# REN vs Symptom Tracker+

The clearest difference is in-app purchases: REN at none against Symptom Tracker+'s 17. REN also leads on rating (4.3 vs 4.0). Symptom Tracker+'s advantage is ratings volume (68 vs 4) and device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Symptom Tracker+ sells 16 in-app purchases, starting at $4.95 per month. REN asks for nothing beyond the download.

REN holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Symptom Tracker+ has 68 ratings behind it against 4, so its average is the more settled of the two.

REN ships an update every 5 weeks, Symptom Tracker+ every 2 months. The most recent releases landed on June 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | REN | Symptom Tracker+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/ren-test/id1472075429/reviews)** | [4.0 (68 ratings)](https://appshunter.io/ios/app/symptom-tracker-plus/id1631692692/reviews) |
| Number of ratings | 4 | **68** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 214 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Bold Type LLC](https://appshunter.io/developer/1434471826) | [CARECLINIC SOFTWARE INC.](https://appshunter.io/developer/1436021751) |

## What reviewers say

### REN

[App page](https://appshunter.io/ios/app/ren-test/id1472075429)

This application connects to a medical device for participants in a clinical trial. It offers visual feedback during prescribed exercise routines. Access is restricted to individuals enrolled in the REN-## clinical trial.

**Highlights:** Connects to medical device, Visual exercise feedback, Prescribed exercise routines, Clinical trial participant use

**Features:** macOS Compatibility

**In-app purchases:** none


### Symptom Tracker+

[App page](https://appshunter.io/ios/app/symptom-tracker-plus/id1631692692)

Easily log and analyze your health symptoms, medications, and lifestyle factors to gain insights into your well-being. Generate reports for your doctor and manage your health journey with personalized tracking and reminders.

**Highlights:** Track 2,000+ symptoms, Log medications, nutrition, sleep, activity, vitals, Analyze hidden health patterns, Generate reports for healthcare team, Manage appointments and care team info, Personalize tracking modules, Set medication and check-in reminders

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flex pass | $4.95 | per month |
| easy pass | $5.99 | per 7 days |
| weather max | $9.99 | per 3 months |
| flex pass | $9.99 | per month |
| smart pass | $19.99 | per year |
| carey ai ultra | $29.99 | per month |
| smart pass | $34.99 | per year |
| your free week | $49.99 | per year |
| 7-Day Trial | $49.99 | per year |
| limited sale | $49.99 | per year |
| limited deal | $49.99 | per year |
| select pass | $49.99 | per year |
| full access | $59.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $149.99 | one-time |


## Frequently asked questions

### Is REN free?

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

### Is Symptom Tracker+ free?

Symptom Tracker+ is free to download, with in-app purchases available.

### Which has better reviews, REN or Symptom Tracker+?

REN is rated higher. REN averages 4.3 out of 5 from 4 ratings, while Symptom Tracker+ averages 4.0 from 68 ratings.

### Do REN or Symptom Tracker+ have ads?

Neither REN nor Symptom Tracker+ shows ads.

### Which is updated more often, REN or Symptom Tracker+?

REN ships an update every 5 weeks, and Symptom Tracker+ every 2 months. Most recently, REN was updated on June 8, 2026 and Symptom Tracker+ on October 6, 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.*