Comparison

SPACE vs 白丁友记

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

Head to head
About

SPACE

This app offers a private space for users to share thoughts, feelings, and interests without judgment. It emphasizes privacy and equality by removing metrics like likes and follower counts. It's a paid community designed for intimate self-expression and connection.

Highlights
  • Private journaling and sharing
  • No likes or follower counts
  • Ad-free experience
  • Paid community for privacy
  • Connect with like-minded users
  • Discover personal 'universes'
Features
Read full description

如果说朋友圈是和朋友互动的地方,短视频平台是记录现实美好生活,那SPACE就是一个记录心事的秘密基地。 你可以不用顾及他人自言自语,分享你的脆弱,不成熟的思考,别人不在意的兴趣,别人没察觉的开心。 宇宙里没有搜索功能,可以放心不被发现;看不到点赞数关注数,每个人的表达都应该是私密又平等的。我们也正式成为付费入驻的社区,付费让社区保持小众,私密与无广告,也能过滤掉目的不良、骚扰等现象。 希望这里能成为你最可靠的秘密基地,也能在旅程中找到属于自己的小宇宙。 【获奖与推荐】 2019-08-16获得《小米-金米奖》 2019-11-11获得《豌豆荚设计奖》 2019-11-21获得《2019年度十佳金米奖》 2019-12-13获得《魅族应用商店-年度精选应用》 2019-12-20获得《vivo-极光奖》 2020-02-28获得《OPPO-至美奖》 2020-03-17入选《华为-开发者栏说目第一期》 曾被Appso、极客公园等知名科技媒体报道推荐 【用户评价】 “迄今为止SPACE对我来说是一个介于音乐和社交之间,但又不止于此的存在。音乐是我生活里最重要的一个部分,而社交是我现实生活里最难的一部分,所以能把这两者加到一起,对我来说真的是个绝妙的搭配。” “pyq大多发不出去你说是吧,我在这真的变开朗,自信有提升,能感觉到的好事情,陌生人总会有惊喜,直接传输自己的审美是件非常爽的事情。“ “一个参与感很强,设计感很棒的宇宙空间。我在SPAC里可以选择过自己的生活,偶尔有网上邻居来串门,偶尔去宇航员家里坐坐。在别的宇航员的宇宙空间站里是很奇妙的体验,像是变成一只缩小的潜水艇在别人的身体里遨游。” 【反馈联系】 太空探索正在进行中,我们乐于倾听宇航宇对于 SPACE的想法和反馈。你可以通过下方的的联系方式找到地面控制台。 邮箱:talktospaceteam@gmail.com 【会员订阅须知】 如果选择订阅会员,费用将从你的 iTunes 账户支付。在当前缴费期结束前 24 小时,系统会自动从你的账户扣费续期。购买之后,你可随时前往 iTunes 商店的设置界面,关闭自动续费功能。不同地区单价可能会不同。单价如有变化,恕不另行通知。订购成功的当期不允许取消当前订单。 协议条款: https://spacefm.bopulab.cn/web/vip.html 隐私政策: http://spacefm.bopulab.cn/web/privacy.html

About

白丁友记

This app offers a unique space for private sharing and connection through letters, voice messages, and shared diaries. It simulates real-world correspondence with customizable stamps and stationery, fostering deep connections with pen pals, voice friends, and diary companions.

Highlights
  • Private letter writing with simulated postage
  • Shared diary entries for close friends
  • Voice message and audio recording
  • Customizable stamps, stationery, and envelopes
  • Late-night radio for shared stories
  • Connect with pen pals and voice friends
Features
Read full description

如果有些话,在现实生活中是难言的,没有倾诉对象,又不想公开讨论,试试我们的树洞吧,往这里的投递,你一定能收到回应。 当然,你也可以在这里用图文或是声音记录生活,不论是结交笔友、音友、秘友、书友,还是成为电台的声音讲述人,一定有你的栖身之处。 对于线上的笔友,我们模拟现实通信,根据不同使用需要设置了邮票的寄送时长,而且提供不同风格的邮票、信纸和信封,并且每月都有相应更新,如果你有收集的习惯,不妨从这里开始。 秘友,是交换日记的朋友,对方的生活仿佛就在眼前,触手可及。每晚的北京时间零点更新显示彼此日记,在打开之前,你会永远期待,因为不知道ta今天写的会是怎样的生活。就像追剧一样沉迷其中,但永远是未知剧情。在这里最可靠的关系,大概就是对ta说出——交个秘友。 深夜电台,每晚八点开放至凌晨五点,夜色深沉但我们并非孤独无依,因为这里讲述的是身边的你我故事,来听,来念,或者——来让我们陪伴你。 来白丁友记,开创属于你的网络多维空间吧~

Screenshots

SPACE4 screens
白丁友记4 screens

Verdict

The call

SPACE and 白丁友记 both sit at 3.9 stars, but that hides the real split: 100% of 白丁友记's written reviews are positive against 51% of SPACE's. SPACE's advantage is ratings volume (45 vs 1). 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. SPACE sells 4 in-app purchases, starting at $3.99 per 3 months and 白丁友记 sells 11 one-off in-app purchases. 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 — 3.9 for SPACE against 4.0 for 白丁友记. That said, the two scores are not equally well evidenced: SPACE has 45 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 51% of SPACE's written reviews are positive against 100% of 白丁友记's.

UpkeepUpdate frequency

SPACE ships an update every 3 weeks, 白丁友记 fortnightly. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
SPACE versus 白丁友记: the parameters behind the verdict, then further details
ParameterSPACE白丁友记
PriceFreeFree
Rating3.9 (45 ratings)4.0 (1 ratings) — better
Positive reviews51.4% of reviews100.0% of reviews — better
Number of ratings45 — better1
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size40 MB85 MB
Age rating17+17+
DeveloperShenzhen Poplab Technology Co. Ltd.士诚 赵

Customer experience

SPACE

All ratings45 ratings
Positive68.9%
Neutral2.2%
Negative28.9%
Written reviews37 reviews
Positive51.4%
Neutral16.2%
Negative32.4%

白丁友记

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

SPACE

Subscriptions2
  • 季度订阅会员$3.993 Months
  • 年度订阅会员$7.991 Year
One-time2
  • 季度会员$3.99
  • 年费会员$7.99
11 purchases

白丁友记

One-time11
  • 4金币$0.99
  • 2金币$0.99
  • 邮票包$0.99
Show 8 more
  • 季会员$1.99
  • 8金币$1.99
  • 12金币$2.99
  • 年会员$3.99
  • 20金币$4.99
  • 永久vip$4.99
  • 终身会员$5.99
  • 28金币$5.99

Questions

Is SPACE free?
SPACE is free to download, with in-app purchases available.
Is 白丁友记 free?
白丁友记 is free to download, with in-app purchases available.
Which has better reviews, SPACE or 白丁友记?
白丁友记 is rated higher. SPACE averages 3.9 out of 5 from 45 ratings, while 白丁友记 averages 4.0 from 1 ratings.
Do SPACE or 白丁友记 have ads?
Neither SPACE nor 白丁友记 shows ads.
Which is updated more often, SPACE or 白丁友记?
SPACE ships an update every 3 weeks, and 白丁友记 fortnightly. Most recently, SPACE was updated on October 19, 2026 and 白丁友记 on October 13, 2026.

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