CampusShield vs Instrument Identification
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CampusShield
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.
- Software panic button
- Emergency alerts via push notification
- Instant connection to campus security
- Campus event information
- Mobile safety tool
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Stay safer on campus by using our mobile safety app to keep you connected. This mobile safety app is a software panic button that also receives emergency alerts via push notification. CampusShield provides instant access to your campus’s security and emergency response team and it's loaded with extra features to keep you informed on campus events and happenings.
Instrument Identification
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.
- Identify instruments by sound
- Supports guitar, piano, organ
- Supports trumpet, trombone, violin
- Supports cello, clarinet, harp
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Identifying instruments from the sounds they play *Instruments to identify: guitar, piano, organ, trumpet, trombone, violin, cello, clarinet, harp
Screenshots
Verdict
The clearest difference is review sentiment: CampusShield at 50% against Instrument Identification's 0%. CampusShield also leads on rating (4.4 vs 2.0) and ads (none vs shown). Instrument Identification's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, 4.4 against 2.0. That said, the two scores are not equally well evidenced: CampusShield has 105 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% 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 November 1, 2026 and October 30, 2026 respectively.
| Parameter | CampusShield | Instrument Identification |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (105 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 105 — better | 4 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 39 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | 911Cellular | Hideaki Uchikoshi |
Customer experience
CampusShield
Instrument Identification
In-app purchases
CampusShield
No in-app purchases
Instrument Identification
No in-app purchases
Questions
Is CampusShield free?
Is Instrument Identification free?
Which has better reviews, CampusShield or Instrument Identification?
Do CampusShield or Instrument Identification have ads?
Which is updated more often, CampusShield or Instrument Identification?
Other comparisons
