Comparison

iWorld US Lite vs Map Study

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

Head to head
About

iWorld US Lite

This app introduces U.S. states and capitals through interactive games and puzzles. It uses a Montessori-inspired approach with self-correcting activities to foster independent learning for young children. Printable worksheets are also available for offline reinforcement.

Highlights
  • Interactive state and capital introductions
  • Quiz, puzzle, and labeling activities
  • Montessori 3-part lesson method
  • Self-correcting activities
  • Student-controlled challenge levels
  • Printable worksheets
Features
Read full description

iWorldGeography is used by schools, libraries, and families in 74 countries!!!! This FREE TRIAL includes 7 states in a fully functional version of iWorldGeography United States. Give it a try! Includes: Maine, Georgia, Michigan, North Dakota, Oklahoma, Nevada, and Washington. "Your iWorld apps were the first we found that we could endorse whole-heartedly … Thank you for your quality, real, Montessori apps." -- montessoritech.net Just like the full version of iWorldGeography United States, US Lite includes a Montessori 3-part-lesson [introduce, recall, reconstruct], plus labeling. Student-centered, self-correcting, independent work blends seamlessly with existing curriculum or stands alone for home use. Free worksheets can be printed for follow-up, physical-world activities at home or in the classroom. Available to all at TenSunInteractive.com - Extras. This introduction to United States and Capitals was designed by former Lead Developer at MIT's Center for Educational Computing Initiatives. Created for 6-to-9 year olds. Narrated by a child. United States includes an introduction to state names and capitals plus quiz, puzzle, and label activities … Content: • Active Intro - Touch any state to hear its name. • Passive Intro - Movie introduces each state name. • Quiz - Name is played. Touch any state to reveal answer. • Puzzle - Freely drag pieces to reconstruct map. • Label - Pins drag freely to label states and capitals. Features: • Self-Correcting Activities • Student-Controlled Manipulatives - pins & pieces drag freely on screen • Fresh Challenge - randomized content appears in a new order each time Student-Managed Options: Puzzle • "Grid" - scatters pieces to screen edges. • "Toss" - scatters pieces randomly across screen. • "Lines/No Lines" - toggle to work with or without outline. Labels • "Pass" - skips current label. • "Lightbulb" - toggles to show or hide control map. • Control visual-background information: • --- "Label" - color background, pin shows label only • --- "Color" - outline background, pin shows color only • --- "Label & Color" - outline background, pin shows label & color Learning Style: • Independent work • Self-correcting activities • Challenge increases as activities progress • Options allow students to manage challenge level and visual style • Children control navigation; never locked into an activity • No penalty for wrong answer; correct answer simply reinforced • No distracting bells and whistles • Worksheets support transition back to physical world activities TenSun puts children in charge of their learning by allowing them to control the challenge level and depth of their lesson. Activities are self-correcting. Children are free to work independently, in a small group, or with the help of a supervising adult at home or in the classroom. ONLINE MAPS AND LABELS Touch Classroom Printouts button on app's Teacher & Parent screen to access printouts for additional color, trace, and label activities. Or, visit TenSunInteractive.com's Extras page. TWITTER NEWS Follow us on Twitter @tensuninteract for App, Update, and Online Extra alerts. FACEBOOK Follow TenSun Interactive on FaceBook. EDUCATION PRICING 50% discount for 20+ apps with Apple's Volume Discount Program for Education EDUCATIONAL NOTE iWorldGeography colors match American Montessori Society classroom materials. iWorldGeography Series blends self-correcting, child-directed-activity design with Geography curriculum used in Montessori Children's House and Lower Elementary classrooms. Concept and visual design is thoughtfully integrated to supplement existing curriculum and classroom materials. The series was inspired by 3-year's observation in Lexington (MA) Montessori School Children's House classrooms where MyWorld, TenSun's desktop-based version of this series, has been used since 2004.

About

Map Study

Master US states and capitals through interactive maps, spelling quizzes, and puzzle challenges. Track your progress with real-time feedback and an answer key. Unlock all features with a single in-app purchase for an ad-free learning experience.

Highlights
  • Interactive US map
  • State and capital identification
  • Fill-in-the-blank spelling quiz
  • State puzzle assembly
  • Real-time progress tracking
  • Built-in answer key
Features
Read full description

Learn the U.S. states and capitals in a fun and interactive way with Map Study: United States! Enjoy a quick map challenge, build a puzzle, or spend time learning somewhere new. Play and explore at your own pace! Explore & Learn: * Tap, find, and discover every U.S. state and capital on an interactive map. * Challenge yourself with a fill-in-the-blank spelling quiz. * Assemble the United States one puzzle piece at a time! * Explore the whole country or practice a smaller region. * Learn where major rivers are, and tap to highlight them and see where they go. Practice finding and spelling their names. * Discover major lakes, including the Great Lakes, with finding and spelling activities. * Find mountain peaks and practice spelling their names. * Explore mountain ranges and learn where they stretch across the country. * Learn Hawaii’s eight main islands with map challenges and spelling practice. See Your Progress: * Get immediate feedback as you find states, name capitals, and complete puzzles. * See your correct and incorrect answers as you go. * Use the built-in Answer Key whenever you need a little help. No Ads, Just Fun Learning! * Enjoy clear, colorful maps on iPhone and iPad. * Take your map adventures offline—no internet connection needed to play. * Jump right in without creating an account. Try Map Study: United States for free! The free download includes starter activities. A one-time Plus purchase unlocks the complete activity set, with no subscription. Purchases and external links are protected by a grown-up check. Privacy Matters: Map Study does not collect any data. Enjoy learning and exploring without ads or tracking.

Screenshots

Map Study4 screens

Verdict

The call

The clearest difference is in-app purchases: iWorld US Lite at none against Map Study's 1. iWorld US Lite also leads on rating (5.0 vs 4.8). Map Study's advantage is update cadence (every 3 weeks vs every 38 months) and ratings volume (34 vs 4). On price, review sentiment and 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

Both are free to download. Map Study sells 1 one-off in-app purchase. iWorld US Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iWorld US Lite holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Map Study has 34 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

iWorld US Lite ships an update every 38 months, Map Study every 3 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard7 real differences · 3 level
iWorld US Lite versus Map Study: the parameters behind the verdict, then further details
ParameteriWorld US LiteMap Study
PriceFreeFree
Rating5.0 (4 ratings) — better4.8 (34 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings434 — better
Update frequencyEvery 38 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS26.415.4 — better
Further details — not scored
Size18 MB105 MB
Age rating4+4+
DeveloperLynne BolducEFX Technical Solutions LLC

Customer experience

iWorld US Lite

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Map Study

All ratings32 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iWorld US Lite

No in-app purchases

1 purchases

Map Study

One-time1
  • Upgrade to Plus$8.99

Questions

Is iWorld US Lite free?
iWorld US Lite is free to download, with no in-app purchases.
Is Map Study free?
Map Study is free to download, with in-app purchases available.
Which has better reviews, iWorld US Lite or Map Study?
iWorld US Lite is rated higher. iWorld US Lite averages 5.0 out of 5 from 4 ratings, while Map Study averages 4.8 from 34 ratings.
Do iWorld US Lite or Map Study have ads?
Neither iWorld US Lite nor Map Study shows ads.
Which is updated more often, iWorld US Lite or Map Study?
iWorld US Lite ships an update every 38 months, and Map Study every 3 weeks. Most recently, iWorld US Lite was updated on November 6, 2026 and Map Study on November 7, 2026.

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