# ISD Go vs SENTRY PRO

The clearest difference is device support: ISD Go at 4 against SENTRY PRO's 2. SENTRY PRO's advantage is iOS requirement (9.0 vs 11.0). On price, update cadence, 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.

ISD Go ships an update weekly, SENTRY PRO every 5 days. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ISD Go | SENTRY PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (30 ratings)](https://appshunter.io/ios/app/isd-go/id1447072980/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 18.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | — |
| Size | 26 MB | 14 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [Limson Marketing Inc.](https://appshunter.io/developer/1555979018) |

## What reviewers say

### ISD Go

[App page](https://appshunter.io/ios/app/isd-go/id1447072980)

Control and manage wireless smart devices with a user-friendly interface. Connect and operate devices via Bluetooth, and receive automatic firmware updates when new versions are available.

**Highlights:** Connect BLE smart devices, Wireless device operation, Automatic firmware detection, Firmware upgrades, User-friendly interface

**In-app purchases:** none


### SENTRY PRO

[App page](https://appshunter.io/ios/app/sentry-pro/id1641050180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISD Go free?

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

### Is SENTRY PRO free?

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

### Do ISD Go or SENTRY PRO have ads?

Neither ISD Go nor SENTRY PRO shows ads.

### Which is updated more often, ISD Go or SENTRY PRO?

ISD Go ships an update weekly, and SENTRY PRO every 5 days. Most recently, ISD Go was updated on October 15, 2026 and SENTRY PRO on October 2, 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.*