Comparison

Knowlens vs Chinese VB+

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

Head to head

Chinese Vocabulary Builder

Free

📚 Education

No ratingsView app →

About

Knowlens

Features

Read full description

Knowlens Learning app helps organization drive productivity and offers career progression to individual through interactive video based courses

About

Chinese VB+

Features

Read full description

Support your Chinese study with ChineseVB, an app providing topic based study with almost no translation. It is an assistant to your regular Chinese classes by letting you review words by topic and use flashcards and quizzes to fill out your vocabulary. Every time you score correctly on a word, you increase its knowledge level. You can also deepen your understanding of Chinese grammar on the build screen, read lessons on important grammar points and practice building sentences.

Screenshots

Knowlens3 screens

Chinese VB+4 screens

Verdict

The call

The clearest difference is in-app purchases: Knowlens at none against Chinese VB+'s 1. Knowlens also leads on update cadence (every 3 weeks vs every 2 months). 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. Chinese VB+ sells 1 one-off in-app purchase. Knowlens asks for nothing beyond the download.

UpkeepUpdate frequency

Knowlens ships an update every 3 weeks, Chinese VB+ every 2 months. The most recent releases landed on September 12, 2026 and May 18, 2026 respectively.

Scorecard2 real differences · 4 level

Knowlens versus Chinese VB+: the parameters behind the verdict, then further details
Parameter	Knowlens	Chinese VB+
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 2 months
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0 — better	15.1
Further details — not scored
Size	41 MB	168 MB
Age rating	4+	4+
Developer	Knowlens Solutions Pvt Ltd	David Oosthuizen

In-app purchases

None

Knowlens

No in-app purchases

1 purchases

Chinese VB+

One-time1

all topics package$5.99

Questions

Is Knowlens free?

Knowlens is free to download, with no in-app purchases.

Is Chinese VB+ free?

Chinese VB+ is free to download, with in-app purchases available.

Do Knowlens or Chinese VB+ have ads?

Neither Knowlens nor Chinese VB+ shows ads.

Which is updated more often, Knowlens or Chinese VB+?

Knowlens ships an update every 3 weeks, and Chinese VB+ every 2 months. Most recently, Knowlens was updated on September 12, 2026 and Chinese VB+ on May 18, 2026.