# CampusShield vs Instrument Identification

The clearest difference is review sentiment: CampusShield at 55% against Instrument Identification's 0%. CampusShield also leads on rating (4.3 vs 1.0) and ads (none vs shown). Instrument Identification's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CampusShield holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: CampusShield has 90 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 55% of CampusShield's written reviews are positive against 0% of Instrument Identification's.

CampusShield ships an update every 2 months, Instrument Identification every 2 weeks. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CampusShield | Instrument Identification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (90 ratings)](https://appshunter.io/ios/app/campusshield/id1019136154/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/instrument-identification/id6737651815/reviews) |
| Number of ratings | **90** | 3 |
| Positive reviews | **54.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 43 MB | 36 MB |
| Requires iOS | **13.2** | 15.8.3 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [911Cellular](https://appshunter.io/developer/1107605923) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### CampusShield

[App page](https://appshunter.io/ios/app/campusshield/id1019136154)

This mobile safety app acts as a software panic button, connecting you instantly to campus security. Receive emergency alerts via push notification and stay informed about campus events and happenings.

**Highlights:** Software panic button, Emergency alerts via push notification, Instant connection to campus security, Campus event information, Mobile safety tool

**In-app purchases:** none


### Instrument Identification

[App page](https://appshunter.io/ios/app/instrument-identification/id6737651815)

This utility app helps you identify musical instruments by analyzing the sounds they produce. It currently supports a range of common instruments like guitar, piano, and trumpet.

**Highlights:** Identify instruments by sound, Supports guitar, piano, organ, Supports trumpet, trombone, violin, Supports cello, clarinet, harp

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CampusShield free?

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

### Is Instrument Identification free?

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

### Which has better reviews, CampusShield or Instrument Identification?

CampusShield is rated higher. CampusShield averages 4.3 out of 5 from 90 ratings, while Instrument Identification averages 1.0 from 3 ratings.

### Do CampusShield or Instrument Identification have ads?

Instrument Identification shows ads; CampusShield does not.

### Which is updated more often, CampusShield or Instrument Identification?

CampusShield ships an update every 2 months, and Instrument Identification every 2 weeks. Most recently, CampusShield was updated on October 5, 2026 and Instrument Identification on September 23, 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.*