精诚云证 vs 掌上存
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
精诚云证
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提供在线取证、公证服务.覆盖取证全场景,实时上传云端存证为电子证据,并采用时间戳、GPS定位、公安部主体身份识别、数据加密存储、区块链同步数字指纹、区块链存储等技术,确保证据的可追溯、安全合法。在线申请公证,省时省力省心,让您足不出户完成公证。
掌上存
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掌上存app是为公众量身定做的移动端取证工具,通过录音、拍照、录像、网页截图等方式自助实现对电子证据的取证和存证,结合APP公证在线申办功能,为电子证据“赋能”。 【功能介绍】 1.移动取证 提供通话录音、现场录音、手机拍照、手机录像等取证工具进行取证,并实时将证据保存到公证处服务器,能够权威、真实地还原事实,避免纠纷。 2.在线申办 支持自助取证后,从掌上存app直接在线发起公证申办到公证处,申请公证处对电子证据进行证据保全并出具公证文书。
Screenshots
Verdict
The clearest difference is update cadence: 掌上存 at every 3 weeks against 精诚云证's every 6 weeks. 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.
精诚云证 ships an update every 6 weeks, 掌上存 every 3 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.
| Parameter | 精诚云证 | 掌上存 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 49 MB | 71 MB |
| Age rating | 4+ | 17+ |
| Developer | BEIJING CAPITAL NOTARY PUBLIC OFFICE | Faxingongzhengyun (Xiamen) Science and Technology Ltd |
In-app purchases
精诚云证
No in-app purchases
掌上存
No in-app purchases








