# ROP Score 3 vs NeoFast Calc

The clearest difference is in-app purchases: ROP Score 3 at none against NeoFast Calc's 2. ROP Score 3 also leads on review sentiment (100% vs 80%) and iOS requirement (9.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. NeoFast Calc sells 2 in-app purchases, starting at $5.99 per month. ROP Score 3 asks for nothing beyond the download.

## The numbers

| Metric | ROP Score 3 | NeoFast Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 195 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [German Parisi](https://appshunter.io/developer/1434696870) | [Ponto Direto Tech Ltda](https://appshunter.io/developer/1789425714) |

## What reviewers say

### ROP Score 3

[App page](https://appshunter.io/ios/app/rop-score-3/id1475993252)

This medical app predicts severe retinopathy of prematurity (ROP) using specific parameters. It aims to reduce unnecessary screenings in low-risk infants by calculating a score at 2 or 6 weeks of life. Key inputs include birth weight, gestational age, and weight gain.

**Highlights:** Predicts severe ROP, Calculates score at 2 or 6 weeks, Reduces unnecessary screenings, Uses birth weight and gestational age, Considers weight gain and medical history

**Features:** macOS Compatibility

**In-app purchases:** none


### NeoFast Calc

[App page](https://appshunter.io/ios/app/neofast-calc/id6740295230)

This medical reference tool simplifies daily tasks for healthcare professionals caring for newborns and children. It provides evidence-based prescribing assistance, drug interaction information, and extensive data on over 990 drug presentations.

**Highlights:** Neonatal and pediatric prescribing assistance, Drug interaction and antagonist information, Adverse reaction and brand name details, Dose adjustment for renal/hepatic impairment, Extensive drug presentation database, Bibliographic references

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NeoFast® - Monthly Plan | $5.99 | per month |
| NeoFast® - Yearly Plan | $59.99 | per year |


## Frequently asked questions

### Is ROP Score 3 free?

ROP Score 3 is free to download, with no in-app purchases.

### Is NeoFast Calc free?

NeoFast Calc is free to download, with in-app purchases available.

### Do ROP Score 3 or NeoFast Calc have ads?

Neither ROP Score 3 nor NeoFast Calc shows ads.

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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.*