# By vs Motag

The clearest difference is update cadence: By at every 4 months against Motag's every 9 months. By also leads on iOS requirement (9.0 vs 11.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

By ships an update every 4 months, Motag every 9 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | By | Motag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.7 (3 ratings)](https://appshunter.io/ios/app/motag/id1640093160/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 41 MB | 190 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vimar S.p.A.](https://appshunter.io/developer/401438010) | [Summit Electronics LLC](https://appshunter.io/developer/1592582523) |

## What reviewers say

### By

[App page](https://appshunter.io/ios/app/by-web/id479235916)

Control your home automation system remotely. Manage lighting, climate, and security from your smartphone or tablet, whether you're at home or away. Requires specific hardware for Vimar By-me or KNX systems.

**Highlights:** Remote system supervision, Control via LAN/Wi-Fi, Control via 3G/Internet, User-friendly icons, Optimized access speed, iOS 13+ localization settings

**In-app purchases:** none


### Motag

[App page](https://appshunter.io/ios/app/motag/id1640093160)

This app tracks your daily exercise and monitors your progress over time. It helps you achieve your fitness goals by providing detailed insights into your activity.

**Highlights:** Daily exercise recording, Progress tracking (daily, weekly, monthly, yearly), Goal achievement assistance, Fitness insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is By free?

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

### Is Motag free?

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

### Do By or Motag have ads?

Neither By nor Motag shows ads.

### Which is updated more often, By or Motag?

By ships an update every 4 months, and Motag every 9 months. Most recently, By was updated on October 20, 2026 and Motag 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.*