# TBS Agent M vs ISD Link

The clearest difference is review sentiment: TBS Agent M at 71% against ISD Link's 21%. TBS Agent M also leads on rating (4.0 vs 2.1) and iOS requirement (11.0 vs 16.6). ISD Link's advantage is update cadence (fortnightly vs every 5 months) and ratings volume (25 vs 8). On price, ads, in-app purchases and monetization model there is nothing between them.

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

TBS Agent M holds the better App Store score, 4.0 against 2.1. Both are backed by a comparable volume of ratings — 8 and 25 respectively. Written reviews point the same way: 71% of TBS Agent M's written reviews are positive against 21% of ISD Link's.

TBS Agent M ships an update every 5 months, ISD Link fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | TBS Agent M | ISD Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/tbs-agent-m/id1533365662/reviews)** | [2.1 (25 ratings)](https://appshunter.io/ios/app/isd-link/id1568620244/reviews) |
| Number of ratings | 8 | **25** |
| Positive reviews | **71.4% of reviews** | 20.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 10 MB | 3 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TBS Avionics Co Ltd](https://appshunter.io/developer/1447199196) | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) |

## What reviewers say

### TBS Agent M

[App page](https://appshunter.io/ios/app/tbs-agent-m/id1533365662)

This mobile tool connects wirelessly to TBS Cloud-enabled devices for real-time configuration of settings. It can be used with or without an internet connection, offering flexibility for managing your TBS products.

**Highlights:** Wireless device configuration, Real-time setting adjustments, Offline connectivity support, TBS Cloud integration, Mobile companion tool

**Features:** macOS Compatibility

**In-app purchases:** none


### ISD Link

[App page](https://appshunter.io/ios/app/isd-link/id1568620244)

This app allows interaction with various smart devices. It prioritizes user privacy by saving all data locally and not collecting personal information. Bluetooth is required for device scanning and connection.

**Highlights:** Smart device interaction, Local data saving, No account registration, Bluetooth connectivity, Supports numerous device models

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

**In-app purchases:** none


## Frequently asked questions

### Is TBS Agent M free?

TBS Agent M is free to download, with no in-app purchases.

### Is ISD Link free?

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

### Which has better reviews, TBS Agent M or ISD Link?

TBS Agent M is rated higher. TBS Agent M averages 4.0 out of 5 from 8 ratings, while ISD Link averages 2.1 from 25 ratings.

### Do TBS Agent M or ISD Link have ads?

Neither TBS Agent M nor ISD Link shows ads.

### Which is updated more often, TBS Agent M or ISD Link?

TBS Agent M ships an update every 5 months, and ISD Link fortnightly. Most recently, TBS Agent M was updated on November 3, 2026 and ISD Link on November 3, 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.*