# Model Inventory vs Trainventory

The clearest difference is review sentiment: Trainventory at 100% against Model Inventory's 24%. Trainventory also leads on rating (4.6 vs 3.1). Model Inventory's advantage is update cadence (every 4 weeks vs every 3 months) and iOS requirement (9.0 vs 18.6). 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.

Trainventory holds the better App Store score, 4.6 against 3.1. Both are backed by a comparable volume of ratings — 9 and 22 respectively. Written reviews point the same way: 24% of Model Inventory's written reviews are positive against 100% of Trainventory's.

Model Inventory ships an update every 4 weeks, Trainventory every 3 months. The most recent releases landed on June 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Model Inventory | Trainventory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (9 ratings)](https://appshunter.io/ios/app/model-inventory/id669218378/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/trainventory/id6738597502/reviews)** |
| Number of ratings | 9 | **22** |
| Positive reviews | 24.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 10 MB | 30 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Woodland Scenics](https://appshunter.io/developer/528641487) | [Nicholas Eby](https://appshunter.io/developer/380053295) |

## What reviewers say

### Model Inventory

[App page](https://appshunter.io/ios/app/model-inventory/id669218378)

This app helps model railroad enthusiasts organize their collections. Track locomotives, rolling stock, structures, and accessories with custom categories, purchase details, photos, and notes. It's ideal for managing your collection and for use at train shows.

**Highlights:** Track locomotives, rolling stock, structures, scenery, accessories, Create custom categories, Log purchase date and cost, Store photos, Add notes, Useful for train shows and swap meets

**Features:** macOS Compatibility

**In-app purchases:** none


### Trainventory

[App page](https://appshunter.io/ios/app/trainventory/id6738597502)

Organize, track the value of, and create wishlists for your model train collection. Get reminders for new releases and manage your hobby efficiently.

**Highlights:** Organize train collection, Track costs and value, Create wishlists, Wishlist reminders, User-friendly design

**In-app purchases:** none


## Frequently asked questions

### Is Model Inventory free?

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

### Is Trainventory free?

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

### Which has better reviews, Model Inventory or Trainventory?

Trainventory is rated higher. Model Inventory averages 3.1 out of 5 from 9 ratings, while Trainventory averages 4.6 from 22 ratings.

### Do Model Inventory or Trainventory have ads?

Neither Model Inventory nor Trainventory shows ads.

### Which is updated more often, Model Inventory or Trainventory?

Model Inventory ships an update every 4 weeks, and Trainventory every 3 months. Most recently, Model Inventory was updated on June 8, 2026 and Trainventory on September 30, 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.*