# SpeakerPro vs Model Railroad Inventory

The clearest difference is rating: Model Railroad Inventory at 1.7 against SpeakerPro's 1.0. SpeakerPro's advantage is iOS requirement (7.0 vs 18.2). On price, ratings volume, ads and in-app purchases there is nothing between them.

SpeakerPro costs $2.99 and Model Railroad Inventory $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Model Railroad Inventory holds the better App Store score, 1.7 against 1.0. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

## The numbers

| Metric | SpeakerPro | Model Railroad Inventory |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/speakerpro/id1061631115/reviews) | **[1.7 (6 ratings)](https://appshunter.io/ios/app/model-railroad-inventory/id6746935970/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Paid | Paid |
| Size | 4 MB | 0 MB |
| Requires iOS | **7.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AudioAppsStore](https://appshunter.io/developer/549033691) | [No Grave LLC](https://appshunter.io/developer/1789189642) |

## What reviewers say

### SpeakerPro

[App page](https://appshunter.io/ios/app/speakerpro/id1061631115)

Precisely measure speaker distances and toe-in angles using your iPhone or iPad. Ideal for audio enthusiasts and professionals, this app offers intuitive guidance for optimizing your sound system's layout. It works offline and provides accurate measurements within fractions of an inch.

**Highlights:** Precise speaker distance measurement, Intelligent toe-in angle recommendations, Works offline, Accurate to fractions of an inch, Automatic reference calibration, Projects automatically saved

**Features:** macOS Compatibility

**In-app purchases:** none


### Model Railroad Inventory

[App page](https://appshunter.io/ios/app/model-railroad-inventory/id6746935970)

Organize, track, and value your model train collection with detailed specifications, photos, and maintenance logs. Features smart search, custom collections, and professional reporting for enthusiasts and collectors.

**Highlights:** Complete inventory management, Detailed specifications tracking, Photo uploads for visual identification, Smart organization and search, Professional analytics and reporting, Maintenance and history logging, Cloud-based storage and backups

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpeakerPro free?

SpeakerPro costs $2.99, with no in-app purchases.

### Is Model Railroad Inventory free?

Model Railroad Inventory costs $2.99, with no in-app purchases.

### Which has better reviews, SpeakerPro or Model Railroad Inventory?

Model Railroad Inventory is rated higher. SpeakerPro averages 1.0 out of 5 from 4 ratings, while Model Railroad Inventory averages 1.7 from 6 ratings.

### Do SpeakerPro or Model Railroad Inventory have ads?

Neither SpeakerPro nor Model Railroad Inventory shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*