# LOC Collections vs Formation Trainer

The clearest difference is in-app purchases: LOC Collections at none against Formation Trainer's 1. LOC Collections also leads on iOS requirement (14.0 vs 17.0). Formation Trainer's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Formation Trainer sells 1 one-off in-app purchase. LOC Collections asks for nothing beyond the download.

LOC Collections ships an update every 2 months, Formation Trainer every 2 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | LOC Collections | Formation Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (35 ratings)](https://appshunter.io/ios/app/loc-collections/id1446790792/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 23 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Library Of Congress](https://appshunter.io/developer/380309748) | [Christopher Casey](https://appshunter.io/developer/6804803585) |

## What reviewers say

### LOC Collections

[App page](https://appshunter.io/ios/app/loc-collections/id1446790792)

Access and explore millions of digitized items from the world's largest library. Discover iconic photos, historic maps, books, films, and manuscripts. Save, share, and zoom in on details within the vast digital archives.

**Highlights:** Access millions of digitized items, Explore photos, maps, books, and films, Search and browse collections, Save and share favorites, Zoom in for detailed image exploration, Read historic books and newspapers, Watch early films

**In-app purchases:** none


### Formation Trainer

[App page](https://appshunter.io/ios/app/formation-trainer/id6804803583)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $2.99 | one-time |


## Frequently asked questions

### Is LOC Collections free?

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

### Is Formation Trainer free?

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

### Do LOC Collections or Formation Trainer have ads?

Neither LOC Collections nor Formation Trainer shows ads.

### Which is updated more often, LOC Collections or Formation Trainer?

LOC Collections ships an update every 2 months, and Formation Trainer every 2 days. Most recently, LOC Collections was updated on October 24, 2026 and Formation Trainer on October 29, 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.*