# Project Des Moines vs Name That Key

The clearest difference is in-app purchases: Project Des Moines at none against Name That Key's 1. Project Des Moines also leads on iOS requirement (16.0 vs 18.6). Name That Key's advantage is update cadence (every 2 days vs every 5 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Name That Key sells 1 in-app purchase, starting at $12.99 per year. Project Des Moines asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Project Des Moines against 5.0 for Name That Key. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Project Des Moines ships an update every 5 months, Name That Key every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Project Des Moines | Name That Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/project-des-moines/id1487206805/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/name-that-key-ear-training/id6795194903/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 17 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Curatescape](https://appshunter.io/developer/999944336) | [Barry Bernau](https://appshunter.io/developer/475500666) |

## What reviewers say

### Project Des Moines

[App page](https://appshunter.io/ios/app/project-des-moines/id1487206805)

Explore the rich history of Des Moines through an interactive, GPS-enabled map. Discover details about significant people, places, and events, enhanced with archival images and historical publications. This educational tool was created by the Des Moines Public Library.

**Highlights:** Interactive GPS-enabled map, Historical information on people, places, events, Archival images and publications, Location-based historical discovery, Developed by Des Moines Public Library

**In-app purchases:** none


### Name That Key

[App page](https://appshunter.io/ios/app/name-that-key-ear-training/id6795194903)

Develop your musical ear by learning to identify song keys and understand music theory. This app offers structured lessons, interactive exercises, and a game to test your skills with real music. It provides tools for tuning, rhythm, and chord analysis.

**Highlights:** Learn to identify song keys, Interactive music theory lessons, Real music song game, Tune by ear exercises, Metronome with multiple meters, Circle of Fifths tool, Chord progression player

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Name That Key: Kit Membership | $12.99 | per year |


## Frequently asked questions

### Is Project Des Moines free?

Project Des Moines is free to download, with no in-app purchases.

### Is Name That Key free?

Name That Key is free to download, with in-app purchases available.

### Which has better reviews, Project Des Moines or Name That Key?

Project Des Moines and Name That Key are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Project Des Moines or Name That Key have ads?

Neither Project Des Moines nor Name That Key shows ads.

### Which is updated more often, Project Des Moines or Name That Key?

Project Des Moines ships an update every 5 months, and Name That Key every 2 days. Most recently, Project Des Moines was updated on November 3, 2026 and Name That Key on October 31, 2026.

---

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