Comparison

SealChat vs DDT

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

Head to head

About

SealChat

Features

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本应用展示了通过融云 IM SDK 实现的用于应用内社交的私聊、群聊沟通场景，及文字、表情、图片、语音、视频、地理位置、实时音视频、通知消息等丰富的沟通方式，同时基于融云自定义消息实现的个人名片等功能，欢迎安装体验。

About

DDT

Features

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DDT是一个安全、友善的空间，让每个人都能找到属于自己的幸福和归属感。加入我们，一起创造一个更加包容和平等的社会。

Screenshots

SealChat4 screens

DDT4 screens

Verdict

The call

The clearest difference is update cadence: DDT at weekly against SealChat's monthly. SealChat's advantage is iOS requirement (9.0 vs 12.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SealChat ships an update monthly, DDT weekly. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 4 level

SealChat versus DDT: the parameters behind the verdict, then further details
Parameter	SealChat	DDT
Price	Free	Free
Update frequency	Monthly	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	9.0 — better	12.0
Further details — not scored
Size	88 MB	42 MB
Age rating	17+	17+
Developer	北京创奇易科技有限公司	Guangzhou Baimaode Logistics Technology Co., Ltd.