HeyFree vs 知微宇宙 AstroPearl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HeyFree
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HeyFree Translation Assistant Break language barriers with AI-powered real-time voice translation. Supporting Chinese, English, and multiple other languages, HeyFree works seamlessly with your Bluetooth earphones to deliver smooth and natural conversations. Whether you’re traveling, studying abroad, or negotiating in business, HeyFree makes cross-language communication effortless and efficient.
知微宇宙 AstroPearl
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本应用通过增强现实（AR）技术，为用户提供行星运转、星球分布等宇宙天体的三维动态展示服务。用户可通过手机摄像头扫描平面载体（识别卡片），实时呈现高精度的行星轨道模拟、星体参数解读。
Screenshots
Verdict
The clearest difference is update cadence: HeyFree at every 4 days against 知微宇宙 AstroPearl's every 5 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
HeyFree ships an update every 4 days, 知微宇宙 AstroPearl every 5 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.
| Parameter | HeyFree | 知微宇宙 AstroPearl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 37 MB | 614 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Baoli Technology Co.,Ltd | Shenzhen Sanwu Yaofa Technology Limited. |
In-app purchases
HeyFree
No in-app purchases
知微宇宙 AstroPearl
No in-app purchases
