E vs TT02 DFU Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
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Meet the smart generation of locking solution which combines RFID and PIN with innovative BLE mobile access technology. The world’s first system of RF user card and smartphone access key synchronization along with the enhanced security algorithm provides more advanced and efficient approach towards managing the locker rooms at various kinds of venues, such as resorts, fitness, schools and universities, hospitals and clinics, private and government entities etc. Esmart Mobile access solution by Passtech includes two options, which are standalone offline and wireless online systems. Owing to this, the system is very flexible and adaptable to various types of conditions. Moreover, Esmart Mobile can be easily programmed to work in either free or assigned modes along with multi-user (many users are assigned to one lock) and multi-locker (one user manages more than one locker) functions. In addition to that, multi-functionality and accessibility via various credentials makes Esmart Mobile the best solution to meet even the most demanding requirements. You can use this app to set up locks, get lock information, get usage log, and more.
TT02 DFU Tool
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Device firmware update (DFU) tool for TT02.
Screenshots
Verdict
The clearest difference is update cadence: E at every 3 weeks against TT02 DFU Tool's every 33 months. TT02 DFU Tool's advantage is iOS requirement (11.0 vs 13.0). On price, ads, 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.
E ships an update every 3 weeks, TT02 DFU Tool every 33 months. The most recent releases landed on August 29, 2026 and September 16, 2026 respectively.
| Parameter | E | TT02 DFU Tool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 33 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Passtech co., ltd | SYSGRATION |
In-app purchases
E
No in-app purchases
TT02 DFU Tool
No in-app purchases
