# FCS Buddy vs TideFlow

The clearest difference is update cadence: FCS Buddy at every 3 days against TideFlow's every 3 weeks. TideFlow's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FCS Buddy sells 2 in-app purchases, starting at $12.99 per year and TideFlow sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

FCS Buddy ships an update every 3 days, TideFlow every 3 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FCS Buddy | TideFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (37 ratings)](https://appshunter.io/ios/app/tideflow-relax-sleep-tracker/id6747417486/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 97.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 162 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sentia Australia Pty Ltd](https://appshunter.io/developer/503081290) | [哲研 张](https://appshunter.io/developer/1738725790) |

## What reviewers say

### FCS Buddy

[App page](https://appshunter.io/ios/app/fcs-buddy-wellness-tracker/id6477262300)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FCS Buddy Plus | $12.99 | per year |
| FCS Buddy Plus | $29.99 | one-time |


### TideFlow

[App page](https://appshunter.io/ios/app/tideflow-relax-sleep-tracker/id6747417486)

This app helps you improve your sleep quality through science-backed methods and real-world experience. It offers personalized plans, AI coaching, and guided meditations to overcome insomnia and restore healthy sleep patterns.

**Highlights:** Sleep Depth Analysis Reports, Insomnia Type Assessment, Personalized Sleep Improvement Plan, AI Sleep Coach, Curated Meditation Library, Actionable Guidance

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TideFlow Weekly Premium | $2.99 | per 7 days |
| TideFlow Monthly Premium | $9.99 | per month |


## Frequently asked questions

### Is FCS Buddy free?

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

### Is TideFlow free?

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

### Do FCS Buddy or TideFlow have ads?

Both FCS Buddy and TideFlow show ads.

### Which is updated more often, FCS Buddy or TideFlow?

FCS Buddy ships an update every 3 days, and TideFlow every 3 weeks. Most recently, FCS Buddy was updated on November 4, 2026 and TideFlow on October 30, 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.*