Question and Answer vs FreeBuf知识大陆
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Question and Answer
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Jigano is an app where anyone can ask any question and get instant answers by other app users. Register now and connect with our community. We strongly believe you will like our app.
FreeBuf知识大陆
A private content platform for cybersecurity knowledge sharing and inspiration capture. It connects experts in various network security fields for in-depth discussions and sharing of achievements within dedicated spaces.
- Knowledge sharing platform
- Inspiration capture
- Private content spaces
- Expert community
- Cybersecurity focus
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一款安全百科知识共享与捕捉灵感记录的私域内容平台。聚集网安各细分领域的知识帮主，以独立空间进行深度交流与成果共享。
Screenshots
Verdict
The clearest difference is in-app purchases: Question and Answer at none against FreeBuf知识大陆's 12. Question and Answer also leads on iOS requirement (13.0 vs 15.0). FreeBuf知识大陆's advantage is ads (none vs shown). On price, update cadence 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. FreeBuf知识大陆 sells 12 one-off in-app purchases. Question and Answer asks for nothing beyond the download.
Question and Answer ships an update every 2 weeks, FreeBuf知识大陆 every 8 days. The most recent releases landed on March 3, 2026 and September 23, 2026 respectively.
| Parameter | Question and Answer | FreeBuf知识大陆 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 126 MB |
| Age rating | 17+ | 4+ |
| Developer | Md Mahmudul Hasan | 上海斗象信息科技有限公司 |
In-app purchases
Question and Answer
No in-app purchases
FreeBuf知识大陆
- 1帮会币$0.99
- 6帮会币$0.99
- 7帮会币$0.99
Show 9 moreShow fewer
- 14帮会币$2.99
- 28帮会币$3.99
- 35帮会币$6.99
- 56帮会币$11.99
- 70帮会币$14.99
- 198帮会币$29.99
- 140帮会币$29.99
- 298帮会币$46.99
- 398帮会币$59.99
