回音 vs SlideUp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
回音
This app offers a safe space for users to anonymously share thoughts and feelings without judgment. It connects individuals through personality matching, fostering genuine connections based on shared interests and soul rather than superficial attributes.
- Anonymous sharing of thoughts
- Personality-based matching
- Stress-free social interaction
- Record life moments privately
- Connect with like-minded individuals
- Receive instant responses to shared thoughts
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在这个世界上,有很多人和我一样,不是引人瞩目的幸运儿。 我们是人群中的小透明, 我们有很多话想讲,但却总也没人来问, 我们害怕社交的压力,宁愿选择自己承受孤独, 我们习惯着伪装合群,总是因为照顾别人情绪而小心翼翼, 渐渐的,我们学会了忍耐,却不曾想根本没人赞颂沉默。 我们也渴望陪伴,渴望被关注,可我们害怕陪伴带来的压力,害怕关注带来的目光。 回音提供纯净的社交空间,你可以完全放飞自我,可以随性倾诉生活的日常。 在这里你总能碰到与你兴趣相投的人,让你体会与人分享的愉悦,却又没有社交压力。 如果你也有无处诉说,却不愿藏匿的心事,就把它放进树洞里吧。你的每一次发声,都会被温柔对待。 功能介绍: 「温暖树洞」 向树洞分享你的想法,即刻便能收到回音,满足你的分享欲。 「纯净社交」 树洞遇见的人,通过性格匹配,没有年龄、外貌、身份的压力,让我们用灵魂遇见彼此。 「记录生活」 无压力记录生活瞬间,表达真实的自我,只有同频的人才能看到。 回音vip连续包月协议: 1.订阅服务:回音vip连续包月(1个月)2.促销活动:每个iTunes账户,首次购买回音vip连续包月,享优惠价格 首月9元,次月开始按25元/月续费,此优惠长期有效。 3.本服务是在您已开通回音会员服务的前提下,为您提供的自动续费服务。如您开通本服务,则视为您授权回音有权在您的回音会员即将到期时,从您的iTunes账户余额中代扣下一个计费周期包月费。该服务实现的前提是您已将回音会员账号与上述账户绑定,且可成功从上述账户中扣款,因上述账户中可扣余额不足导致的续费失败,由您自行承担。 4.订阅价格:连续包月产品为25元/月。 5.付款:用户确认购买并付款后计入iTunes。 6.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。 7.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”,选择回音vip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。 8.服务协议(含连续包月服务规则):https://web.xinyuhole.com/web_page/AppVipAutoRenewAgreementIos.html 9.隐私政策:https://web.xinyuhole.com/web_page/AppYinSiAgreement.html
SlideUp
A private, anonymous social platform exclusively for verified university students to share life, seek advice, and connect with peers globally. Discover campus trends, trade items, and find activity partners in a secure, anonymous community.
- School-exclusive anonymous social platform
- Connect with new friends globally
- Share advice on courses and campus life
- Buy/sell items and find help
- Anonymous matching for dining and activities
- Discover campus conversations
- Safe and anonymous community
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SlideUp是一个专属你学校的匿名社交平台,仅限通过学校专属邮箱认证的用户加入。作为全网首个专门为留学生打造的校园匿名交流平台,在这里你可以和你的同学们随意分享与交流你们的生活。 SlideUp由学生创建,专为学生服务,并不隶属于任何教育机构。在SlideUp,你可以… - 认识同校或者世界各地的新朋友 - 交流课程、校园生活等各种建议与帮助 - 分享暗恋、表情包等有趣内容 - 在校园集市买卖二手、转租房间,或者发需求找同学帮忙接机搬家 - 用Slide Match匿名匹配饭搭子、运动搭子和新朋友 - 在Slide Map上看看各个学校的同学都在聊什么 - 在一个安全、匿名的社区里做最真实的自己 用学校邮箱就能注册,不需要密码。你的帖子和评论都是匿名的,不会显示你的名字和邮箱。 希望你在SlideUp上度过更加充实的留学生活!
Screenshots
Verdict
The clearest difference is in-app purchases: SlideUp at none against 回音's 10. SlideUp also leads on ads (none vs shown) and rating (4.9 vs 4.6). 回音's advantage is iOS requirement (13.0 vs 15.6). On price, ratings volume 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
Both are free to download. 回音 sells 10 in-app purchases, starting at $3.99 per month. SlideUp asks for nothing beyond the download.
SlideUp holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 94 and 260 respectively. Written reviews point the same way: 88% of 回音's written reviews are positive against 100% of SlideUp's.
回音 ships an update every 3 weeks, SlideUp weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | 回音 | SlideUp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (94 ratings) | 4.9 (260 ratings) — better |
| Positive reviews | 87.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 94 | 260 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 360 MB | 123 MB |
| Age rating | 17+ | 17+ |
| Developer | Hangzhou Small Circle Technology Co., Ltd. | SlideUp Social Corporation |
Customer experience
回音
SlideUp
User reviews
回音
From 94 App Store ratingsWhat we love
- 👍 Good for venting and sharing secrets
- 🔒 Strong privacy protection
- 😊 Users find it healing and comforting
- 💬 Plenty of users to chat with
- 👍 Clean and tidy interface
Room to improve
- ⚠️ Frequent advertisements
- ⚠️ App redirects to other apps (e.g., Taobao)
- ⚠️ Some users find the content immature or childish
- ⚠️ Limited features and repetitive gameplay
- ⚠️ Issues with VIP features not working as advertised
SlideUp
From 260 App Store ratingsWhat we love
- 👍 Useful outlet for students
- 👍 Relatable and honest content
- 👍 Engaging and entertaining
- 👍 Sense of community
- 👍 Anonymity allows for openness
Room to improve
- 🐛 Private message display issues
- 🤔 Lack of user diversity (mostly Chinese students)
- 🤔 Potential for abuse or inappropriate content
Bugs and requests
回音
Reported bugs
4 issues- No sound/notification for Apple messages
- App crashes on iPhone 14 Pro
- Avatar setting issues on iPhone 14 Pro
- App redirects to Taobao on cold start
Requested features
5 requests- Increase message/secret receiving count
- Add more interactive social gameplay
- Make interactive content more interesting
- Add more features beyond sending and receiving secrets
- Develop mini-games for multiplayer
SlideUp
Reported bugs
2 issues- Private messages sometimes displayed twice
- Occasional app slowness or crashes
Requested features
4 requests- Expand user base to more international students
- Add translation functionality
- Improve private messaging experience
- Implement better content moderation
In-app purchases
回音
- 连续包月$3.991 Month
- 会员首月试用1 Month trial$3.991 Month
- 尊享版通行证$3.99
- 1个月会员$3.99
- 240萤火(送15萤火)$3.99
Show 5 moreShow fewer
- 545萤火(送50萤火)$9.99
- 1年会员-新用户特惠$17.99
- 1025萤火(送100萤火)$19.99
- 1年会员-限时折扣$19.99
- 4145萤火(送600萤火)$69.99
SlideUp
No in-app purchases








