# Symptom Checker & Medication vs Previa

The clearest difference is review sentiment: Previa at 100% against Symptom Checker & Medication's 0%. Previa also leads on rating (5.0 vs 1.0) and ads (none vs shown). Symptom Checker & Medication's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Previa sells 3 one-off in-app purchases. Symptom Checker & Medication asks for nothing beyond the download.

Previa holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Previa has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Symptom Checker & Medication's written reviews are positive against 100% of Previa's.

Symptom Checker & Medication ships an update every 7 months, Previa every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Symptom Checker & Medication | Previa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/symptom-checker-and-medication/id1644111860/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/previa/id6767003039/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 26 MB | 9 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [FRIENDSAPP LISTING](https://appshunter.io/developer/1628261434) | [Dmitriy Kourtchikov](https://appshunter.io/developer/1891158262) |

## What reviewers say

### Symptom Checker & Medication

[App page](https://appshunter.io/ios/app/symptom-checker-and-medication/id1644111860)

This medical tool helps users identify potential diseases based on their symptoms and provides comprehensive drug and disease information. It also includes various health calculators for tracking key body metrics.

**Highlights:** Symptom checker for disease identification, Drug information search, Disease identification, BMI calculator, BMR calculator, Body fat percentage calculator

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

**In-app purchases:** none


### Previa

[App page](https://appshunter.io/ios/app/previa/id6767003039)

Prepare for doctor's appointments by describing your symptoms. This AI-powered tool identifies potential overlooked symptoms and suggests relevant tests to discuss with your physician. It prioritizes your health information for more productive consultations, keeping all data private on your device.

**Highlights:** AI symptom analysis, Prioritized test recommendations, Session history, Report translation, Recipient tracking, Profile-aware analysis, Multi-language support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Previa Basic Pack | $0.99 | one-time |
| Previa Standard Pack | $1.99 | one-time |
| Previa Value Pack | $3.49 | one-time |


## Frequently asked questions

### Is Symptom Checker & Medication free?

Symptom Checker & Medication is free to download, with no in-app purchases.

### Is Previa free?

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

### Which has better reviews, Symptom Checker & Medication or Previa?

Previa is rated higher. Symptom Checker & Medication averages 1.0 out of 5 from 1 ratings, while Previa averages 5.0 from 6 ratings.

### Do Symptom Checker & Medication or Previa have ads?

Symptom Checker & Medication shows ads; Previa does not.

### Which is updated more often, Symptom Checker & Medication or Previa?

Symptom Checker & Medication ships an update every 7 months, and Previa every 2 months. Most recently, Symptom Checker & Medication was updated on November 4, 2026 and Previa on October 31, 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.*