# calcISO5817 vs The Clock by seense

The clearest difference is rating: calcISO5817 at 5.0 against The Clock by seense's 4.0. calcISO5817 also leads on review sentiment (100% vs 73%). The Clock by seense's advantage is ratings volume (22 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

calcISO5817 costs $2.99 and The Clock by seense $2.99 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 4.0. That said, the two scores are not equally well evidenced: The Clock by seense has 22 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 73% of The Clock by seense's.

calcISO5817 ships an update every 12 months, The Clock by seense every 8 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | calcISO5817 | The Clock by seense |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calciso5817/id521567469/reviews)** | [4.0 (22 ratings)](https://appshunter.io/ios/app/the-clock-by-seense/id1389282014/reviews) |
| Number of ratings | 1 | **22** |
| Positive reviews | **100.0% of reviews** | 73.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 8 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 15 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [Fabrice Leyne](https://appshunter.io/developer/473092875) |

## 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


### The Clock by seense

[App page](https://appshunter.io/ios/app/the-clock-by-seense/id1389282014)

Manage contacts across time zones, plan meetings efficiently, and view calendars with this highly customizable world clock app. It offers a variety of clock faces, business hour highlights, and break reminders, with widget and Siri shortcut support.

**Highlights:** World clock with customizable faces, Meeting planner with business hours, iOS Calendar integration, Break reminders, Widget and Siri Shortcuts, Customizable themes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is calcISO5817 free?

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

### Is The Clock by seense free?

The Clock by seense costs $2.99, with no in-app purchases.

### Which has better reviews, calcISO5817 or The Clock by seense?

calcISO5817 is rated higher. calcISO5817 averages 5.0 out of 5 from 1 ratings, while The Clock by seense averages 4.0 from 22 ratings.

### Do calcISO5817 or The Clock by seense have ads?

Neither calcISO5817 nor The Clock by seense shows ads.

### Which is updated more often, calcISO5817 or The Clock by seense?

calcISO5817 ships an update every 12 months, and The Clock by seense every 8 months. Most recently, calcISO5817 was updated on November 1, 2026 and The Clock by seense on November 2, 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.*