# mySchneider vs DuctCalc.Ca

The clearest difference is rating: mySchneider at 3.6 against DuctCalc.Ca's 1.9. mySchneider also leads on in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 4 months). DuctCalc.Ca's advantage is iOS requirement (11.3 vs 17.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. DuctCalc.Ca sells 4 one-off in-app purchases. mySchneider asks for nothing beyond the download.

mySchneider holds the better App Store score, 3.6 against 1.9. That said, the two scores are not equally well evidenced: mySchneider has 147 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 58% of mySchneider's written reviews are positive against 50% of DuctCalc.Ca's.

mySchneider ships an update every 2 weeks, DuctCalc.Ca every 4 months. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | mySchneider | DuctCalc.Ca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (147 ratings)](https://appshunter.io/ios/app/myschneider/id714825126/reviews)** | [1.9 (20 ratings)](https://appshunter.io/ios/app/ductcalcca/id1434460375/reviews) |
| Number of ratings | **147** | 20 |
| Positive reviews | **58.4% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 258 MB | 9 MB |
| Requires iOS | 17.0 | **11.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Schneider Electric SA](https://appshunter.io/developer/615996152) | [Firas Kneifati](https://appshunter.io/developer/1434460374) |

## What reviewers say

### mySchneider

[App page](https://appshunter.io/ios/app/myschneider/id714825126)

Access product catalogs, technical documents, and support directly from your mobile device. Connect with experts, track orders, and manage your installations with personalized features. Stay updated on technical news and compliance information.

**Highlights:** Product catalog browsing and search, Technical content and documentation, Product substitution suggestions, Distributor locator, Barcode/QR scanner, Live chat with experts, Order and price tracking

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

**In-app purchases:** none


### DuctCalc.Ca

[App page](https://appshunter.io/ios/app/ductcalcca/id1434460375)

This utility app calculates duct dimensions and air velocity using two methods: Equal Friction and Velocity. It supports both round and rectangular ducts, offering precise calculations for HVAC professionals. Offline functionality is available with a subscription.

**Highlights:** Duct sizing calculator, Equal Friction Method, Velocity Method, Round and rectangular duct support, Offline functionality, Full air flow range activation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Full Air Flow | $6.99 | one-time |
| Three Months Full Air Flow | $17.99 | one-time |
| Six Months Full Air Flow | $29.99 | one-time |
| One Year Full Air Flow | $49.99 | one-time |


## Frequently asked questions

### Is mySchneider free?

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

### Is DuctCalc.Ca free?

DuctCalc.Ca is free to download, with in-app purchases available.

### Which has better reviews, mySchneider or DuctCalc.Ca?

mySchneider is rated higher. mySchneider averages 3.6 out of 5 from 147 ratings, while DuctCalc.Ca averages 1.9 from 20 ratings.

### Do mySchneider or DuctCalc.Ca have ads?

Neither mySchneider nor DuctCalc.Ca shows ads.

### Which is updated more often, mySchneider or DuctCalc.Ca?

mySchneider ships an update every 2 weeks, and DuctCalc.Ca every 4 months. Most recently, mySchneider was updated on October 27, 2026 and DuctCalc.Ca on October 17, 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.*