Comparison

Summer 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

Summer

This app connects university students through a secure, verified platform. Discover campus news, engage in unique question-based matchmaking to find like-minded friends, and explore a vibrant community. Offers premium features for enhanced interaction and personalization.

Highlights
  • University-exclusive social platform
  • Strict real-name verification
  • Campus news and events feed
  • Question-based matchmaking
  • Discover and connect with students
  • Premium features for enhanced experience
Features
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Summer-大学生专属校园社交App,由北大和清华学生团队联合打造,数百万大学生都在用。更安全及时的校园信息平台,更清新有趣的校园交友社区。 「大学专属,严格审核」Summer为全国大学生提供了安全的校园信息平台,身份审核严格,确保大学生用户的真实性,为用户创建一个更加纯粹的校园社交环境。 「发现校园新鲜事」Summer提供大学生专属的校园信息平台,在这里,你可以看到本校的新鲜事和热议事。还可以查看其他学校正在发生的趣事新闻,了解大学生们的校园日常,记录与分享同学们的校园生活。 「答题交友,认识有趣新同学」在summer的世界里,每个人都有一套属于自己的试题,如果想认识同学,要答题并且通过对方的打分考核,才可以自由对话。通过答题审阅,找到志趣相投的新朋友。 「更多有趣新功能」Summer不断努力研发新的校园功能,力求为校园生活提供更优质的服务,更多有趣新功能等你发现。 【夏星人服务说明】 购买夏星人,获得更多超能力: 1. 夏星人身份标识:酷炫的专属身份标识 2. 任意更改定位:一键漫游全国高校的大学生 3. 查看访客记录:不错过那些萍水相逢的缘分 4. 无限实时匹配次数:突破每天5次的限制,放肆匹配超级嗨 5. 聊天记录漫游:云端漫游,聊天记录不再丢失 6. 禁止匿名评论:不用再担心被其他人匿名攻击 7. 高级自定义筛选:更多维度的精准筛选,提高匹配效率 8. 个性化装扮:自定义设置聊天背景 【夏星人自动订阅服务说明】 1、订阅服务:夏星人连续包月(1个月)、夏星人连续包季(3个月)、夏星人连续包年(12个月) 2、订阅价格:连续包月产品为30元/月、连续包季产品价格为80元/月、夏星人连续包年价格为298元/年 3、付款:用户确认购买并付款后计入iTunes账户 4、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、如需取消订阅,请打开苹果手机“设置”-->进入“iTunes Store与App Store”-->点击“Apple ID”,选择“查看Apple ID”,进入“账户设置”页面,点击“订阅”,选择Summer取消订阅。如未在订阅期结束的至少24小时前关闭订阅,此订阅将会自动续订 6、服务协议(包含连续包月服务规则):https://imsummer.cn/summer_Beginners/html/summerVip.html 7、隐私协议:https://imsummer.cn/secretProtect/index.html 8、常见问题:https://imsummer.cn/aboutVip/index.html 如果遇到注册不成功或者其他体验问题,可以联系小夏。 邮箱:guohuimin@imsummer.cn QQ:3369468698

About

白丁友记

This app offers a slow-paced communication experience, allowing users to send physical letters, connect with pen pals, and share thoughts anonymously. It features a "walking letter" system, same-frequency matching, and a digital diary exchange.

Highlights
  • Send physical letters with virtual stamps
  • Connect with real pen pals
  • Anonymous "tree hole" for sharing thoughts
  • Same-frequency matching to find like-minded users
  • Drift bottle feature for sending/receiving messages
  • Exchange diaries with a secret friend
  • Virtual pet companions for emotional support
Features
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【白丁 · 给这个快时代的一封慢信】 在这个什么都要"秒回"的世界,白丁想给愿意慢下来的人留一个角落。 ◆ 写一封会走路的信 挑选一张邮票,把心意装进信封。它在路上要走上一小段时间, 收信人拆开的那一刻,能闻到纸短情长。写信紧张?信使会把你的心意排好队。 ◆ 真人笔友,慢慢熟悉 不刷脸、不攀粉丝数,从一封信开始,认识一个愿意认真回信的人。 聊得来的人,可以一直写下去。 ◆ 匿名树洞 有些话,说给陌生人听刚刚好。写下来,会收到温柔的回声。 ◆ 同频匹配 写下一句真心话,在几千封信签里,遇见和你同频的人。 ◆ 漂流瓶 把心事装进瓶子抛进海里,也捡一捡别人的。漂了七天的瓶子,等你打开。 ◆ 交换日记 和一位秘友交换三十天日记,互相成为对方的阅读者。 ◆ 白丁伙伴 选一只伙伴:粘人的兔子、高冷的猫、元气的狗、撒娇的狐狸。 陪它,听它说心事,它也会替你保管今天的情绪。 ◆ 安静的小工具 写信、日记、清单、番茄钟,都在一个不打扰的角落。 —— 愿你我都能收到一封走了很久、却刚刚好在的信。

Screenshots

Summer4 screens
白丁友记4 screens

Verdict

The call

The clearest difference is review sentiment: 白丁友记 at 100% against Summer's 48%. 白丁友记 also leads on rating (4.0 vs 2.2) and ads (none vs shown). Summer's advantage is ratings volume (62 vs 1) and iOS requirement (9.0 vs 15.0). 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. Summer sells 9 in-app purchases, starting at $7.49 per month and 白丁友记 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

白丁友记 holds the better App Store score, 4.0 against 2.2. That said, the two scores are not equally well evidenced: Summer has 62 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 48% of Summer's written reviews are positive against 100% of 白丁友记's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Summer versus 白丁友记: the parameters behind the verdict, then further details
ParameterSummer白丁友记
PriceFreeFree
Rating2.2 (62 ratings)4.0 (1 ratings) — better
Positive reviews48.0% of reviews100.0% of reviews — better
Number of ratings62 — better1
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size185 MB54 MB
Age rating17+17+
DeveloperBeijing Summer Love Technology Co., Ltd士诚 赵

Customer experience

Summer

All ratings62 ratings
Positive25.8%
Neutral12.9%
Negative61.3%
Written reviews50 reviews
Positive48.0%
Neutral12.0%
Negative40.0%

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

9 purchases

Summer

Subscriptions3
  • 夏星人-1个月$7.491 Month
  • 夏星人-3个月$14.993 Months
  • 夏星人-12个月$40.991 Year
One-time6
  • 夏豆-30$0.99
  • 夏豆-90$2.99
  • 夏豆-200$5.99
Show 3 more
  • 夏豆-400$9.99
  • 夏豆-720$19.99
  • 夏豆-2050$54.99
3 purchases

白丁友记

One-time3
  • 邮票包$0.99
  • 季会员$1.99
  • 年会员$3.99

Questions

Is Summer free?
Summer 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, Summer or 白丁友记?
白丁友记 is rated higher. Summer averages 2.2 out of 5 from 62 ratings, while 白丁友记 averages 4.0 from 1 ratings.
Do Summer or 白丁友记 have ads?
Summer shows ads; 白丁友记 does not.
Which is updated more often, Summer or 白丁友记?
Summer ships an update fortnightly, and 白丁友记 fortnightly. Most recently, Summer was updated on November 2, 2026 and 白丁友记 on November 3, 2026.

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