T vs FEITIAN Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
T
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.
- Text-based relay calls
- Integrated contact list
- Call history
- Access to live customer care
- Available on wireless networks
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IP Relay, provided by T-Mobile for iOS devices, is a no cost internet-based telecommunications Mobile app available for people who are Deaf, Hard of Hearing, DeafBlind, or who have a Speech Disability who can make and receive relay calls and communicate using text on iOS 9 or higher, including iPad devices. IP Relay app is also available on wireless networks. Connect with a qualified relay operator via IP Relay. Features include integrated contact list, call history, and access to live customer care. Available only in USA and US territories. International calls will either be blocked or terminated. Registration is required to use this app. If no data plan service selected, casual data charges may apply. Learn more at t-mobile.com/IPRelay. Although IP Relay can be used for emergency calling, such emergency calling may not function the same as traditional 911/E911 services. By using the IP Relay app for emergency calling you agree that T-Mobile is not responsible for any damages resulting from errors, defects, malfunctions, interruptions, or failures in accessing or attempting to access emergency services through IP Relay whether caused by the negligence of T-Mobile or otherwise.
FEITIAN Authenticator
This utility app facilitates identity authentication by burning secret seeds and managing time. It integrates with iePassFIDO for enhanced security and verification processes.
- Burn secret seeds
- Time management
- Identity authentication
- iePassFIDO integration
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FEITIAN Authenticator is An app that can be used to burn secret seeds,time. Combining with iePassFIDO, to realize identity authentication.
Screenshots
Verdict
The clearest difference is rating: T at 3.1 against FEITIAN Authenticator's 1.5. T also leads on ratings volume (87 vs 2) and update cadence (every 3 months vs every 11 months). FEITIAN Authenticator's advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
T holds the better App Store score, 3.1 against 1.5. That said, the two scores are not equally well evidenced: T has 87 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 16% of T's written reviews are positive against 0% of FEITIAN Authenticator's.
T ships an update every 3 months, FEITIAN Authenticator every 11 months. The most recent releases landed on September 27, 2026 and September 10, 2026 respectively.
| Parameter | T | FEITIAN Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (87 ratings) — better | 1.5 (2 ratings) |
| Positive reviews | 16.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 87 — better | 2 |
| Update frequency | Every 3 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | T-Mobile | FEITIAN Technologies Co.,Ltd. |
Customer experience
T
FEITIAN Authenticator
Bugs and requests
T
Reported bugs
50 issues- App still has LOT of bugs
- Calls get dropped
- Line is busy error
- Hackers fake number calls
- App hasn't been updated
Show 45 moreShow fewer
- Doesn't work at all now
- Cut out during call
- Tried to recall but didn't work
- Phone number in use error
- Call connects then drops
- CAs typing too many 'xxxx'
- Transcribes caller's words to email
- Password is wrong (works elsewhere)
- Cannot verify identity
- New version confusing
- Cannot use microphone on keyboard to dictate
- Cannot register, couldn't verify details
- App does not connect to relay
- Microphone doesn't work for voice to text
- App doesn't work
- Doesn't seem to work when trying to answer call
- Does not list incoming call
- Opening from notification screen, number not listed
- Buggy, doesn't cooperate with system accessibility settings
- Scrolling is buggy
- Incoming text bounces below window
- Incoming call window doesn't expand
- Incoming calls don't always answer
- System often cuts off users
- Performance gets worse
- Takes several minutes for messages to get through
- Never able to complete important calls
- Whenever I get a call, accept call does nothing
- No vibration or sound notification for incoming calls
- App requires upgrade but upgrade doesn't fix error
- Unable to type anything to answer call
- Can't see who called
- Cannot answer calls
- Number flashes briefly
- Cannot forward number
- Forwarding isn't supposed to work
- App crashes when opening
- Keyboard covers text box
- Login doesn't work
- Login not valid
- Username creation fails
- Nobody can hear me
- Login/password doesn't work on app
- Verification review takes too long
- Favorites screen doesn't work
Requested features
10 requests- 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
Show 5 moreShow fewer
- Sound alerts for incoming calls
- Way to read messages left by caller
- Voicemail for missed calls
- Copy and paste phone numbers into dial screen
- Alphabetized phone book
FEITIAN Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
T
No in-app purchases
FEITIAN Authenticator
No in-app purchases
Questions
Is T free?
Is FEITIAN Authenticator free?
Which has better reviews, T or FEITIAN Authenticator?
Do T or FEITIAN Authenticator have ads?
Which is updated more often, T or FEITIAN Authenticator?
Other comparisons
