Comparison

UMA Abacus vs Prime Numbers Math Games

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

Head to head
About

UMA Abacus

Features
Read full description

Use iPad or iPhone as abacus to learn traditional abacus method. It is easy and fun. We have used iPad to teach abacus for more than 10 years. It is the easiest way of learning abacus. With iPad virtual abacus, we can customise the syllabus for each student with his own version. We will always provide the most efficient syllabus for each kid and they can alway learn with the optimal speeds. With iPad virtual abacus, we can build a learning path for the kid that is easier to follow up and you will not easily get stuck with the books as the only tool like the traditional method of learning abacus.

About

Prime Numbers Math Games

This app offers interactive lessons and games to help users learn and practice prime numbers, HCF, and LCM. It provides clear explanations, timed challenges, and adjustable difficulty levels for focused math revision and skill-building.

Highlights
  • Learn prime number concepts
  • Practice HCF and LCM calculations
  • Interactive number challenges
  • Timed game modes
  • Adjustable difficulty levels
  • Clear learning screens
Features
Read full description

Prime Numbers Math Games helps you learn and practise prime numbers, HCF, and LCM through simple lessons and quick number challenges. Start with clear learning screens, then test your number skills in interactive games. You can practise identifying prime numbers, play timed challenges, and build confidence with HCF and LCM calculations. Main Features: • Learn what prime numbers are • View prime number examples from 1 to 100 and beyond • Practise prime number identification • Play classic and timed challenge modes • Learn and practise HCF calculations • Learn and practise LCM calculations • Choose difficulty levels for different practice needs • Clean, simple interface for focused learning • No data collection Why Use This App: Prime numbers, HCF, and LCM are important foundations in mathematics. This app turns number practice into short, focused activities that are easy to understand and quick to play. Suitable for: • Learners practising number skills • Students reviewing prime numbers, HCF, and LCM • Parents supporting math revision • Teachers looking for a simple classroom practice tool • Anyone who enjoys mental math and number puzzles Build your number sense one challenge at a time.

Screenshots

UMA Abacus4 screens
Prime Numbers Math Games4 screens

Verdict

The call

The clearest difference is iOS requirement: UMA Abacus at 15.6 against Prime Numbers Math Games's 17.2. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 8 level
UMA Abacus versus Prime Numbers Math Games: the parameters behind the verdict, then further details
ParameterUMA AbacusPrime Numbers Math Games
PriceFreeFree
Rating—3.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.2
Further details — not scored
Size73 MB3 MB
Age rating4+4+
Developershuihua zhuTsz Poon

In-app purchases

None

UMA Abacus

No in-app purchases

None

Prime Numbers Math Games

No in-app purchases

Questions

Is UMA Abacus free?
UMA Abacus is free to download, with no in-app purchases.
Is Prime Numbers Math Games free?
Prime Numbers Math Games is free to download, with no in-app purchases.
Do UMA Abacus or Prime Numbers Math Games have ads?
Neither UMA Abacus nor Prime Numbers Math Games shows ads.
Which is updated more often, UMA Abacus or Prime Numbers Math Games?
UMA Abacus ships an update every 3 weeks, and Prime Numbers Math Games every 3 weeks. Most recently, UMA Abacus was updated on October 26, 2026 and Prime Numbers Math Games on October 16, 2026.

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