DoorFast vs Amatech
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
DoorFast
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DoorFast, Focus on mobile Internet access control and related smart communities and smart enterprise and smart school and other.Add smart home module function
Amatech
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Control your building intercom from your iPhone โ answer video calls, unlock doors remotely, and manage access for your home or apartment community.
Screenshots
Verdict
The clearest difference is update cadence: Amatech at monthly against DoorFast's every 7 months. DoorFast's advantage is iOS requirement (12.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DoorFast ships an update every 7 months, Amatech monthly. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.
| Parameter | DoorFast | Amatech |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Monthly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 โ better | 16 |
| Further details โ not scored | ||
| Size | 114 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | ๅฎๆ น ๅผ | AMA technology LLC |
In-app purchases
DoorFast
No in-app purchases
Amatech
No in-app purchases
