imOTP vs DrayTek Router
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
imOTP
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imOTP is a free one-time password (OTP) client implementation. The OTP solution provides strong authentication based on time synchronous one-time passwords and consists of a client component (this application) and a server component (available on http://motp.sourceforge.net). imOTP features: -) Supports multiple accounts based on profiles -) Supports strict 4-digit pins a well as longer alphanumeric pins -) Supports taking the generated password into the clipboard -) Displays the current epoch time
DrayTek Router
Easily set up and manage Vigor routers from your mobile device. Monitor network status, customize settings like VPN and parental controls, and get a quick overview of client usage without needing a PC or cables.
- Initial router setup without PC
- Manage WAN, LAN, WLAN, VPN
- Monitor client usage and network status
- Customize parental controls and content filtering
- Schedule internet access
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The app allows you to easily setup and manage Vigor Routers. From setting up at the very beginning to everyday-use monitoring. Key features and benefits include: - Set up Vigor Router from default status to your reliable WFH/SFH companion without the need of LAN cables and PC. - Utilize the most important Router functions, including WAN, LAN, WLAN, VPN, and Route Policy. - Get a quick overview of the client usage and network status. - Customize Parental Control rules to manage Internet access and content filtering with schedule. Supported Models & Firmware: -Vigor2927 Series (V4.4.0 or above) -Vigor2865 Series (V4.4.0 or above) -Vigor2136 Series (V5.4.0 or above) -Vigor2767 Series (V5.4.0.2 or above) -Vigor1220 Series (V5.4.2 or above) -Vigor2867 Series (V5.4.3 or above) -Vigor2928 Series (V5.4.3 or above)
Screenshots
Verdict
The clearest difference is update cadence: DrayTek Router at every 3 months against imOTP's every 8 months. imOTP's advantage is iOS requirement (9.0 vs 15.0). 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.
imOTP ships an update every 8 months, DrayTek Router every 3 months. The most recent releases landed on October 10, 2026 and September 25, 2026 respectively.
| Parameter | imOTP | DrayTek Router |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 9.1% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Johann Marinits | DrayTek Corp. |
In-app purchases
imOTP
No in-app purchases
DrayTek Router
No in-app purchases
