# WiThrottle vs Model Inventory

The clearest difference is review sentiment: WiThrottle at 83% against Model Inventory's 24%. WiThrottle also leads on rating (4.3 vs 3.1) and ratings volume (40 vs 9). Model Inventory's advantage is price (Free vs $9.99) and update cadence (every 4 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Model Inventory is free to download; WiThrottle costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WiThrottle holds the better App Store score, 4.3 against 3.1. Both are backed by a comparable volume of ratings — 40 and 9 respectively. Written reviews point the same way: 83% of WiThrottle's written reviews are positive against 24% of Model Inventory's.

WiThrottle ships an update every 2 months, Model Inventory every 4 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | WiThrottle | Model Inventory |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.3 (40 ratings)](https://appshunter.io/ios/app/withrottle/id344172578/reviews)** | [3.1 (9 ratings)](https://appshunter.io/ios/app/model-inventory/id669218378/reviews) |
| Number of ratings | **40** | 9 |
| Positive reviews | **83.1% of reviews** | 24.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 10 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beth Hoffman](https://appshunter.io/developer/344172581) | [Woodland Scenics](https://appshunter.io/developer/528641487) |

## What reviewers say

### WiThrottle

[App page](https://appshunter.io/ios/app/withrottle/id344172578)

Control your model railroad trains wirelessly using your mobile device. This app connects to JMRI software or specific hardware modules for comprehensive throttle, address, and function management.

**Highlights:** Wireless throttle control, JMRI integration, Function controls F0-F68, Control routes & turnouts, Import roster & function labels, Acquire & dispatch addresses

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 🚀 Works great with JMRI
- 📱 Controls trains wirelessly
- 💡 Excellent value for money
- 🔧 Great customer support

**What reviewers complain about**

- 🐛 Connection drops when backgrounded
- 🐛 JMRI connection issues
- 🐛 Some features not working
- 🐛 UI could be improved
- 🐛 Limited on iPhone vs iPad

**Reported bugs**

- Power ON/OFF broken
- Horn gets stuck on with DCC-EX
- Minor glitchy unresponsive throttle slider
- App would not connect to JMRI 5.2
- Connection to JMRI server drops when app goes to background

**Requested features**

- Support for DCC-EX
- Night mode and dark mode
- Turnout/Points control in main UI
- Routes support with MRC Wi-Fi module
- Customizable features like Android app


### 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


## Frequently asked questions

### Is WiThrottle free?

WiThrottle costs $9.99, with no in-app purchases.

### Is Model Inventory free?

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

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

WiThrottle is rated higher. WiThrottle averages 4.3 out of 5 from 40 ratings, while Model Inventory averages 3.1 from 9 ratings.

### Do WiThrottle or Model Inventory have ads?

Neither WiThrottle nor Model Inventory shows ads.

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

WiThrottle ships an update every 2 months, and Model Inventory every 4 weeks. Most recently, WiThrottle was updated on October 18, 2026 and Model Inventory on October 20, 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.*