# CerebroLab vs Symloom

The clearest difference is in-app purchases: CerebroLab at none against Symloom's 2. CerebroLab also leads on update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Symloom sells 2 in-app purchases, starting at $7.99 per month. CerebroLab asks for nothing beyond the download.

CerebroLab ships an update every 4 days, Symloom monthly. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CerebroLab | Symloom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/symloom-symptom-tracker/id6793261665/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Freemium |
| Size | 44 MB | 110 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [CerebroLab, LLC](https://appshunter.io/developer/1869087642) | [AppEcho Labs ,LLC](https://appshunter.io/developer/1701185869) |

## What reviewers say

### CerebroLab

[App page](https://appshunter.io/ios/app/cerebrolab/id6757816575)

**Features:** macOS Compatibility

**In-app purchases:** none


### Symloom

[App page](https://appshunter.io/ios/app/symloom-symptom-tracker/id6793261665)

This app helps adults with chronic symptoms track their health by logging flares, triggers, medications, and daily context. Review your history with clear insights and prepare for appointments with exportable reports. It prioritizes user privacy and does not use health information for advertising.

**Highlights:** Symptom logging with curated library, Track triggers, meds, mood, sleep, and more, Private health diary timeline, Personalized pattern insights, PDF/CSV health reports, Optional Apple Health integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trace Pro Monthly | $7.99 | per month |
| Trace Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is CerebroLab free?

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

### Is Symloom free?

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

### Do CerebroLab or Symloom have ads?

Neither CerebroLab nor Symloom shows ads.

### Which is updated more often, CerebroLab or Symloom?

CerebroLab ships an update every 4 days, and Symloom monthly. Most recently, CerebroLab was updated on October 19, 2026 and Symloom on October 8, 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.*