# Olypsys Measure vs chring

The clearest difference is in-app purchases: chring at none against Olypsys Measure's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Olypsys Measure sells 3 in-app purchases, starting at $10.00 per month. chring asks for nothing beyond the download.

## The numbers

| Metric | Olypsys Measure | chring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/olypsys-measure/id1583943944/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Freemium | — |
| Size | 101 MB | 1 MB |
| Requires iOS | **16.4** | 17.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olypsys Technologies Ltd](https://appshunter.io/developer/1583943946) | [Cheng chan Chiang](https://appshunter.io/developer/1215602935) |

## What reviewers say

### Olypsys Measure

[App page](https://appshunter.io/ios/app/olypsys-measure/id1583943944)

This app helps businesses accurately measure and identify O-rings using their phone. It matches measurements against international standards and maintains an audit record with project details. Ideal for quality control during goods-inward inspection, part replacement, and pre-assembly checks.

**Highlights:** Accurate O-ring measurement, O-ring identification, Match against international standards, Audit record keeping, Project reference and location tagging, Goods-inward inspection tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Olypsys Pro Monthly | $10.00 | per month |
| Pro (yearly) | $80.00 | per year |
| Olypsys Enterprise Yearly | $600.00 | per year |


### chring

[App page](https://appshunter.io/ios/app/chring/id6476542591)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Olypsys Measure free?

Olypsys Measure is free to download, with in-app purchases available.

### Is chring free?

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

### Do Olypsys Measure or chring have ads?

Neither Olypsys Measure nor chring shows ads.

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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.*