# calcISO5817 vs Structural Engineering Calc.

The clearest difference is review sentiment: calcISO5817 at 100% against Structural Engineering Calc.'s 0%. calcISO5817 also leads on rating (5.0 vs 4.5) and price ($2.99 vs $5.99). Structural Engineering Calc.'s advantage is ratings volume (21 vs 1). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

calcISO5817 costs $2.99 and Structural Engineering Calc. $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

calcISO5817 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Structural Engineering Calc. has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of calcISO5817's written reviews are positive against 0% of Structural Engineering Calc.'s.

calcISO5817 ships an update every 12 months, Structural Engineering Calc. every 10 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | calcISO5817 | Structural Engineering Calc. |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calciso5817/id521567469/reviews)** | [4.5 (21 ratings)](https://appshunter.io/ios/app/structural-engineering-calc/id590507987/reviews) |
| Number of ratings | 1 | **21** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 10 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 6 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### calcISO5817

[App page](https://appshunter.io/ios/app/calciso5817/id521567469)

This application helps welding professionals determine weld quality based on ISO 5817 standards. Input weld geometry and select imperfections to assess if a weld meets quality requirements.

**Highlights:** ISO 5817 quality level calculation, Weld geometry input, Imperfection selection, Weld OK/Not OK status, Comparison with measurements

**Features:** macOS Compatibility

**In-app purchases:** none


### Structural Engineering Calc.

[App page](https://appshunter.io/ios/app/structural-engineering-calc/id590507987)

This app provides 59 essential structural engineering formulas for columns, beams, base plates, composite beams, and connections. It offers instant demand/capacity checks, a built-in AISC section database, and material references, supporting both USCS and SI units for on-site or office use.

**Highlights:** 59 structural formulas, Instant demand/capacity checks, Built-in AISC section database, Material and code references, USCS & SI unit support, Pass/Fail visual indicators

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

**In-app purchases:** none


## Frequently asked questions

### Is calcISO5817 free?

calcISO5817 costs $2.99, with no in-app purchases.

### Is Structural Engineering Calc. free?

Structural Engineering Calc. costs $5.99, with no in-app purchases.

### Which has better reviews, calcISO5817 or Structural Engineering Calc.?

calcISO5817 is rated higher. calcISO5817 averages 5.0 out of 5 from 1 ratings, while Structural Engineering Calc. averages 4.5 from 21 ratings.

### Do calcISO5817 or Structural Engineering Calc. have ads?

Neither calcISO5817 nor Structural Engineering Calc. shows ads.

### Which is updated more often, calcISO5817 or Structural Engineering Calc.?

calcISO5817 ships an update every 12 months, and Structural Engineering Calc. every 10 months. Most recently, calcISO5817 was updated on October 7, 2026 and Structural Engineering Calc. on October 8, 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.*