# By vs ISIGest Mobile

The clearest difference is update cadence: ISIGest Mobile at every 9 days against By's every 5 months. By's advantage is iOS requirement (8.0 vs 15.5). On price, ads, in-app purchases and device support 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 5 months, ISIGest Mobile every 9 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | By | ISIGest Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 11 MB | 40 MB |
| Requires iOS | **8.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vimar S.p.A.](https://appshunter.io/developer/401438010) | [ISIGest S.r.l.](https://appshunter.io/developer/1462631626) |

## What reviewers say

### By

[App page](https://appshunter.io/ios/app/by-gate-pro/id1200843814)

**In-app purchases:** none


### ISIGest Mobile

[App page](https://appshunter.io/ios/app/isigest-mobile/id1462631716)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is By free?

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

### Is ISIGest Mobile free?

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

### Do By or ISIGest Mobile have ads?

Neither By nor ISIGest Mobile shows ads.

### Which is updated more often, By or ISIGest Mobile?

By ships an update every 5 months, and ISIGest Mobile every 9 days. Most recently, By was updated on November 2, 2026 and ISIGest Mobile on November 7, 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.*