Comparison

云海螺在线1对1 vs Polly小班‑英文素养拓展

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

Head to head

云海螺在线1对1

Free

📚 Education

★ 2.01 ratingsView app →

About

云海螺在线1对1

This app offers a solid, useful, and top-tier online education product designed for the future. It focuses on providing high-quality learning experiences.

Highlights

Future-oriented education
Solid learning content
Useful educational tools
First-class learning experience
Hardcore educational products

Features

Read full description

云海螺，做面向未来，扎实、有用、一流、硬核的在线教育产品。

About

Polly小班‑英文素养拓展

Features

Read full description

全球领先的英文素养提升平台。致力于为全球英语学习者提供更专业、更系统的英文素养提升服务，一站式解决英文素养提升难题。产品特色【科学进阶】框架完备，语料丰富，跨主题培养思辨能力，零基础也能稳步提升。【多维成长】完整成长报告，精准定位薄弱项，清晰规划下一阶段成长目标。【内容多元】囊括经典绘本、儿歌内容，看绘本、听儿歌，全面提升语感与表达能力。立即下载 Polly 小班，系统提升英文素养！

Screenshots

云海螺在线1对14 screens

Polly小班‑英文素养拓展4 screens

Verdict

The call

The clearest difference is in-app purchases: 云海螺在线1对1 at none against Polly小班‑英文素养拓展's 1. 云海螺在线1对1 also leads on update cadence (every 4 days vs every 3 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Polly小班‑英文素养拓展 sells 1 one-off in-app purchase. 云海螺在线1对1 asks for nothing beyond the download.

UpkeepUpdate frequency

云海螺在线1对1 ships an update every 4 days, Polly小班‑英文素养拓展 every 3 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 7 level

云海螺在线1对1 versus Polly小班‑英文素养拓展: the parameters behind the verdict, then further details
Parameter	云海螺在线1对1	Polly小班‑英文素养拓展
Price	Free	Free
Rating	2.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 4 days — better	Every 3 weeks
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0	13.0
Further details — not scored
Size	160 MB	127 MB
Age rating	4+	4+
Developer	南京云起信息科技有限公司	LITTLE MOON PTE. LTD.

In-app purchases

None

云海螺在线1对1

No in-app purchases

1 purchases

Polly小班‑英文素养拓展

One-time1

波利优学单次课$14.99

Questions

Is 云海螺在线1对1 free?

云海螺在线1对1 is free to download, with no in-app purchases.

Is Polly小班‑英文素养拓展 free?

Polly小班‑英文素养拓展 is free to download, with in-app purchases available.

Do 云海螺在线1对1 or Polly小班‑英文素养拓展 have ads?

Neither 云海螺在线1对1 nor Polly小班‑英文素养拓展 shows ads.

Which is updated more often, 云海螺在线1对1 or Polly小班‑英文素养拓展?

云海螺在线1对1 ships an update every 4 days, and Polly小班‑英文素养拓展 every 3 weeks. Most recently, 云海螺在线1对1 was updated on September 16, 2026 and Polly小班‑英文素养拓展 on September 9, 2026.