Comparison

纸背单词 vs OlympusX

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

Head to head
About

纸背单词

Features
Read full description

“PaperWords” is designed for middle school to graduate students, featuring a self-developed learning mode to rapidly boost your vocabulary. With a “familiarity leads to progress” approach, it breaks memory barriers for effortless English mastery. Core Features: * One Word, One Meaning: Focus on core meanings for fast memorization. * Rapid Attack Mode: High-frequency repetition for efficient vocabulary growth. * English-to-English: Switch between Chinese/English interfaces for immersive learning. * Custom Vocabulary: Import plain text, PDF, or TXT for tailored content. * Leisure Mode: Self-developed “Monster-Fighting Vocabulary” for fun learning. * AI Grammar Articles: Generate personalized grammar articles to tackle challenges. * Custom Pronunciation: Create m4a audio for words, meeting unique needs. Offline Learning: * PDF Export: Watermark-free, words on odd pages, meanings on even, for printing. * Progress Sync: Track offline learning progress in the app. Incentive System: * Themed Cards: Xianxia, Martial Arts, Magic, and English themes add fun. * Experience Levels: Earn points to “level up” and stay motivated. Design Philosophy: * Minimalist UI: Focused learning with minimal distractions. * Bilingual Support: Seamless Chinese/English switching for all levels. Subscription & Payment: * Monthly: 6 CNY/month * Annual: 28 CNY/year * Lifetime: 58 CNY * Paper Balls: 6 CNY for 60, unlocks extra AI grammar articles. Payments via iTunes with auto-renewal, manageable in iTunes settings. Privacy & Security: * No registration, ads, or tracking. * Local data storage with secure iCloud sync. Links: * Terms of Use: https://jianyiflow.cn/zhibei-terms-of-use.html * Privacy Policy: https://jianyiflow.cn/zhibei-privacy-policy.html Download PaperWords now, experience the self-developed learning mode, and boost your vocabulary fast!

About

OlympusX

Features
Read full description

OlympusX 是一款以“数字路书”为核心的行动价值平台。 它记录你在现实世界的每一步探索,将足迹沉淀为可成长的价值印记,让行动成为资产。 构建一个连接现实与数字世界的行动生态,让每一步都留下坐标,让每一次前行都创造价值。

Screenshots

纸背单词4 screens
OlympusX3 screens

Verdict

The call

The clearest difference is update cadence: 纸背单词 at every 8 days against OlympusX's every 4 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 纸背单词 sells 4 in-app purchases, starting at $0.99 per month and OlympusX sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

纸背单词 ships an update every 8 days, OlympusX every 4 weeks. Both last shipped on October 30, 2026.

Scorecard1 real difference · 8 level
纸背单词 versus OlympusX: the parameters behind the verdict, then further details
Parameter纸背单词OlympusX
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size320 MB206 MB
Age rating4+17+
Developer家毅 狄Guangdong Wuwo Digital Technology Co., Ltd.

In-app purchases

4 purchases

纸背单词

Subscriptions2
  • 月度订阅$0.991 Month
  • 年度订阅$3.991 Year
One-time2
  • Paperball*60$0.99
  • 纸背单词终身会员$7.99
6 purchases

OlympusX

One-time6
  • OS币$0.99
  • OS币$4.99
  • OS币$9.99
Show 3 more
  • OS币$19.99
  • OS币$39.99
  • OS币$89.99

Questions

Is 纸背单词 free?
纸背单词 is free to download, with in-app purchases available.
Is OlympusX free?
OlympusX is free to download, with in-app purchases available.
Do 纸背单词 or OlympusX have ads?
Neither 纸背单词 nor OlympusX shows ads.
Which is updated more often, 纸背单词 or OlympusX?
纸背单词 ships an update every 8 days, and OlympusX every 4 weeks. Most recently, 纸背单词 was updated on October 30, 2026 and OlympusX on October 30, 2026.

Other comparisons