# 6FTMethod Tracker vs Hydrelle

The clearest difference is ads: 6FTMethod Tracker at none against Hydrelle's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 6FTMethod Tracker sells 8 in-app purchases, starting at $1.99 per month and Hydrelle sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

6FTMethod Tracker ships an update fortnightly, Hydrelle every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | 6FTMethod Tracker | Hydrelle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 39 MB | 85 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KANATA KAGAYA](https://appshunter.io/developer/1887410605) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## What reviewers say

### 6FTMethod Tracker

[App page](https://appshunter.io/ios/app/6ftmethod-tracker/id6761032000)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Plan | $1.99 | per month |
| Premium Plan | $5.99 | per month |
| 完全版テキスト | $19.99 | one-time |
| 買い切りプラン | $29.99 | one-time |
| 動画講座プラン | $29.99 | one-time |
| 個人サポート | $59.99 | one-time |
| サポートパック | $99.99 | one-time |
| コンプリートパック | $119.99 | one-time |


### Hydrelle

[App page](https://appshunter.io/ios/app/hydrelle-water-tracker/id6761470806)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Annual Premium | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is 6FTMethod Tracker free?

6FTMethod Tracker is free to download, with in-app purchases available.

### Is Hydrelle free?

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

### Do 6FTMethod Tracker or Hydrelle have ads?

Hydrelle shows ads; 6FTMethod Tracker does not.

### Which is updated more often, 6FTMethod Tracker or Hydrelle?

6FTMethod Tracker ships an update fortnightly, and Hydrelle every 3 weeks. Most recently, 6FTMethod Tracker was updated on October 31, 2026 and Hydrelle 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.*