# 6FTMethod Tracker vs Serelle

The clearest difference is ads: 6FTMethod Tracker at none against Serelle's shown. 6FTMethod Tracker also leads on update cadence (fortnightly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 6FTMethod Tracker sells 8 in-app purchases, starting at $1.99 per month and Serelle sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

6FTMethod Tracker ships an update fortnightly, Serelle monthly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 6FTMethod Tracker | Serelle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Size | 39 MB | 87 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 |


### Serelle

[App page](https://appshunter.io/ios/app/serelle-mood-and-stress-diary/id6762105587)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $22.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is 6FTMethod Tracker free?

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

### Is Serelle free?

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

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

Serelle shows ads; 6FTMethod Tracker does not.

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

6FTMethod Tracker ships an update fortnightly, and Serelle monthly. Most recently, 6FTMethod Tracker was updated on October 31, 2026 and Serelle on November 5, 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.*