Comparison

Zumatt vs Grilla

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

Head to head

About

Zumatt

Features

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Zumatt-T là ứng dụng di động dành cho giáo viên và các nhân viên trong nhà trường. Giúp cho việc tương tác giữa gia đình và nhà trường trở nên dễ dàng hơn, bao quát hơn.

About

Grilla

Features

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Học tiếng Anh theo Quy luật là học từ nguyên lý, hiểu tận gốc rễ giúp giải thích được tại sao tự vựng đọc như vậy cũng như giải thích quy luật ngữ pháp dễ dành giúp bạn giảm 2/3 thời gian học tập.

Screenshots

Zumatt4 screens

Grilla4 screens

Verdict

The call

The clearest difference is in-app purchases: Zumatt at none against Grilla's 1. Zumatt also leads on iOS requirement (12.0 vs 15.6). Grilla's advantage is update cadence (every 2 weeks vs every 17 months). On price, ads 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. Grilla sells 1 one-off in-app purchase. Zumatt asks for nothing beyond the download.

UpkeepUpdate frequency

Zumatt ships an update every 17 months, Grilla every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 3 level

Zumatt versus Grilla: the parameters behind the verdict, then further details
Parameter	Zumatt	Grilla
Price	Free	Free
Update frequency	Every 17 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	15.6
Further details — not scored
Size	54 MB	83 MB
Age rating	17+	17+
Developer	ONLINE MANAGEMENT TRAINING JOINT STOCK COMPANY	Tho Trong Nguyen

In-app purchases

None

Zumatt

No in-app purchases

1 purchases

Grilla

One-time1

Khoá học 129.000đ$3.99

Questions

Is Zumatt free?

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

Is Grilla free?

Grilla is free to download, with in-app purchases available.

Do Zumatt or Grilla have ads?

Neither Zumatt nor Grilla shows ads.

Which is updated more often, Zumatt or Grilla?

Zumatt ships an update every 17 months, and Grilla every 2 weeks. Most recently, Zumatt was updated on November 3, 2026 and Grilla on November 4, 2026.