# iVisionTester vs Code Blue CPR

The clearest difference is review sentiment: Code Blue CPR at 80% against iVisionTester's 0%. Code Blue CPR also leads on rating (4.5 vs 1.0) and update cadence (every 3 weeks vs every 38 months). iVisionTester's advantage is price ($0.99 vs $7.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

iVisionTester costs $0.99 and Code Blue CPR $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Code Blue CPR holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Code Blue CPR has 37 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of iVisionTester's written reviews are positive against 80% of Code Blue CPR's.

iVisionTester ships an update every 38 months, Code Blue CPR every 3 weeks. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iVisionTester | Code Blue CPR |
| --- | --- | --- |
| Price | **$0.99** | $7.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ivisiontester/id473191853/reviews) | **[4.5 (37 ratings)](https://appshunter.io/ios/app/code-blue-cpr-acls-timer/id1640636826/reviews)** |
| Number of ratings | 1 | **37** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#55** |
| Size | 1 MB | 107 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Nicholas Wilson](https://appshunter.io/developer/440497890) | [Michael Mattesco Horta](https://appshunter.io/developer/1640636828) |

## What reviewers say

### iVisionTester

[App page](https://appshunter.io/ios/app/ivisiontester/id473191853)

Test and compare your visual sensitivity across red, green, blue, and light/dark perception. Compete with others in your age group online and identify potential visual issues before an optician visit.

**Highlights:** Visual sensitivity testing, Compare across 4 categories, Online age group comparison, Identify visual problems, Easy 5-step process

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

**In-app purchases:** none


### Code Blue CPR

[App page](https://appshunter.io/ios/app/code-blue-cpr-acls-timer/id1640636826)

**Currently charting:** #55 Top Paid · Medical (US App Store)

This professional medical app assists healthcare providers during cardiac arrest and resuscitation events by precisely tracking CPR cycles, medication timing, rhythms, and procedures. It offers customizable workflows, real-time event logging, and post-code reporting tools, all based on current resuscitation guidelines.

**Highlights:** Dual CPR & Epinephrine Timers, Real-time Event Logging, Compression Fraction Tracking, Customizable Medications & Procedures, First Responder Mode, Code History & PDF Export, Integrated ACLS & Resuscitation Flowcharts

**In-app purchases:** none


## Frequently asked questions

### Is iVisionTester free?

iVisionTester costs $0.99, with no in-app purchases.

### Is Code Blue CPR free?

Code Blue CPR costs $7.99, with no in-app purchases.

### Which has better reviews, iVisionTester or Code Blue CPR?

Code Blue CPR is rated higher. iVisionTester averages 1.0 out of 5 from 1 ratings, while Code Blue CPR averages 4.5 from 37 ratings.

### Do iVisionTester or Code Blue CPR have ads?

Neither iVisionTester nor Code Blue CPR shows ads.

### Which is updated more often, iVisionTester or Code Blue CPR?

iVisionTester ships an update every 38 months, and Code Blue CPR every 3 weeks. Most recently, iVisionTester was updated on October 2, 2026 and Code Blue CPR on October 12, 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.*