Comparison

Place Value Addition vs Montessori Math

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

Head to head
About

Place Value Addition

This educational app helps children understand place value by visually adding numbers using interactive discs. It offers random and custom problems for numbers up to three digits, aiding comprehension of regrouping in addition.

Highlights
  • Visual place value discs
  • Addition with regrouping
  • 1-3 digit numbers
  • Random problems
  • Customizable problems
Features
Read full description

Place Value Addition helps students understand addition using place value discs. A strong understanding of place value in the base ten system is essential for long-term mathematical learning. In addition, place value helps students understand how regrouping works. The app provides a visual, step-by-step way to add two numbers using place value discs. Students can solve randomly generated problems or enter their own problems. Features: * Numbers with 1–3 digits * Randomly generated problems * Custom problems * Visual place value discs * Step-by-step addition practice * Clear visualization of regrouping Part of the iDevBooks Place Value series: * Place Value Addition * Place Value Subtraction * Place Value Multiplication * Place Value Division Video: Please visit idevbooks.com to see a video of the app. Other iDevBooks Math Apps: Other iDevBooks math apps include Visual Fractions Decimals Percentages, Decimal Rounding, Whole Number Rounding, Column Subtraction, Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, and more. Feedback: New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback. Privacy: This app has no ads, no in-app purchases, and does not transmit user data during operation. The app also does not contain links to other apps or to the web.

About

Montessori Math

This app teaches math concepts for children aged 3 and up, from basic preschool skills to arithmetic. It features interactive activities like the Hundred Board and Fractions, designed with Montessori principles. Audio and graphics support non-readers.

Highlights
  • Interactive math activities
  • Montessori-inspired learning
  • Covers preschool to arithmetic
  • Audio and visual support
  • Self-correcting activities
  • Progress tracking
Features
Read full description

Ages 3 & Up. Learn and practice mathematics, starting with basic concepts for preschoolers and progress up to learning arithmetic. We have included our most popular activities, such as the Hundred Board, Skip Counting, Fractions, and more. You can download the app for free and browse through the activities before subscribing. Preschool children who cannot read yet can still learn everything presented by use of the integrated audio and graphics. Activities included with this release: PINK TOWER - Learn to identify different sizes and follow a sequence to assemble patterns. PATTERNING - Observe and practice patterning concepts to build math readiness skills. GEOMETRIC CABINET - Learn to identify and name geometric shapes. CARDS & COUNTERS - Learn to count from 1 to 10 and understand the quantity that each number represents. HUNDRED BOARD - Count from 1 to 100 using the 10x10 Hundred Board format. HUNDRED BOARD 101-200 - Learn the concept of counting beyond 100. COUNT TO 1000! - Practice counting from 1 all the way to 1000 and practice individual sets. SKIP COUNTING - Learn to skip count using the Hundred Board by 2s, 3s, 4s, etc. HUNDRED BOARD PATTERNS - Practice your knowledge of numbers out of sequence and assemble colorful patterns with numbers. NUMBER SEQUENCING - Practice identifying numbers by finding What Comes Before, After & In-Between? FRACTIONS - Learn the concept of breaking a whole into equal parts and progress up to identifying fractions numerically. ADDITION CHARTS - Visualize the basic addition equations with charts. ADDITION TABLES - Practice the Addition Tables over and over. SUBTRACTION CHARTS - Visualize the basic subtraction equations with charts. SUBTRACTION TABLES - Practice the Subtraction Tables over and over. MULTIPLICATION CHARTS - Visualize the basic multiplication equations with charts. MULTIPLICATION TABLES - Practice the Multiplication Tables over and over. DIVISION CHARTS - Visualize the basic division equations with charts. DIVISION TABLES - Practice the Division Tables over and over. These math activities are designed for both classroom and home use. All activities are self-correcting and self-guided. You will be pleasantly surprised how much children will be able to learn and retain with this app. Our design team consists of Engineers and a former Montessori Directress, AMI certified, with over 40 years of Montessori classroom experience. We have done our best to respect the Montessori method and bring you activities that take advantage of the digital age. Thank you so much for your support and we plan to continue to add new activities to this app for expanded learning. Terms of Use & Privacy Policy can be found here: http://www.mobilemontessori.org/privacy

Screenshots

Montessori Math4 screens

Verdict

The call

The clearest difference is price: Montessori Math at Free against Place Value Addition's $3.99. Montessori Math also leads on update cadence (every 3 months vs every 21 months) and ratings volume (6 vs 1). Place Value Addition's advantage is rating (5.0 vs 3.5) and in-app purchases (none vs 2). On ads 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

Montessori Math is free to download; Place Value Addition costs $3.99 up front. Montessori Math sells 2 in-app purchases, starting at $3.99 per month. Place Value Addition asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Place Value Addition holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Montessori Math has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Place Value Addition ships an update every 21 months, Montessori Math every 3 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

Scorecard8 real differences · 2 level
Place Value Addition versus Montessori Math: the parameters behind the verdict, then further details
ParameterPlace Value AdditionMontessori Math
Price$3.99Free — better
Rating5.0 (1 ratings) — better3.5 (6 ratings)
Positive reviews—50.0% of reviews
Number of ratings16 — better
Update frequencyEvery 21 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.612.0 — better
Further details — not scored
Size0 MB385 MB
Age rating4+4+
DeveloperEsa HelttulaRantek Inc.

Customer experience

Place Value Addition

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Montessori Math

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Place Value Addition

No in-app purchases

2 purchases

Montessori Math

Subscriptions2
  • Montessori Math Monthly Sub.7 Days trial$3.991 Month
  • Montessori Math Yearly Sub.7 Days trial$39.991 Year

Questions

Is Place Value Addition free?
Place Value Addition costs $3.99, with no in-app purchases.
Is Montessori Math free?
Montessori Math is free to download, with in-app purchases available.
Which has better reviews, Place Value Addition or Montessori Math?
Place Value Addition is rated higher. Place Value Addition averages 5.0 out of 5 from 1 ratings, while Montessori Math averages 3.5 from 6 ratings.
Do Place Value Addition or Montessori Math have ads?
Neither Place Value Addition nor Montessori Math shows ads.
Which is updated more often, Place Value Addition or Montessori Math?
Place Value Addition ships an update every 21 months, and Montessori Math every 3 months. Most recently, Place Value Addition was updated on October 11, 2026 and Montessori Math on October 7, 2026.

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