Comparison

Monsty vs Lumi Math Planet

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

Head to head
About

Monsty

Features
Read full description

Help your child learn numbers, counting, and addition and subtraction up to 10 with "Monsty: First Math"! This fun and educational math app is perfect for preschoolers and 1st graders starting their math journey. Kids practice number recognition, counting, and simple addition and subtraction up to 10 β€” all while playing with Monsty and Friends! Key Features: - Practice first numbers, counting, and number recognition in a playful way. - Learn plus and minus (addition and subtraction) up to 10 without timers or pressure. - Solve math problems with the help of adorable monster characters. - Designed for preschool and 1st grade learners. - Kid-safe, ad-free, and easy to navigate. "Monsty: First Math" helps children build confidence in math by mastering numbers and practicing addition and subtraction up to 10. Whether your child is learning to count, add, or subtract, Monsty makes early math fun, friendly, and stress-free. Download now and make learning math your child’s favorite adventure!

About

Lumi Math Planet

Features
Read full description

Optimized for iPhone Duo. Built with the latest SDK, the app fills the entire inner display and automatically adjusts its layout whether the device is folded or open. Math before they can read: 46 picture-based question types, each one read aloud, from counting and addition to times tables, clocks and money. Get one right and a little planet lights up. Wrong answers get no buzzer, only gentle encouragement. Parents can follow progress across five skill areas, practice weak spots and print worksheets with answer keys. No ads, no subscription. A universe your child lights up with their own mind Lumi Math Planet turns math into a warm, cinematic space adventure. Solve a puzzle and a dark little planet flickers to life β€” buildings rise, auroras bloom, and an adorable space friend floats down to say hello. From Glimmer Planet all the way to the Boss Planet, every right answer makes the universe a little more beautiful. No failure. No buzzer. No shame β€” only gentle encouragement. So confidence grows on its own. Children ask to play it. That's the part that changes everything. Crafted to a standard you can feel Every planet has its own glowing personality. Every object is sculpted in warm, clay-style art. Every question is read aloud in a gentle, friendly voice. This isn't a worksheet with a cartoon stapled on top β€” it's a tiny world built with the kind of love you'd want a great teacher to have. Thinking, not just answers β€” contest-grade Most math apps drill speed. Lumi builds minds. Question types cover number patterns, logic, spatial reasoning, simple combinatorics and real word problems. Your child learns to think like a young mathematician, right at the kitchen table. So clear, a child plays before they can read Every single question is visual. Dice, ten-frames, number lines, growing rows, bar charts β€” abstract math becomes a picture you understand at a glance. No memorizing. No guessing. Just real number sense, discovered. From the very first number to contest-grade thinking Addition & subtraction past 100 (with regrouping), multiplication, division, number bonds, place value, comparing, patterns, odd/even, ordinals, time and money β€” 46 question types that level up automatically. Whether it's a pre-reader, a child just starting school, or anyone rebuilding their foundations, everyone begins right at their own level and climbs from there. Growth you can actually see The Parent Zone shows learning across five skill domains, spots weak areas, and opens one-tap focused practice. Export a printable worksheet and a learning report (print it or save a PDF) and carry every milestone with you. 44 interface languages Follows your device language automatically, or pick one in the app. The quiet luxuries No ads. Ever. No data collected β€” nothing ever leaves the device. No account, no login. Every outbound tap sits behind a parent gate. One promise, kept: a single one-time in-app purchase. No subscription, no nagging. Start without buying with your first planet and the daily challenge; unlock the whole galaxy whenever you're ready. Blast off β€” and watch your child build a universe that runs on what they just learned. Optimized for iPhone Duo.

Screenshots

Monsty4 screens
Lumi Math Planet4 screens

Verdict

The call

The clearest difference is price: Lumi Math Planet at Free against Monsty's $2.99. Lumi Math Planet also leads on update cadence (every 3 days vs every 6 weeks). Monsty's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Lumi Math Planet is free to download; Monsty costs $2.99 up front. Lumi Math Planet sells 1 one-off in-app purchase. Monsty asks for nothing beyond the download.

UpkeepUpdate frequency

Monsty ships an update every 6 weeks, Lumi Math Planet every 3 days. Both last shipped on October 30, 2026.

Scorecard3 real differences Β· 3 level
Monsty versus Lumi Math Planet: the parameters behind the verdict, then further details
ParameterMonstyLumi Math Planet
Price$2.99Free β€” better
Update frequencyEvery 6 weeksEvery 3 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details β€” not scored
Size29 MB56 MB
Age rating4+4+
DeveloperPATRICIA SAUERGuan Feng Lai

In-app purchases

None

Monsty

No in-app purchases

1 purchases

Lumi Math Planet

One-time1
  • Unlock the Full Galaxy$4.99

Questions

Is Monsty free?
Monsty costs $2.99, with no in-app purchases.
Is Lumi Math Planet free?
Lumi Math Planet is free to download, with in-app purchases available.
Do Monsty or Lumi Math Planet have ads?
Neither Monsty nor Lumi Math Planet shows ads.
Which is updated more often, Monsty or Lumi Math Planet?
Monsty ships an update every 6 weeks, and Lumi Math Planet every 3 days. Most recently, Monsty was updated on October 30, 2026 and Lumi Math Planet on October 30, 2026.

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