# Principles App vs Disciplined

The clearest difference is iOS requirement: Disciplined at 16.0 against Principles App's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Principles App sells 1 in-app purchase, starting at $1.99 per month and Disciplined sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Principles App ships an update every 5 weeks, Disciplined every 3 weeks. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Principles App | Disciplined |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (281 ratings)](https://appshunter.io/ios/app/disciplined-habit-tracker/id6474854656/reviews)** |
| Number of ratings | — | **281** |
| Positive reviews | — | 89.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 39 MB |
| Requires iOS | 26.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [RS9 Systems Pty Ltd](https://appshunter.io/developer/1708861804) | [Tip Tap Apps](https://appshunter.io/developer/1257263778) |

## What reviewers say

### Principles App

[App page](https://appshunter.io/ios/app/principles-app/id6467618900)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Principles Unlimited Monthly | $1.99 | per month |


### Disciplined

[App page](https://appshunter.io/ios/app/disciplined-habit-tracker/id6474854656)

Build lasting habits with a straightforward tracker focused on maintaining your streak. Easily manage daily tasks, track progress, and receive smart reminders to stay consistent. Designed for those committed to self-improvement.

**Highlights:** Daily habit tracking, Streak tracking, Smart reminders, Progress and statistics, Flexible scheduling, Multi-device sync, Home screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disciplined Prime Monthly | $1.99 | per month |
| Disciplined Prime Yearly | $9.99 | per year |
| Disciplined Prime Lifetime | $29.99 | one-time |

**What reviewers like**

- 🚀 Smooth and intuitive interface
- 👍 Customizable habits and reminders
- 🎨 Visually appealing design
- 📊 Helpful progress tracking and statistics
- 🔓 Unlimited free habits

**What reviewers complain about**

- 🔒 Lifetime activation code issues with uninstall
- 💰 Subscription model concerns

**Reported bugs**

- Emoji function not working as expected
- Widget not updating completed habits

**Requested features**

- Ability to reorder habits on the main screen
- Option to sort habits by various criteria
- Integration with health/fitness data
- Habit history view to compare progress over time
- Habit locking/privacy feature


## Frequently asked questions

### Is Principles App free?

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

### Is Disciplined free?

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

### Do Principles App or Disciplined have ads?

Neither Principles App nor Disciplined shows ads.

### Which is updated more often, Principles App or Disciplined?

Principles App ships an update every 5 weeks, and Disciplined every 3 weeks. Most recently, Principles App was updated on October 11, 2026 and Disciplined on October 22, 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.*