# Orcas Flowmeter vs C3 Data

Orcas Flowmeter and C3 Data are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

C3 Data holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 5 and 8 respectively.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on July 20, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Orcas Flowmeter | C3 Data |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/orcas-flowmeter/id703927884/reviews) | **[4.6 (8 ratings)](https://appshunter.io/ios/app/c3-data/id1145515518/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 16 MB | 40 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SoundWater Technologies](https://appshunter.io/developer/703927887) | [C3 Data](https://appshunter.io/developer/1145515517) |

## What reviewers say

### Orcas Flowmeter

[App page](https://appshunter.io/ios/app/orcas-flowmeter/id703927884)

This application connects to an innovative sensor to measure fluid flow through pipes. It guides you through setup, displays real-time readings, and stores historical data. The app remembers location specifications for easy repeated measurements.

**Highlights:** Connects to Orcas Sensor via Bluetooth, Displays real-time fluid flow readings, Stores flow data for up to 365 days, Supports data sharing via email, text, or AirDrop, Saves and re-uses location settings, Offers metric or imperial measurement options

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

**In-app purchases:** none


### C3 Data

[App page](https://appshunter.io/ios/app/c3-data/id1145515518)

This application helps pyrometry laboratories and heat treat plants track compliance with industry standards. It provides instant visual feedback on test results against specified criteria, supporting various data collection needs for furnaces.

**Highlights:** Nadcap and CQI-9 compliance tracking, Calibration, SAT, and TUS data collection, Instant pass/fail visual indicators, Test and instrument management, On- and offline operation, Zebra Bluetooth printer support

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

**In-app purchases:** none


## Frequently asked questions

### Is Orcas Flowmeter free?

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

### Is C3 Data free?

C3 Data is free to download, with no in-app purchases.

### Which has better reviews, Orcas Flowmeter or C3 Data?

C3 Data is rated higher. Orcas Flowmeter averages 4.4 out of 5 from 5 ratings, while C3 Data averages 4.6 from 8 ratings.

### Do Orcas Flowmeter or C3 Data have ads?

Neither Orcas Flowmeter nor C3 Data shows ads.

### Which is updated more often, Orcas Flowmeter or C3 Data?

Orcas Flowmeter ships an update every 5 weeks, and C3 Data every 5 weeks. Most recently, Orcas Flowmeter was updated on July 20, 2026 and C3 Data on August 23, 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.*