容大SFOTA vs 优博讯K31固件升级
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
容大SFOTA
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这是一款打印机升级工具，支持蓝牙连接打印机，检测最新固件版本并升级。 打印机升级工具将持续更新，在未来提供更多的功能、适配更多种的打印机。
优博讯K31固件升级
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优博讯K31固件升级 APP
Screenshots
Verdict
The clearest difference is update cadence: 容大SFOTA at every 2 months against 优博讯K31固件升级's every 4 months. 容大SFOTA also leads on iOS requirement (11.0 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.
容大SFOTA ships an update every 2 months, 优博讯K31固件升级 every 4 months. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.
| Parameter | 容大SFOTA | 优博讯K31固件升级 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen Rongta Technology Co.,Ltd | UROVO TECHNOLOGY CO., LTD. |
In-app purchases
容大SFOTA
No in-app purchases
优博讯K31固件升级
No in-app purchases
