O vs Dream ePRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O
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多中心临床试验是由多位研究者按同一试验方案在不同地点和单位同时进行的临床试验，各中心同期开始与结束试验，多中心试验由一位主要研究者总负责，并作为临床试验各中心间的协调研究者。 目前临床试验现状：周期长、方案复杂，不可控因素多，操作不规范，数据结果不真实等问题。芊泷（oceanus-plus）多中心管理平台，以项目管理为核心，高效连接项目各方，使参与项目的每个角色， 都能在同一个信息平台上实现信息共享、连接互动、沟通协作，让信息传递更快、更高效，让临床试验更简单、更透明、实时、可控、规范。
Dream ePRO
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Dream ePRO专注于临床试验平台，为患者服务。支持从患者收集数据（问卷、量表、电子日记）、随访管理、在线沟通及各种消息提醒等功能。
Screenshots
Verdict
The clearest difference is iOS requirement: Dream ePRO at 12.0 against O's 15.0. On price, update cadence, ads and in-app purchases 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.
O ships an update every 4 weeks, Dream ePRO every 2 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | O | Dream ePRO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 77 MB |
| Age rating | 12+ | 12+ |
| Developer | 铨融 (苏州)医药科技开发有限公司 | Clinflash Healthcare Technology (Jiaxing) Co.,Ltd |
In-app purchases
O
No in-app purchases
Dream ePRO
No in-app purchases
