# World Flags Trainer vs SKYLARK_SCHL

The clearest difference is in-app purchases: SKYLARK_SCHL at none against World Flags Trainer's 1. World Flags Trainer's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. World Flags Trainer sells 1 one-off in-app purchase. SKYLARK_SCHL asks for nothing beyond the download.

World Flags Trainer ships an update every 11 days, SKYLARK_SCHL every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | World Flags Trainer | SKYLARK_SCHL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (147 ratings)](https://appshunter.io/ios/app/world-flags-trainer/id1583038202/reviews)** | — |
| Number of ratings | **147** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 246 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Straub](https://appshunter.io/developer/1573167056) | [AAAMT Verticals Private Limited](https://appshunter.io/developer/1819459821) |

## What reviewers say

### World Flags Trainer

[App page](https://appshunter.io/ios/app/world-flags-trainer/id1583038202)

Learn world flags effectively with an adaptive spaced-repetition system. Practice through multiple choice or self-assessment, focusing on active recall for long-term retention. Master flags by continent with dual direction learning and track progress with structured knowledge tests.

**Highlights:** Adaptive spaced-repetition learning, Multiple choice and self-assessment modes, Flag to Country and Country to Flag practice, Categorization by continent, Structured knowledge tests with medals, Adjustable categories and question types, Browse and search flashcards

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | one-time |


### SKYLARK_SCHL

[App page](https://appshunter.io/ios/app/skylark-schl/id1665899529)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Flags Trainer free?

World Flags Trainer is free to download, with in-app purchases available.

### Is SKYLARK_SCHL free?

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

### Do World Flags Trainer or SKYLARK_SCHL have ads?

Neither World Flags Trainer nor SKYLARK_SCHL shows ads.

### Which is updated more often, World Flags Trainer or SKYLARK_SCHL?

World Flags Trainer ships an update every 11 days, and SKYLARK_SCHL every 3 weeks. Most recently, World Flags Trainer was updated on October 27, 2026 and SKYLARK_SCHL 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.*