# T vs CaptionLens

The clearest difference is rating: CaptionLens at 5.0 against T's 3.1. T's advantage is in-app purchases (none vs 1) and ratings volume (88 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CaptionLens sells 1 in-app purchase, starting at $19.99 per month. T asks for nothing beyond the download.

CaptionLens holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: T has 88 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | T | CaptionLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (88 ratings)](https://appshunter.io/ios/app/t-mobile-ip-relay/id542802329/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/captionlens/id6469618653/reviews)** |
| Number of ratings | **88** | 1 |
| Positive reviews | 16.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Subscription |
| Size | 15 MB | 298 MB |
| Requires iOS | 16.6 | **16.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [T-Mobile](https://appshunter.io/developer/525560781) | [CaptionLens Inc.](https://appshunter.io/developer/6798560906) |

## What reviewers say

### T

[App page](https://appshunter.io/ios/app/t-mobile-ip-relay/id542802329)

This app enables individuals who are Deaf, Hard of Hearing, DeafBlind, or have a Speech Disability to make and receive relay calls using text over the internet. It connects users with a qualified relay operator and offers features like an integrated contact list and call history.

**Highlights:** Text-based relay calls, Integrated contact list, Call history, Access to live customer care, Available on wireless networks

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Accessible for DeafBlind
- 👍 Can save conversations
- 👍 Live operator accuracy
- 👍 App updated for easier call shifting
- 👍 Good for Spasmodic Dysphonia

**What reviewers complain about**

- 🐛 Lots of bugs
- 🐛 Calls get dropped
- 🐛 Fake number calls
- 🐛 App not updated
- 🐛 App broken, cannot make calls

**Reported bugs**

- App still has LOT of bugs
- Calls get dropped
- Line is busy error
- Hackers fake number calls
- App hasn't been updated

**Requested features**

- Ability to report spam callers
- Send words automatically as I type
- Add ability to block numbers
- Option to subscribe to spam call blocking service
- Make browser and app interfaces more similar


### CaptionLens

[App page](https://appshunter.io/ios/app/captionlens/id6469618653)

This communication app offers instant messaging and internet calls with real-time transcription for voice and speech. It allows users to send text, voice messages, pictures, and make audio/video calls, converting spoken words into text and vice versa.

**Highlights:** Instant messaging with text and voice, Audio and video calls with transcription, Voice messages transcribed to text, Speech converted to text during calls, Text synthesized into speech during calls, Picture and text posting

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mounth package | $19.99 | per month |


## Frequently asked questions

### Is T free?

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

### Is CaptionLens free?

CaptionLens is free to download, with in-app purchases available.

### Which has better reviews, T or CaptionLens?

CaptionLens is rated higher. T averages 3.1 out of 5 from 88 ratings, while CaptionLens averages 5.0 from 1 ratings.

### Do T or CaptionLens have ads?

Neither T nor CaptionLens shows ads.

### Which is updated more often, T or CaptionLens?

T ships an update every 3 months, and CaptionLens every 3 months. Most recently, T was updated on October 23, 2026 and CaptionLens on September 30, 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.*