典证 vs 掌上存
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
典证
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一款针对线下取证场景的专业取证工具,包含拍照取证、录像取证、录音取证以及录屏取证四大部分功能,还有文件存证、哈希存证功能。全场景覆盖,随时随地留存证据,侵权取证无一遗漏;司法公证+区块链技术双重背书,证据实时上链防篡改。适用多场景取证,满足不同取证需求,提供专业化服务为您的维权道路保驾护航。
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 典证's every 11 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.
典证 ships an update every 11 months, 掌上存 every 3 weeks. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.
| Parameter | 典证 | 掌上存 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 33 MB | 71 MB |
| Age rating | 17+ | 17+ |
| Developer | 安徽省池州市九华公证处 | Faxingongzhengyun (Xiamen) Science and Technology Ltd |
In-app purchases
典证
No in-app purchases
掌上存
No in-app purchases









