后湾 vs Syna
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
后湾
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关于喜欢,你有自己的答案。 关于陪伴,也有自己向往的模样。 后湾,想从这些答案开始,慢慢认识你。 一个问题,一段往事, 一句「其实,我更在意的是……」 那些难以用标签概括的部分, 在对话里,一点点清晰。 我们将这份理解融入匹配, 让相遇更贴近你的内心。 也许,你会在他的某个回答里, 认出一种熟悉的心情。 从有话可聊,到有些话只想与你聊。 从分享今天,到期待彼此的明天。 在后湾, 自在地做自己,也自在地喜欢。 隐私协议:https://backbay.rawstar.cn/privacy/zh/privacy.html 使用协议、自动续费协议:https://backbay.rawstar.cn/privacy/zh/agreement.html
Syna
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This app was created to bring social sharing back to something simple, expressive, and useful: a place where your thoughts are easy to publish, and meaningful information is easy to find. Whether you’re documenting life, exploring ideas, or exchanging knowledge Here, you can express yourself naturally: • Long-form posts that feel like writing a blog • Voice sharing for thoughts that are better spoken • Video & images to capture moments visually • File sharing for resources, notes, and real information This app is designed for open, comfortable communication: • Talk and exchange ideas without complicated rules • Engage with people who care about similar topics • Let conversations grow naturally, without pressure No performance. No noise. Just real interaction. Find What Actually Matters to You we focus on discoverability with purpose. • Easily find posts, ideas, and resources that are actually useful • Navigate content based on what you care about, not what’s loudest • Turn shared content into something you can return to and use Information shouldn’t be buried—it should be accessible. This app is continuously evolving. Many features are shaped directly by user feedback. If you enjoy: • Exploring new products early • Thoughtful social spaces • Being part of something growing from the ground up You’ll feel at home here.
Screenshots
Verdict
The clearest difference is in-app purchases: Syna at none against 后湾's 3. 后湾's advantage is update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement 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. 后湾 sells 3 in-app purchases, starting at $2.99 per 7 days. Syna asks for nothing beyond the download.
后湾 ships an update every 2 days, Syna weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | 后湾 | Syna |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 110 MB | 82 MB |
| Age rating | 17+ | 17+ |
| Developer | Jiangyu Technologies | Synapse Information |
In-app purchases
后湾
- 1周$2.997 Days
- 1个月$7.991 Month
- 3个月$19.993 Months
Syna
No in-app purchases








