# IS Mobile v2 vs Sentinel Pro

The clearest difference is update cadence: Sentinel Pro at every 3 weeks against IS Mobile v2's every 2 months. 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.

IS Mobile v2 ships an update every 2 months, Sentinel Pro every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IS Mobile v2 | Sentinel Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 78 MB | 3 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [WCG Clinical, Inc.](https://appshunter.io/developer/1754020949) | [Ben Software Ltd](https://appshunter.io/developer/1142125927) |

## What reviewers say

### IS Mobile v2

[App page](https://appshunter.io/ios/app/is-mobile-v2/id1539805917)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sentinel Pro

[App page](https://appshunter.io/ios/app/sentinel-pro/id1581444500)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IS Mobile v2 free?

IS Mobile v2 is free to download, with no in-app purchases.

### Is Sentinel Pro free?

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

### Do IS Mobile v2 or Sentinel Pro have ads?

Neither IS Mobile v2 nor Sentinel Pro shows ads.

### Which is updated more often, IS Mobile v2 or Sentinel Pro?

IS Mobile v2 ships an update every 2 months, and Sentinel Pro every 3 weeks. Most recently, IS Mobile v2 was updated on October 27, 2026 and Sentinel Pro on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*