PasstechFwDown vs TT02 DFU Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PasstechFwDown
Read full descriptionHide full description
This is an app that allows you to update the firmware of Passtech Lock. You can share firmware file and put them into the app.
TT02 DFU Tool
Read full descriptionHide full description
Device firmware update (DFU) tool for TT02.
Screenshots
Verdict
The clearest difference is update cadence: PasstechFwDown at every 2 months 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.
PasstechFwDown ships an update every 2 months, TT02 DFU Tool every 33 months. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.
| Parameter | PasstechFwDown | TT02 DFU Tool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 33 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Passtech co., ltd | SYSGRATION |
In-app purchases
PasstechFwDown
No in-app purchases
TT02 DFU Tool
No in-app purchases
