# Thoughts by OPTEN vs Habit Stacker App

The clearest difference is update cadence: Habit Stacker App at every 2 days against Thoughts by OPTEN's every 9 days. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Thoughts by OPTEN against 5.0 for Habit Stacker App. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Thoughts by OPTEN ships an update every 9 days, Habit Stacker App every 2 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Thoughts by OPTEN | Habit Stacker App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/thoughts-by-opten/id6590626917/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/habit-stacker-app/id6792957749/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 38 MB | 4 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPTEN AG](https://appshunter.io/developer/1478298365) | [John Picasso](https://appshunter.io/developer/6792957751) |

## What reviewers say

### Thoughts by OPTEN

[App page](https://appshunter.io/ios/app/thoughts-by-opten/id6590626917)

Effortlessly transform spoken thoughts into text using advanced AI. This tool ensures you never miss an idea, even when you're on the move, by converting voice notes into written messages sent directly to your email.

**Highlights:** Capture ideas quickly, AI voice conversion, Send directly to email, Minimize driving distractions, Safe and efficient idea capture

**Features:** macOS Compatibility

**In-app purchases:** none


### Habit Stacker App

[App page](https://appshunter.io/ios/app/habit-stacker-app/id6792957749)

This app helps you build new routines by linking them to existing daily habits. Track your progress and watch your streaks grow as you consistently achieve your goals.

**Highlights:** Habit stacking technique, Streak tracking, Habit leveling system, Custom habit addition, Daily routine integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Thoughts by OPTEN free?

Thoughts by OPTEN is free to download, with no in-app purchases.

### Is Habit Stacker App free?

Habit Stacker App is free to download, with no in-app purchases.

### Which has better reviews, Thoughts by OPTEN or Habit Stacker App?

Thoughts by OPTEN and Habit Stacker App are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Thoughts by OPTEN or Habit Stacker App have ads?

Neither Thoughts by OPTEN nor Habit Stacker App shows ads.

### Which is updated more often, Thoughts by OPTEN or Habit Stacker App?

Thoughts by OPTEN ships an update every 9 days, and Habit Stacker App every 2 days. Most recently, Thoughts by OPTEN was updated on October 10, 2026 and Habit Stacker App on October 13, 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.*