# iFlag vs US States Trainer

The clearest difference is in-app purchases: iFlag at none against US States Trainer's 1. iFlag also leads on rating (4.8 vs 4.5). US States Trainer's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (22 vs 5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. US States Trainer sells 1 one-off in-app purchase. iFlag asks for nothing beyond the download.

iFlag holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 5 and 22 respectively.

iFlag ships an update every 5 months, US States Trainer every 3 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iFlag | US States Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/iflag-learn-world-flags/id1402994341/reviews)** | [4.5 (22 ratings)](https://appshunter.io/ios/app/us-states-trainer/id1583038813/reviews) |
| Number of ratings | 5 | **22** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 73 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yen Nguyen](https://appshunter.io/developer/1370538562) | [Philipp Straub](https://appshunter.io/developer/1573167056) |

## What reviewers say

### iFlag

[App page](https://appshunter.io/ios/app/iflag-learn-world-flags/id1402994341)

This educational app helps students learn and test their knowledge of world flags through engaging quiz and multiplayer games. It offers various game modes to identify countries from flags, maps, and capitals.

**Highlights:** Learn world flags, Quiz games, Multiplayer games, Identify country from flag, Identify country from map, Identify capital of country

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### US States Trainer

[App page](https://appshunter.io/ios/app/us-states-trainer/id1583038813)

Master U.S. states, capitals, and flags with an adaptive learning system. This app uses spaced repetition and multiple learning modes to ensure long-term retention of geographical knowledge.

**Highlights:** Adaptive spaced repetition system, Multiple choice practice, Self-assessment for active recall, Learn states, capitals, and flags, Multiple question directions, Progress tracking with medals, Card browser for independent study

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | one-time |


## Frequently asked questions

### Is iFlag free?

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

### Is US States Trainer free?

US States Trainer is free to download, with in-app purchases available.

### Which has better reviews, iFlag or US States Trainer?

iFlag is rated higher. iFlag averages 4.8 out of 5 from 5 ratings, while US States Trainer averages 4.5 from 22 ratings.

### Do iFlag or US States Trainer have ads?

Neither iFlag nor US States Trainer shows ads.

### Which is updated more often, iFlag or US States Trainer?

iFlag ships an update every 5 months, and US States Trainer every 3 weeks. Most recently, iFlag was updated on October 5, 2026 and US States Trainer on October 7, 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.*