State Puzzles vs iWorld US Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
State Puzzles
An interactive geography puzzle designed to help users learn United States states and capitals. Users can study by region or the entire continental US, and challenge friends with a timed puzzle. Flashcards are included for state capitals.
- Interactive state puzzles
- Study by region or continental US
- Timed puzzle race mode
- State capital flashcards
- Award-winning STEM app
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Award winning app! State Puzzles won the 2014 House STEM App Competition for Oregon's 4th Congressional District. Get ready to learn your states. Written for kids by a kid. I wrote this when I was 12 to help my sister to learn her states. State Puzzles is an interactive puzzle to help you learn United States geography. You can study by region or study the entire continental United States. Once you know your states you can race your friends using the timed puzzle. Also included is a set of flash cards to learn the state capitals.
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.
- Interactive state and capital introductions
- Quiz, puzzle, and labeling activities
- Montessori 3-part lesson method
- Self-correcting activities
- Student-controlled challenge levels
- Printable worksheets
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iWorldGeography is used by schools, libraries, and families in 73 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.
Verdict
The clearest difference is rating: iWorld US Lite at 5.0 against State Puzzles's 3.8. iWorld US Lite also leads on review sentiment (100% vs 80%). State Puzzles's advantage is update cadence (every 17 months vs every 38 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iWorld US Lite holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 80% of State Puzzles's written reviews are positive against 100% of iWorld US Lite's.
State Puzzles ships an update every 17 months, iWorld US Lite every 38 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.
| Parameter | State Puzzles | iWorld US Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 4 |
| Update frequency | Every 17 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPad |
| Requires iOS | 7.0 — better | 8.0 |
| Further details — not scored | ||
| Size | 58 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Fitzpatrick | Lynne Bolduc |
Customer experience
State Puzzles
iWorld US Lite
In-app purchases
State Puzzles
No in-app purchases
iWorld US Lite
No in-app purchases




