# Culligan Service Tech vs T

The clearest difference is ratings volume: T at 39 against Culligan Service Tech's 5. Culligan Service Tech's advantage is iOS requirement (13.0 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.2 for Culligan Service Tech against 3.3 for T. That said, the two scores are not equally well evidenced: T has 39 ratings behind it against 5, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Culligan Service Tech | T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/culligan-service-tech/id591398223/reviews) | **[3.3 (39 ratings)](https://appshunter.io/ios/app/t-mobile-multiline/id1218949474/reviews)** |
| Number of ratings | 5 | **39** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 106 MB | 131 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Culligan International Company](https://appshunter.io/developer/526800987) | [T-Mobile](https://appshunter.io/developer/525560781) |

## What reviewers say

### Culligan Service Tech

[App page](https://appshunter.io/ios/app/culligan-service-tech/id591398223)

Access hundreds of product guides and manuals for Culligan equipment on your iPad. This app is designed for field technicians to quickly reference necessary documentation.

**Highlights:** Offline access to product guides, Hundreds of product manuals, Designed for field technicians, iPad compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### T

[App page](https://appshunter.io/ios/app/t-mobile-multiline/id1218949474)

This app allows employees to add a separate, company-managed phone number to their personal device. Keep work and personal communications distinct with a dedicated line for calls, texts, and voicemail. Gain insights into work-related productivity.

**Highlights:** Separate work and personal numbers, Dedicated line for calls, texts, voicemail, Works over any domestic carrier network, Provides productivity insights and analytics, Simple to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Culligan Service Tech free?

Culligan Service Tech is free to download, with no in-app purchases.

### Is T free?

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

### Which has better reviews, Culligan Service Tech or T?

T is rated higher. Culligan Service Tech averages 3.2 out of 5 from 5 ratings, while T averages 3.3 from 39 ratings.

### Do Culligan Service Tech or T have ads?

Neither Culligan Service Tech nor T shows ads.

### Which is updated more often, Culligan Service Tech or T?

Culligan Service Tech ships an update every 4 months, and T every 4 months. Most recently, Culligan Service Tech was updated on November 1, 2026 and T 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.*