# Rapid Cycling vs Steadyline

The clearest difference is in-app purchases: Rapid Cycling at none against Steadyline's 4. Steadyline's advantage is update cadence (every 8 days vs every 6 weeks) and iOS requirement (16.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Steadyline sells 4 in-app purchases, starting at $3.99 per month. Rapid Cycling asks for nothing beyond the download.

Rapid Cycling ships an update every 6 weeks, Steadyline every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rapid Cycling | Steadyline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (7 ratings)](https://appshunter.io/ios/app/steadyline-bipolar-tracker/id6763089476/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 1 MB | 66 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Michal Horowic](https://appshunter.io/developer/1812494450) | [Ravi Mishra](https://appshunter.io/developer/1895157347) |

## What reviewers say

### Rapid Cycling

[App page](https://appshunter.io/ios/app/rapid-cycling/id6745490100)

**Features:** macOS Compatibility

**In-app purchases:** none


### Steadyline

[App page](https://appshunter.io/ios/app/steadyline-bipolar-tracker/id6763089476)

Log your mood, sleep, medication, and symptoms to understand bipolar patterns. Generate reports for appointments and gain insights through AI-powered analysis. Keep a private, detailed record of your well-being.

**Highlights:** Mood and energy tracking, Sleep duration and quality logging, Medication records, Daily notes and journal entries, Symptom and habit tracking, Pattern analysis and trend identification, AI-powered data exploration (SAM), Shareable reports for doctors

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Steadyline Premium Monthly | $3.99 | per month |
| Steadyline Core | $4.99 | per month |
| Steadyline Core Yearly | $29.99 | per year |
| Steadyline Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Rapid Cycling free?

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

### Is Steadyline free?

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

### Do Rapid Cycling or Steadyline have ads?

Neither Rapid Cycling nor Steadyline shows ads.

### Which is updated more often, Rapid Cycling or Steadyline?

Rapid Cycling ships an update every 6 weeks, and Steadyline every 8 days. Most recently, Rapid Cycling was updated on October 30, 2026 and Steadyline 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.*