# SympNote vs Bike Dynamics

The clearest difference is in-app purchases: SympNote at none against Bike Dynamics's 2. SympNote also leads on iOS requirement (18.6 vs 26.5). Bike Dynamics's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Bike Dynamics sells 2 one-off in-app purchases. SympNote asks for nothing beyond the download.

SympNote ships an update every 3 weeks, Bike Dynamics every 3 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SympNote | Bike Dynamics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/bike-dynamics/id6812074998/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 25 MB | 24 MB |
| Requires iOS | **18.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Preuss](https://appshunter.io/developer/1817966728) | [FLORENTIN TOBIAS ERB](https://appshunter.io/developer/1833913213) |

## What reviewers say

### SympNote

[App page](https://appshunter.io/ios/app/sympnote-symptom-tracker/id6746699466)

This app allows you to privately track your symptoms, mood, and overall well-being. It offers a structured journal with customizable categories, clear charts for progress analysis, and the ability to attach media. Your data is stored completely offline and is not shared.

**Highlights:** Symptom and mood tracking, Customizable journal categories, Progress analysis with charts, Attach photos, videos, and documents, Data export (CSV, PDF), 100% offline and private, Integrated mood tracker with reminders

**Features:** Family Sharing

**In-app purchases:** none


### Bike Dynamics

[App page](https://appshunter.io/ios/app/bike-dynamics/id6812074998)

This app transforms your Apple Watch into a mountain biking sensor, analyzing motion and GPS data to provide detailed insights into your rides. Track jumps, corners, and speed, then replay and compare your runs on a synchronized map and timeline. It also offers an AI coach to discuss your performance and technique.

**Highlights:** Ride analysis with map and timeline, Jump, corner, and control detection, Airtime, jump distance, and speed tracking, Repeated trail section recognition, Personal performance archive, AI coach for ride reflection, Strava export

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bike Dynamics Trial | Free | one-time |
| Bike Dynamics Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is SympNote free?

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

### Is Bike Dynamics free?

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

### Do SympNote or Bike Dynamics have ads?

Neither SympNote nor Bike Dynamics shows ads.

### Which is updated more often, SympNote or Bike Dynamics?

SympNote ships an update every 3 weeks, and Bike Dynamics every 3 days. Most recently, SympNote was updated on October 7, 2026 and Bike Dynamics 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.*