BT Card vs GEM Access
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
BT Card
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Show-to-Go: Put the mobile phone close to (15 to 20 centimeters) Bluetooth Reader and open the door. Shake-to-Go: Shake the phone in the scope of the Bluetooth Reader and open the door. Hands-Free: Put the phone in the scope of the Bluetooth Reader and open the door. Manual Button: Click the Manual Button to open the door. Other functions: - Background Mode allows users to open the door without unlocking the phone. - Advanced Settings and Reader Settings need a password to enter. - Local Authorization and Remote Authorization. - Users can set the scope of the Bluetooth Reader. - During the anti-passback time, card data transmission is not allowed.
GEM Access
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Features of GEM Access app: - Tap the βOPEN" icon on app's main page to unlock a door. - View User List and Add/Delete/Edit user information. - View Audit Trail to view/export event log history. - Backup and Restore data. - Add user cards or key fobs to unlock. - Enable keypad access to unlock.
Screenshots
Verdict
BT Card and GEM Access are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BT Card ships an update monthly, GEM Access every 3 weeks. The most recent releases landed on September 12, 2026 and August 29, 2026 respectively.
| Parameter | BT Card | GEM Access |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details β not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Smarfid Security Equipment Co., Ltd. | Gianni Industries Inc. |
In-app purchases
BT Card
No in-app purchases
GEM Access
No in-app purchases
