Comparison

MERS.HK vs Maths Vocabulary

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

Head to head
About

MERS.HK

This app provides students and teachers with an optimized experience for accessing and interacting with e-learning resources. Users can annotate screenshots, seamlessly connect with other educational tools, and enjoy a locked rotation for comfortable viewing.

Highlights
  • Optimized viewing and access to e-learning resources
  • Screenshot annotation and sharing
  • Seamless integration with other MERS apps
  • Automatic rotation lock for comfortable use
  • Designed for MERS e-Learning in Schools partners
Read full description

MERS.HK MERS.HK is aiming to give students and teachers the best possible user experience designed for optimal use of the e-learning resources developed by Modern Educational Research Society, Ltd (MERS). Features: ‧ Provides students and teachers with the best viewing and accessing results when they use MERS resources. ‧ Allows users to take a screenshot on which they can make notes, draw or write remarks. Screenshots can be uploaded to Camera Roll or Share to other Apps. ‧ e-Learning activities are seamlessly connected to other apps developed by MERS for effective learning. ‧ Rotation is automatically locked, in line with the content and interface design of the materials for best viewing. * Only available for e-Learning in Schools partners of MERS.

About

Maths Vocabulary

Features
Read full description

利用遊戲形式,讓學生掌握數學相關的英文詞彙, 以協助老師於課堂中進行建構數學概念的活動,同時也可讓學生在家中作自學之用。

Verdict

The call

MERS.HK and Maths Vocabulary are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MERS.HK ships an update every 5 months, Maths Vocabulary every 7 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

ScorecardNo meaningful differences
MERS.HK versus Maths Vocabulary: the parameters behind the verdict, then further details
ParameterMERS.HKMaths Vocabulary
PriceFreeFree
Positive reviews40.0% of reviews—
Update frequencyEvery 5 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPad
Requires iOS10.0 — better11.0
Further details — not scored
Size2 MB76 MB
Age rating4+4+
DeveloperModern Educational Research Society, LTDe-Trainer Limited

In-app purchases

None

MERS.HK

No in-app purchases

None

Maths Vocabulary

No in-app purchases

Questions

Is MERS.HK free?
MERS.HK is free to download, with no in-app purchases.
Is Maths Vocabulary free?
Maths Vocabulary is free to download, with no in-app purchases.
Do MERS.HK or Maths Vocabulary have ads?
Neither MERS.HK nor Maths Vocabulary shows ads.
Which is updated more often, MERS.HK or Maths Vocabulary?
MERS.HK ships an update every 5 months, and Maths Vocabulary every 7 months. Most recently, MERS.HK was updated on November 1, 2026 and Maths Vocabulary on October 27, 2026.

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