Comparison

第二信号 vs Sub

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

Head to head
About

第二信号

This app encourages authentic self-expression and emotional sharing through a unique social networking platform. Users can connect with like-minded individuals, share life moments via photos and text, and build new relationships.

Highlights
  • Create 'Cards' as personal introductions
  • Share photos and text updates
  • Discover and connect with new people
  • Send 'stars' to show appreciation
  • Private messaging for friends
  • Build a personal relationship network
Read full description

第二信号,做最真实的自己。说你想说,做你想做。恣意挥洒情绪,任凭灵感发挥。 对于现实的感知,如声、光、电、味等,称为第一信号。而对于抽象的感知,经过大脑的加工,转换为语言文字,称为第二信号。不同于动物,第二信号是人类独有的。第二信号就是社交信号,我们通过它表达情绪。 第二个朋友圈 ·在“发现”中,赠送星星,表达欣赏,寻找其他有趣的个体,星光一触即发。 ·用“消息”联络同样爱好的朋友,一起网上冲浪,相约线下碰面。 ·不断探索,“关注”新人,收获“粉丝”,建造新的关系网络,重新定义你的社交圈。 自由自在,畅快表达 ·创建“卡牌”——你的交友名片,尽情展示独一无二的自己。 ·“发布”照片,记录每一个生活瞬间,总有人能和你感同身受。 ·可以分享新鲜事,也可以吐槽糟心事,“发布”文字动态洞,畅所欲言。 在第二信号,爱最大,你最大。 【第二信号App VIP会员服务说明】 开通第二信号VIP会员,尊享特权,拥有更优质的社交体验。 1.订阅周期:1个月,3个月,12个月 2.订阅价格:38元/月,88元/季度,298元/年 3.付款:用户确认购买并付款后计入iTunes账户。 4.续订:苹果iTunes账户会在到期前24小时内扣费,扣费成功后订阅周期顺延一个订阅周期。 5.取消续订:如需取消续订,请在当前订阅周期到期前24小时内,手动在iTunes/Apple ID设置管理中关闭自动续订功能。 6.会员权益介绍 「身份标识」 成为VIP会员后,在个人主页、卡牌、动态、私信、关注列表、粉丝列表、收到/发出星星等页面,用户昵称后面会显示VIP独有的身份标识并突出显示。 「加倍卡牌」 突破50次推荐限制,每日额外获得一次刷新卡牌的机会,共可查看100位新朋友。 「星星补充包」 平台每日为VIP会员发放的星星数量从30颗上升至158颗。当日有效,每日0:00刷新。 「隐身模式」 无需上传真人封面,也可给其他用户赠送星星。同时隐藏自身,不推荐给其他用户。 「招呼上限」 给陌生人发的招呼消息限制从最多3句增加至无限。 「查榜特权」 无论是否上榜,都有权查看【信号周榜】所有上榜用户的个人主页。 「谁给我送星」 收到星星列表全部可见,第一时间了解谁给我送了星星,并可进入列表内所有用户的个人详情页面。 「附近的人」 轻松查看距离我最近的51位最近活跃的用户,并可点击进入其个人详情页面。 7.第二信号服务协议:https:// www.socisignals.com/agreement.html 8.第二信号隐私协议:https:// www.socisignals.com/privacy.html 9.第二信号会员协议:https://www.socisignals.com/increment_service.html 10.第二信号连续包月协议: https://www.socisignals.com/continuity_monthly_package_service.html 11.会员专属服务邮箱:vip@dierxinhao.com 【联系我们】 如有任何疑问或建议,请联系我们 「客服邮箱」:help@dierxinhao.com 「客服微信」:dierxinhao02 「官方微博」:第二信号 「公众号」:第二信号

About

Sub

A platform for finding like-minded individuals within subcultures. It emphasizes authentic self-expression and offers robust privacy features to create a secure and pure social circle. Discover diverse interests and connect with real users through verification.

