weight of various metal types including stainless steel, titanium, and nickel alloys. This tool is designed for professionals needing precise material weight estimations.

**Highlights:** Weight calculation for multiple metal types, Supports Stainless Steel, Titanium, Nickel Alloys, and more, Designed for industrial and aerospace applications, Precise material weight estimations

**Features:** macOS Compatibility

**In-app purchases:** none


### Quad Defects

[App page](https://appshunter.io/ios/app/quad-defects/id6748558117)

**In-app purchases:** none


## Frequently asked questions

### Is SSA Weight Calculator free?

SSA Weight Calculator is free to download, with no in-app purchases.

### Is Quad Defects free?

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

### Do SSA Weight Calculator or Quad Defects have ads?

Neither SSA Weight Calculator nor Quad Defects shows ads.

### Which is updated more often, SSA Weight Calculator or Quad Defects?

SSA Weight Calculator ships an update every 6 months, and Quad Defects daily. Most recently, SSA Weight Calculator was updated on October 7, 2026 and Quad Defects on October 16, 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.*