Comparison

Popi ! vs 53Hz

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

Head to head
About

Popi !

Features
Read full description

Popi is the perfect app for staying connected with your friends and family in a simple, authentic, and secure way. KEY FEATURES: • SEND POPS OF AFFECTION Send "pops"—little messages of affection—to your friends to show them you're thinking of them. A 12-hour delay between each pop preserves the magic of these precious moments. • FIND YOUR FRIENDS EASILY Search for your friends by name or username, or import your contacts to find them instantly. The built-in directory helps you connect with all your loved ones. • INSTANT NOTIFICATIONS Receive real-time notifications when your friends send you pops. Never miss a moment of affection! • INTUITIVE INTERFACE Modern and sleek design for a smooth and enjoyable user experience. Simple and intuitive navigation. • ADVANCED SECURITY & MODERATION Comprehensive reporting system for inappropriate content and users. Block abusive users, report violations, and enjoy a safe environment. Our moderation team reviews all reports within 24 hours. • MULTI-LANGUAGE SUPPORT Available in English, French, and Chinese. The app automatically detects your system language for the best experience. WHY CHOOSE POPI? Popi stands out from traditional social networks thanks to its simplicity, authenticity, and commitment to user safety. No likes, no comments, just sincere messages of affection that bring hearts closer together. The app is designed to preserve the quality of relationships by limiting the frequency of interactions, thereby encouraging more meaningful and authentic messages. Our zero-tolerance policy for abuse ensures a respectful community. Download Popi now and start connecting with your loved ones in a more human, authentic, and secure way! Terms of Use: http://popi.cyrillevarin.com/terms.html Privacy Policy: http://popi.cyrillevarin.com/privacy.html

About

53Hz

Express your current thoughts and connect with others through algorithmically matched anonymous content. Unlock identities and start conversations only after mutual interest is shown, prioritizing genuine expression over popularity metrics.

Highlights
  • Publish dynamic thoughts
  • Content-based matching
  • Receive 6 matched recommendations
  • Anonymous browsing
  • Unlock identity upon mutual interest
  • Private chat space
Features
Read full description

53Hz 是一个基于“同频匹配”的表达与连接平台。 在这里,你只需要写下此刻的动态。 系统会通过算法,为你匹配 6 条与你内容高度相关的动态。 你看到的是匿名内容。 只有在你主动点亮之后,彼此才会解锁身份,并可以开启对话。 我们希望让连接回到内容本身,而不是关注数或点赞数。 —— 【核心功能】 • 发布动态,表达此刻想法 • 基于内容的同频匹配机制 • 每次获得 6 条同频推荐 • 匿名浏览,点亮后解锁身份 • 私密对话空间 —— 【拉一拉】 当首页没有同频内容时,可以通过“拉一拉”获取新的匹配。 系统会根据你的过往表达与互动记录,为你生成新的推荐。 —— 【Pro 会员(可选)】 • 查看你的同频档案 • 解锁更多表达方式(图片、语音等) • 更深入了解你的互动特征 53Hz 不追求热闹。 它更关注真实表达与自然共鸣。 写下此刻。 遇见同频。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Popi !3 screens
53Hz4 screens

Verdict

The call

The clearest difference is in-app purchases: Popi ! at none against 53Hz's 4. Popi ! also leads on iOS requirement (15.0 vs 17.0). 53Hz's advantage is update cadence (every 2 days vs every 3 months). On price, ads 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. 53Hz sells 4 in-app purchases, starting at $1.99 per month. Popi ! asks for nothing beyond the download.

UpkeepUpdate frequency

Popi ! ships an update every 3 months, 53Hz every 2 days. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
Popi ! versus 53Hz: the parameters behind the verdict, then further details
ParameterPopi !53Hz
PriceFreeFree
Rating—4.3 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size70 MB198 MB
Age rating4+17+
DeveloperCyrille VarinHaoqiang Chai

In-app purchases

None

Popi !

No in-app purchases

4 purchases

53Hz

Subscriptions1
  • PRO 包月续费1 Month trial$1.991 Month
One-time3
  • 加油包$0.99
  • PRO 月费$2.99
  • PRO 年包$6.99

Questions

Is Popi ! free?
Popi ! is free to download, with no in-app purchases.
Is 53Hz free?
53Hz is free to download, with in-app purchases available.
Do Popi ! or 53Hz have ads?
Neither Popi ! nor 53Hz shows ads.
Which is updated more often, Popi ! or 53Hz?
Popi ! ships an update every 3 months, and 53Hz every 2 days. Most recently, Popi ! was updated on October 8, 2026 and 53Hz on October 20, 2026.

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