Comparison

地震预警 vs Docmark

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

地震预警

Receive early warnings for earthquakes seconds to tens of seconds before they strike. Customize alert thresholds, view detailed seismic information, and report emergency situations. Access educational content and review past alerts.

Highlights
  • Earthquake early warning service
  • Customizable alert thresholds
  • View epicenter, magnitude, and intensity
  • Emergency distress message upload
  • Earthquake preparedness education
  • Review alert history
Features
Read full description

信息来自中国地震预警网。在地震发生时提前几秒到几十秒预警,可自主设置预警触发阈值;可及时查看震中位置、预警震级、预估烈度、预警时间等预警信息;可紧急上传求救信息;支持预警科普、查询预警记录。
 功能亮点: 
 1【预警服务】
 自2011年起提供地震预警服务,成功预警芦山7级强震、鲁甸6.5级地震、九寨沟7级地震、长宁6级地震、山东平原5.5级地震、甘肃积石山6.2级地震等网内所有破坏性地震,用户收到预警合理避险,减少人员伤亡和次生灾害。
 2【预警设置】 
支持播报策略设置、触发阈值设置
。 3【灾情上传】 
地震后,可上传避险反馈、现场灾情险情,应急部门第一时间获取现场情况,以便精准救援。
 4【预警科普】
 了解预警声音、地震预警科普、预警案例
 【VIP会员服务说明】 1.服务获取:VIP会员服务为收费服务,您可以通过支付相应的服务费用购买。 2.服务期限:您的VIP会员服务的服务期限以您自行选择并支付相应会员费用对应的服务期限为准,自您成为VIP会员之时起算,您可以通过登录地震预警App在“我的”页面进行免费查询。 3.收费方式:VIP会员服务为收费服务,您可通过地震预警 App使用苹果支付完成 VIP会员费用的支付,用户确认购买并付款后计入苹果iTunes支付账户。 4.自动续费:苹果iTunes账户会在到期前24小时扣费,扣费成功后订阅周期顺延一个周期。 5.关闭自动续费:您可以在苹果手机“设置”-->进入“iTunes Store 与 App Store”-->点击“Apple lD”,选择“查看 Apple lD”,进入“账户设置”页面,点击订阅”,管理自动订阅服务,如需取消,每个计费周期结束前 24小时关闭即可,到期前24小时内则不再扣费。 6.费用退还:以苹果iTunes账户退款规则为准 【打赏/鼓励支持说明】 1.用途说明:为了持续提升灾害预警技术和服务,为了更准确、更及时、更精准、更广泛的预警服务,恳请支持,您支付的费用将用于支持地震预警、多灾种预警、地震预报的研究、研发、服务。用户确认打赏/鼓励支持并付款后计入苹果iTunes支付账户 2.用户是否使用打赏/鼓励支持功能由其自行决定,但打赏/鼓励支持后非因法定情形或相关规定一律不可撤回。 【用户协议与隐私政策】 用户服务协议:https://video.chinaeew.cn:8203 隐私政策:https://video.chinaeew.cn:8204

About

Docmark

This app helps you manage and secure your credentials with custom watermarks. It prioritizes privacy with offline processing and optional iCloud synchronization. Organize, categorize, and batch edit your documents for enhanced security.

Highlights
  • Offline credential processing
  • Customizable watermarks
  • Batch editing and sorting
  • Local and iCloud storage
  • Organize and categorize credentials
Features
Read full description

Docmark - Your Privacy Credential Management Assistant Completely offline, local processing, supports classified management of your credentials. By default, no network access permission is requested. Only after enabling iCloud synchronization will network permission be requested, due to the need to communicate with iCloud servers when using Apple's official iCloud development library 'CloudKit'. • Easily organize and categorize your various credentials, supports multiple credential files within one storage item, and individually add watermarks to specific credentials. • Customize watermark styles, including text size, density, transparency, and rotation angle • Support batch editing and sorting of multiple credential images • Support local storage and iCloud cloud synchronization for more secure data • Image processing is completely offline, protecting your privacy and security • iCloud synchronization uses Apple's official CloudKit to protect privacy and security.

Screenshots

地震预警4 screens
Docmark4 screens

Verdict

The call

The clearest difference is review sentiment: Docmark at 100% against 地震预警's 29%. Docmark also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price, update cadence, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 地震预警 sells 20 in-app purchases, starting at $1.99 per year and Docmark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
地震预警 versus Docmark: the parameters behind the verdict, then further details
Parameter地震预警Docmark
PriceFreeFree
Rating1.9 (163 ratings) — better—
Positive reviews29.3% of reviews100.0% of reviews — better
Number of ratings163 — better—
Update frequencyMonthlyMonthly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size174 MB46 MB
Age rating4+4+
DeveloperInstitute of Care-LifeCometDust Technology (Guangzhou) Co., Ltd

Customer experience

地震预警

All ratings163 ratings
Positive21.5%
Neutral3.1%
Negative75.5%
Written reviews116 reviews
Positive29.3%
Neutral3.4%
Negative67.2%

Docmark

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

20 purchases

地震预警

Subscriptions2
  • 地震预警-VIP订阅$1.991 Year
  • 实时地震预警SVIP订阅$3.991 Year
One-time18
  • 鼓励支持-支付费用10元$0.99
  • 打赏鼓励-支付费用5元$0.99
  • 打赏支持-愿越做越好$0.99
Show 15 more
  • 打赏支持-小小鼓励$0.99
  • 赞赏鼓励-支付费用15元$1.99
  • 赞赏支持-支付费用19.8元$2.99
  • 鼓励与支持-19.8$2.99
  • 打赏鼓励-支付费用50元$6.99
  • 鼓励与支持-48.8$6.99
  • 打赏鼓励-支付费用100元$14.99
  • 鼓励与支持-99.8$14.99
  • 鼓励与支持-198$29.99
  • 鼓励与支持-500$69.99
  • 打赏鼓励-支付费用598元$89.99
  • 打赏鼓励-支付费用1000元$149.99
  • 打赏鼓励-支付费用1988元$299.99
  • 打赏鼓励-支付费用5988元$899.99
  • 打赏鼓励-支付费用6988元$999.99
1 purchases

Docmark

One-time1
  • Pro$2.99

Questions

Is 地震预警 free?
地震预警 is free to download, with in-app purchases available.
Is Docmark free?
Docmark is free to download, with in-app purchases available.
Do 地震预警 or Docmark have ads?
地震预警 shows ads; Docmark does not.
Which is updated more often, 地震预警 or Docmark?
地震预警 ships an update monthly, and Docmark monthly. Most recently, 地震预警 was updated on October 26, 2026 and Docmark on October 15, 2026.

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