# FactorMan vs iWorld US Lite

The clearest difference is rating: iWorld US Lite at 5.0 against FactorMan's 3.7. FactorMan's advantage is update cadence (every 7 months vs every 38 months) and iOS requirement (11.0 vs 26.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

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 3.7. Both are backed by a comparable volume of ratings — 10 and 4 respectively.

FactorMan ships an update every 7 months, iWorld US Lite every 38 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FactorMan | iWorld US Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (10 ratings)](https://appshunter.io/ios/app/factorman/id564193621/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/iworld-us-lite/id931222972/reviews)** |
| Number of ratings | **10** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 38 months |
| Monetization | Free | Free |
| Size | 18 MB | 18 MB |
| Requires iOS | **11.0** | 26.4 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bretl](https://appshunter.io/developer/553850818) | [Lynne Bolduc](https://appshunter.io/developer/483035151) |

## What reviewers say

### FactorMan

[App page](https://appshunter.io/ios/app/factorman/id564193621)

A math game where players earn points by selecting numbers, while an opponent calculates the sum of their factors. Strategic number selection and arithmetic skills are key to winning, with options to play against AI or another human.

**Highlights:** Earn points by choosing numbers, Opponent calculates sum of factors, Strategic number selection, Play against AI or human opponent, Develop arithmetic skills

**Features:** macOS Compatibility

**In-app purchases:** none


### iWorld US Lite

[App page](https://appshunter.io/ios/app/iworld-us-lite/id931222972)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FactorMan free?

FactorMan is free to download, with no in-app purchases.

### Is iWorld US Lite free?

iWorld US Lite is free to download, with no in-app purchases.

### Which has better reviews, FactorMan or iWorld US Lite?

iWorld US Lite is rated higher. FactorMan averages 3.7 out of 5 from 10 ratings, while iWorld US Lite averages 5.0 from 4 ratings.

### Do FactorMan or iWorld US Lite have ads?

Neither FactorMan nor iWorld US Lite shows ads.

### Which is updated more often, FactorMan or iWorld US Lite?

FactorMan ships an update every 7 months, and iWorld US Lite every 38 months. Most recently, FactorMan was updated on October 23, 2026 and iWorld US Lite on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*