C vs DOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C
This utility app allows users to remotely manage and configure settings for specific devices. It provides a centralized interface for adjusting parameters and controlling device functions.
- Device parameter control
- Remote configuration
- Centralized interface
- SSG device management
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C-CAT is a control application for SSG's devices, allowing users to set parameters.
DOS
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DOS-V+ is uniquely designed for security surveillance with user friendly experience. This orange tag DOS-V+ is evolutional version and to differentiate from another version of blue tag DOS-V. It works with Talitor DOS-V vehicle DVR with UID number starting from 3, eg. 30000001~ It features cloud-assist easy connection that gives live viewing and remote playback without any hassle IP settings. It features : 1. 2CH HD video Live Viewing 2. 2CH HD video remotely playback SD card 3. 2CH HD video recording (both APP and DVR) 4. Configure the DVR parameters, eg. DVR power off delayed 5. Configure the DVR schedule recording 6. Configure the DVR account, password, camera name, etc. 7. Configure the DVR GPS time sync. 8. Configure the DVR WiFi SSID, password, and hiding SSID 9. Configure the DVR Date & Time 10. Formatting DVR SD card 11. More features updated dynamically
Screenshots
Verdict
The clearest difference is update cadence: DOS at every 6 weeks against C's every 10 months. DOS also leads on iOS requirement (10.0 vs 18.0). 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.
C ships an update every 10 months, DOS every 6 weeks. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.
| Parameter | C | DOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Sierra Innotek, Inc. | Talitor Technology Inc. |
In-app purchases
C
No in-app purchases
DOS
No in-app purchases
