学信网 vs PolyEcho
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
学信网
Verify academic records, degrees, and certifications online easily with our app. Instantly access school enrollment, degree status, and validation reports.
Read full descriptionHide full description
学籍/学历/学位查询、毕业证书查询、学历/学位认证、学籍/学历/学位在线验证报告
PolyEcho
Read full descriptionHide full description
学外语不想再从香蕉苹果天气问路开始？ 让我们直接从自己感兴趣的话题开始，让ai把任何外语的内容都降低到能理解的程度，直接把自己丢入另一语言的世界里吧！ 【核心功能】 1. 单词学习，采用延伸出各种文化含义的词典，单词组成的最小语境故事，让单词成为另一语言世界鲜活的向导，不再是无意义的符号 2. AI对话功能,将各种有趣但外语学习者难以全然理解的内容转换成易于理解的对话，回到人类的对话本能，辅以AI的润色讲解与翻译，让人们得以在新技术的帮助下，直接补足自己的语言水平开始进行有意义的对话，进行更有意义、成就感的学习。 【使用条款】：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 学信网 at none against PolyEcho's 4. 学信网 also leads on chart position (#182 vs unranked). PolyEcho's advantage is update cadence (every 5 days vs every 4 weeks). 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. PolyEcho sells 4 in-app purchases, starting at $12.99 per month. 学信网 asks for nothing beyond the download.
学信网 ships an update every 4 weeks, PolyEcho every 5 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.
| Parameter | 学信网 | PolyEcho |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (1.5K ratings) — better | — |
| Positive reviews | 5.7% of reviews | — |
| Number of ratings | 1.5K — better | — |
| Update frequency | Every 4 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Best chart rank | #182 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 68 MB | 207 MB |
| Age rating | 4+ | 4+ |
| Developer | 中国高等教育学生信息网(学信网) | 楷博 尚 |
In-app purchases
学信网
No in-app purchases
PolyEcho
- Monthly Subscription$12.991 Month
- Semi-Annual Subscription$59.996 Months
- Annual Subscription$99.991 Year
- 5-Time Conversation Credit$2.99
