Comparison

Montessori Visual Cards vs Inverse Proportion

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

Head to head
About

Montessori Visual Cards

This app provides a collection of visual cards designed to support early childhood development through the Montessori approach. It aims to enhance visual acuity, cognitive skills, concentration, language acquisition, and sensory development in babies and young children.

Highlights
  • Stimulates visual development with high-contrast cards
  • Enhances cognitive skills for shape and object recognition
  • Promotes concentration and focus
  • Aids language development through word-image association
  • Fosters sensory development with varied patterns
  • Interactive caregiver-baby learning experience
  • Adaptable to baby's developmental stages
Features
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Montessori Visual Cards turns everyday moments into gentle, focused learning — beautiful flashcards your child sees, hears, and grows into. Built on Montessori principles: one clear image, one clear word, no clutter, no noise, nothing chasing your child's attention. 439 cards across 34 categories From first weeks to first sentences — high-contrast cards for newborn eyes, then animals, food, shapes, numbers, colors, instruments, transport, the kitchen, the playground, jobs people do, and more. Every card is original artwork, drawn to be read at a glance. Every card narrated, in 32 languages Arabic, Bengali, Bulgarian, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Italian, Japanese, Korean, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian and Vietnamese. Raising a child in two languages? Switch anytime. The same card, the same picture, a new word. It is the simplest bilingual tool we know how to build. Three little games • Where is it? — find the card you hear • Match the pair — memory, one pair at a time • Listen & choose — sounds and words together Short by design. A few rounds, then back to the world. My Family Add your own photos and record them in your own voice. Grandma, the cat, the blue cup by the sink. The faces your child most wants to name, said the way you say them. Grows with your child Age bands from 0–3 months through 12 months and beyond, so what you open is already right for where your child is today. On screen time We think a screen should earn its place. Visual Cards is made for short, shared sessions — you and your child, naming things together — not for keeping a child occupied alone. There are no ads, no autoplay rabbit holes, and nothing designed to keep anyone watching. Visual Cards Plus A subscription unlocks the full library, including newer collections. The original card sets stay free, forever. Subscription details Visual Cards Plus is an auto-renewing subscription, available monthly or yearly. The yearly plan starts with a 7-day free trial. Payment is charged to your Apple Account at confirmation of purchase and renews automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lanse.io/privacy

About

Inverse Proportion

Features
Read full description

The DOST Courseware is a locally-produced, all-original Filipino highly interactive multimedia educational application packages that are conceptualized, digitized and produced as spearheaded by the Science Education Institute (SEI-DOST) in partnership with the Advanced Science and Technology Institute (ASTI-DOST) and in cooperation with the Department of Education (DepEd), Philippine Normal University (PNU) and University of the Philippines-National Institute for Science and Mathematics Education (UP-NISMED), which aims to develop information and communication technology learning innovation to support the upgrading and improvement of science and mathematics education in the country. The DOST Courseware are provided for free to schools and are also made available online as supplemental resources for teachers and student as a fun and interactive approach to e-learning and blended learning.

Screenshots

Montessori Visual Cards3 screens
Inverse Proportion4 screens

Verdict

The call

The clearest difference is in-app purchases: Inverse Proportion at none against Montessori Visual Cards's 2. Inverse Proportion also leads on iOS requirement (12.0 vs 18.6). On price, ads and device support 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. Montessori Visual Cards sells 2 in-app purchases, starting at $2.99 per month. Inverse Proportion asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Montessori Visual Cards versus Inverse Proportion: the parameters behind the verdict, then further details
ParameterMontessori Visual CardsInverse Proportion
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.612.0 — better
Further details — not scored
Size101 MB32 MB
Age rating4+4+
DeveloperLanseScience Education Institute

In-app purchases

2 purchases

Montessori Visual Cards

Subscriptions2
  • Monthly$2.991 Month
  • Yearly7 Days trial$17.991 Year
None

Inverse Proportion

No in-app purchases

Questions

Is Montessori Visual Cards free?
Montessori Visual Cards is free to download, with in-app purchases available.
Is Inverse Proportion free?
Inverse Proportion is free to download, with no in-app purchases.
Do Montessori Visual Cards or Inverse Proportion have ads?
Neither Montessori Visual Cards nor Inverse Proportion shows ads.

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