# Prevent Senior vs Nav Dasa

The clearest difference is review sentiment: Nav Dasa at 86% against Prevent Senior's 0%. Nav Dasa also leads on rating (4.9 vs 3.1) and update cadence (every 6 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Nav Dasa holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Nav Dasa has 287 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 0% of Prevent Senior's written reviews are positive against 86% of Nav Dasa's.

Prevent Senior ships an update every 3 weeks, Nav Dasa every 6 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Prevent Senior | Nav Dasa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (23 ratings)](https://appshunter.io/ios/app/prevent-senior/id1460593382/reviews) | **[4.9 (287 ratings)](https://appshunter.io/ios/app/nav-dasa-exames-e-consultas/id1553834596/reviews)** |
| Number of ratings | 23 | **287** |
| Positive reviews | 0.0% of reviews | **85.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 177 MB | 131 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | +17 |
| Developer | [Prevent Senior](https://appshunter.io/developer/942404225) | [Diagnosticos da America S/A](https://appshunter.io/developer/1022958720) |

## What reviewers say

### Prevent Senior

[App page](https://appshunter.io/ios/app/prevent-senior/id1460593382)

Manage your health plan with ease. Access your virtual ID card, schedule appointments and teleconsultations, find healthcare providers, and view billing information. Submit documents and update your personal details all within the app.

**Highlights:** Virtual ID card, Appointment scheduling, Teleconsultations, Healthcare network search, Billing and payment access, Document submission, Profile management

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

**In-app purchases:** none


### Nav Dasa

[App page](https://appshunter.io/ios/app/nav-dasa-exames-e-consultas/id1553834596)

Access online medical consultations with specialists and manage your health records. Schedule exams and track your results from Dasa laboratories, all within a comprehensive health platform.

**Highlights:** Online medical consultations, Schedule exams and vaccines, Access exam results, Create health history, Share results with doctors, Find nearby labs

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast results
- 👍 Practical and efficient
- 👍 Convenient for scheduling
- 👍 Good for viewing results

**What reviewers complain about**

- 🐛 Registration issues
- 🐛 WhatsApp support is automated
- 🐛 Difficulty with date selection
- 🐛 Camera and microphone problems
- 🐛 Slow loading times for scheduling

**Reported bugs**

- Cannot register
- WhatsApp support is automated
- Cannot select past dates for menstruation
- Camera or microphone issues during calls
- Slow loading when scheduling

**Requested features**

- Send notification when exam is ready
- Update app to search professionals by name
- Allow pre-scheduling of future appointments
- Share exam results in CDA format
- Improve date selection for past dates


## Frequently asked questions

### Is Prevent Senior free?

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

### Is Nav Dasa free?

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

### Which has better reviews, Prevent Senior or Nav Dasa?

Nav Dasa is rated higher. Prevent Senior averages 3.1 out of 5 from 23 ratings, while Nav Dasa averages 4.9 from 287 ratings.

### Do Prevent Senior or Nav Dasa have ads?

Neither Prevent Senior nor Nav Dasa shows ads.

### Which is updated more often, Prevent Senior or Nav Dasa?

Prevent Senior ships an update every 3 weeks, and Nav Dasa every 6 days. Most recently, Prevent Senior was updated on November 3, 2026 and Nav Dasa on November 3, 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.*