TTLock vs St. Mark TN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TTLock
Control smart locks using your phone via Bluetooth. This app requires compatible hardware to function. Contact support within the app for assistance.
- Open doors via Bluetooth
- Requires compatible hardware
- In-app support contact
- Secure access
- Integrates with Alexa
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TTLock is used to open the door via bluetooth with your phone. To do this, APP should cowork with specific hardware. You can contact with us in the APP, if there is any question.
St. Mark TN
This is the official application for St. Mark Coptic Orthodox Church in Nashville, TN. It provides church contact details, priest information, and a registration option for deacons. Visit the website for more information.
- Official church app
- Contact information
- Priest details
- Deacon registration
- Website link
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This is the official app for St. Mark Coptic Orthodox Church in Nashville, TN. USA - Diocese of Southern United States under the auspice of H.E. Metropolitan Youssef. If you are a deacon of the church, please attempt to register using the App Registration button on the home screen. Additionally, please visit our website for more details! www.stmarktn.org/ Church Contact Details: 1-615-845-5577 1-615-423-5280 contact@stmarktn.org 1931 Old Murfreesboro Pike, Nashville, TN 37217 Church Priest: Fr. Pistavros Sedky fr.pistavros@stmarktn.org (615) 423-5280
Screenshots
Verdict
The clearest difference is review sentiment: St. Mark TN at 100% against TTLock's 25%. St. Mark TN also leads on rating (5.0 vs 2.9) and ads (none vs shown). TTLock's advantage is ratings volume (551 vs 4). On price, update cadence, in-app purchases and device support 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.
St. Mark TN holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: TTLock has 551 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of TTLock's written reviews are positive against 100% of St. Mark TN's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | TTLock | St. Mark TN |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (551 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 25.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 551 — better | 4 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 371 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Sciener Smart Technology | St. Mark C.O.C |
Customer experience
TTLock
St. Mark TN
Bugs and requests
TTLock
Reported bugs
5 issues- App crashes after updates
- Can't delete old locks from app
- Fingerprint scanner not working
- Remote unlock not functioning
- Passcode changes not syncing
Requested features
5 requests- Show lock/unlock status in app
- Add proximity unlock feature
- Improve Alexa integration
- Allow minute-level passcode scheduling
- Provide better customer support
St. Mark TN
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TTLock
No in-app purchases
St. Mark TN
No in-app purchases
