Comparison

SoroRoom vs Mental Math Ninja

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

Head to head
About

SoroRoom

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■ Overview "SoroRoom" is a dedicated app developed to help teachers smoothly facilitate classes at SoroTouch Centers. One of the key features of a SoroTouch Center is that anyone can deliver high-quality classes, even without prior expertise in the abacus or specialized teaching experience. Since the class proceeds according to the app’s menu, preparation time is kept to a minimum. This allows teachers to focus entirely on supporting their students and boosting their individual motivation. ■ Key Features ●Standardized Classes via Intuitive Navigation ・From Weekly Results to individual study and activities, an entire class session is completed through the app. ・Teachers can build a rhythmic, well-paced lesson without hesitation simply by following the menu in order. ●Class Management via iPad: Focus on Student Support ・With an iPad in hand, teachers can control the entire class while walking among the students. ・No longer tied to a teacher's desk, teachers can closely observe students' expressions and hand movements to provide the perfect encouragement for each individual. ●Real-Time Progress Tracking at a Glance ・The dashboard allows teachers to instantly check each student's learning progress and accuracy rate. Teachers can quickly identify students who need support and provide timely follow-up. ●Boost Class Energy with ”Everyone’s Relay" ・Fun, classroom-exclusive features like the ”Everyone’s Relay“ maximize student motivation and bring the entire class together.

About

Mental Math Ninja

Features
Read full description

Earn Ninja Belts by practicing Mental Math. Solve math sums while enjoying the thrill of playing an arcade game. Earn the highest honor of winning the black belt by solving increasingly complex sums at a faster pace. Mental Math Ninja is an engaging way of building your Mental Math skills which are essential to succeed in Exam Prep like SAT. Practice mental Math a few minutes daily to improve your Math Speed.

Screenshots

Mental Math Ninja4 screens

Verdict

The call

The clearest difference is in-app purchases: SoroRoom at none against Mental Math Ninja's 1. Mental Math Ninja's advantage is update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price, ads 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. Mental Math Ninja sells 1 one-off in-app purchase. SoroRoom asks for nothing beyond the download.

UpkeepUpdate frequency

SoroRoom ships an update every 2 months, Mental Math Ninja every 2 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 3 level
SoroRoom versus Mental Math Ninja: the parameters behind the verdict, then further details
ParameterSoroRoomMental Math Ninja
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPadiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size210 MB17 MB
Age rating4+4+
DeveloperSoroTouch Co., Ltd.Sphulling Technologies

In-app purchases

None

SoroRoom

No in-app purchases

1 purchases

Mental Math Ninja

One-time1
  • Do More Math$0.99

Questions

Is SoroRoom free?
SoroRoom is free to download, with no in-app purchases.
Is Mental Math Ninja free?
Mental Math Ninja is free to download, with in-app purchases available.
Do SoroRoom or Mental Math Ninja have ads?
Neither SoroRoom nor Mental Math Ninja shows ads.
Which is updated more often, SoroRoom or Mental Math Ninja?
SoroRoom ships an update every 2 months, and Mental Math Ninja every 2 weeks. Most recently, SoroRoom was updated on October 5, 2026 and Mental Math Ninja on October 4, 2026.

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