KeyTag vs 墨水屏胸卡
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyTag
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用户可以裁剪图片，传到NFC吊牌上显示。支持iphone8及以上机型。
墨水屏胸卡
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重磅功能： - 支持图片切换，一次性可传输多张图片 - 传输速度更快
Screenshots
Verdict
The clearest difference is update cadence: KeyTag at every 2 months against 墨水屏胸卡's every 7 months. 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.
KeyTag ships an update every 2 months, 墨水屏胸卡 every 7 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.
| Parameter | KeyTag | 墨水屏胸卡 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市立显通科技有限公司 | Bupin Electronics Technology Co.,Ltd. |
In-app purchases
KeyTag
No in-app purchases
墨水屏胸卡
No in-app purchases
