# CPS Link vs FSI Inbox

The clearest difference is rating: FSI Inbox at 4.6 against CPS Link's 1.9. CPS Link's advantage is ratings volume (157 vs 5) and iOS requirement (11.0 vs 15.1). 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.

FSI Inbox holds the better App Store score, 4.6 against 1.9. That said, the two scores are not equally well evidenced: CPS Link has 157 ratings behind it against 5, so its average is the more settled of the two.

CPS Link ships an update every 3 weeks, FSI Inbox monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | CPS Link | FSI Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (157 ratings)](https://appshunter.io/ios/app/cps-link/id1185092042/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/fsi-inbox/id6670702040/reviews)** |
| Number of ratings | **157** | 5 |
| Positive reviews | 13.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 85 MB | 58 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products](https://appshunter.io/developer/945771072) | [Facilities Survey Inc](https://appshunter.io/developer/622634630) |

## What reviewers say

### CPS Link

[App page](https://appshunter.io/ios/app/cps-link/id1185092042)

Connect multiple wireless sensors to create a comprehensive diagnostic measurement system. Perform quick single measurements or complex full system diagnostics with analytics. Expand your system over time with new sensor solutions.

**Highlights:** Connect multiple wireless sensors, Comprehensive diagnostic measurement system, Perform quick measurements, Complex system diagnostics with analytics, Expandable sensor system

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Worked well initially
- 💡 Useful features

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Connectivity issues
- ⚠️ Unreliable performance
- 💸 Expensive for poor quality

**Reported bugs**

- App crashes on launch
- Bluetooth connectivity problems
- Inconsistent readings and measurements
- Incompatible with newer iOS versions

**Requested features**

- Update app to fix compatibility issues
- Improve customer support and responsiveness
- Provide better documentation and troubleshooting guides


### FSI Inbox

[App page](https://appshunter.io/ios/app/fsi-inbox/id6670702040)

This mobile application streamlines work order management for technicians on the go. It offers a personalized experience to quickly complete assigned tasks with easy-to-use workflows for comments, readings, and attachments.

**Highlights:** Work order management, Mobile technician companion, Fast task completion, Enter completion comments, Record procedure readings, Add attachments

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

**In-app purchases:** none


## Frequently asked questions

### Is CPS Link free?

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

### Is FSI Inbox free?

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

### Which has better reviews, CPS Link or FSI Inbox?

FSI Inbox is rated higher. CPS Link averages 1.9 out of 5 from 157 ratings, while FSI Inbox averages 4.6 from 5 ratings.

### Do CPS Link or FSI Inbox have ads?

Neither CPS Link nor FSI Inbox shows ads.

### Which is updated more often, CPS Link or FSI Inbox?

CPS Link ships an update every 3 weeks, and FSI Inbox monthly. Most recently, CPS Link was updated on October 24, 2026 and FSI Inbox on October 24, 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.*