Highlights
  • Subculture matching
  • Privacy settings
  • Anti-screenshot protection
  • Anti-harassment features
  • Pure social circle
  • User verification
  • Knowledge sharing
Features
Read full description

始于Sub,止于Sub。 Sub少数派不只是一个交友平台,更是做最真自己的灵魂归宿地。发现多元、美好、真实的内心世界,找到属于你的生活。 【隐私安全】Sub里有丰富的隐私设置选项。多项隐私保护、防止截屏功能和防骚扰功能,全方位保障您的隐私安全。 【纯粹灵魂】过滤了大部分无关人士,还你一个更纯粹的社交圈。 【专业态度】汇聚大量爱好者,分享海量知识,不断增长见识。 【多元活跃】海量真实用户,真人认证功能,助力精准高效的交友。 *请务必确认,你已年满18岁,并能遵守各项法律规定和认同Sub社区管理规定。 Sub会员自动订阅服务说明: 1、订阅服务:VIP连续包周(1周)、VIP连续包月(1个月)、VIP连续包季(3个月)、VIP连续六个月(6个月) 2、订阅价格:以苹果付费申请信息为准,例如连续包周产品为每周12元起,不同地区单价可能会不同。 -付款: 用户确认购买并付款后计入iTunes账户 -取消续订: 如需取消续订,请在当前订阅到期24小时以前,手动在iTunes/Apple ID设置管理中关闭自动续订功能 -续订: 苹果iTunes账户汇在到期前24小时内扣款,扣款成功后订阅顺延相应周期 Sub用户隐私政策 https://sublifeapp.com/policy.html Sub用户服务协议 https://sublifeapp.com/about.html

Screenshots

第二信号4 screens
Sub4 screens

Verdict

The call

The clearest difference is ratings volume: Sub at 155 against 第二信号's 3. 第二信号's advantage is iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads 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. 第二信号 sells 9 in-app purchases, starting at $5.99 per month and Sub sells 10 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for 第二信号 against 4.6 for Sub. That said, the two scores are not equally well evidenced: Sub has 155 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
第二信号 versus Sub: the parameters behind the verdict, then further details
Parameter第二信号Sub
PriceFreeFree
Rating4.7 (3 ratings) — better4.6 (155 ratings)
Positive reviews—90.7% of reviews
Number of ratings3155 — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS13.0 — better15.0
Further details — not scored
Size119 MB240 MB
Age rating17+17+
DeveloperShanghai Zemengzhixia Technology Co., LtdUni Dating App Ltd.

Customer experience

第二信号

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Sub

All ratings155 ratings
Positive91.0%
Neutral1.3%
Negative7.7%
Written reviews43 reviews
Positive90.7%
Neutral0.0%
Negative9.3%

In-app purchases

9 purchases

第二信号

Subscriptions3
  • Signal Premium月度会员(1个月)$5.991 Month
  • Signal Premium季度会员(3个月)$13.993 Months
  • Signal Premium年度会员(12个月)$45.991 Year
One-time6
  • 60信号币 - 6元$0.99
  • 300信号币 - 30元$4.99
  • 680信号币 - 68元$9.99
Show 3 more
  • 980信号币 - 98元$14.99
  • 1180信号币 - 118元$17.99
  • 1980信号币 - 198元$29.99
10 purchases

Sub

Subscriptions4
  • 少数派字母圈一周会员$1.997 Days
  • 少数派字母圈一个月会员$4.991 Month
  • 少数派字母圈三个月会员$12.993 Months
Show 1 more
  • 少数派字母圈六个月会员$19.996 Months
One-time6
  • Sub字母圈极乐园金币一级$0.99
  • Sub字母圈极乐园金币二级$0.99
  • Sub字母圈极乐园金币三级$6.99
Show 3 more
  • Sub字母圈极乐园金币四级$9.99
  • Sub字母圈极乐园金币五级$17.99
  • Sub字母圈极乐园金币六级$29.99

Questions

Is 第二信号 free?
第二信号 is free to download, with in-app purchases available.
Is Sub free?
Sub is free to download, with in-app purchases available.
Which has better reviews, 第二信号 or Sub?
第二信号 is rated higher. 第二信号 averages 4.7 out of 5 from 3 ratings, while Sub averages 4.6 from 155 ratings.
Do 第二信号 or Sub have ads?
Neither 第二信号 nor Sub shows ads.
Which is updated more often, 第二信号 or Sub?
第二信号 ships an update every 2 weeks, and Sub every 2 weeks. Most recently, 第二信号 was updated on October 21, 2026 and Sub on October 27, 2026.

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