# PrincipleX vs Halfmind Todo

The clearest difference is in-app purchases: Halfmind Todo at none against PrincipleX's 5. Halfmind Todo also leads on iOS requirement (14.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PrincipleX sells 5 in-app purchases, starting at $2.99 per month. Halfmind Todo asks for nothing beyond the download.

PrincipleX ships an update monthly, Halfmind Todo every 5 weeks. The most recent releases landed on September 17, 2026 and June 23, 2026 respectively.

## The numbers

| Metric | PrincipleX | Halfmind Todo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/principlex-principles-and-notes/id6479702612/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 5 MB | 130 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [旭 夏](https://appshunter.io/developer/1494807611) | [Haflmind Technology (Dongguan) Co,. LTD.](https://appshunter.io/developer/1779739293) |

## What reviewers say

### PrincipleX

[App page](https://appshunter.io/ios/app/principlex-principles-and-notes/id6479702612)

Capture, reflect on, and grow with your personal principles. This app helps you organize your guiding beliefs and build the habit of living by them through daily reminders and journaling.

**Highlights:** Create and organize personal principles, Manage principles with folders and tags, Daily principle practice reminders, Reflective journaling for personal growth, Pin important principles for daily focus, iCloud sync across devices

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $14.99 | per year |
| A Coffee | $1.00 | one-time |
| Signature Color | $3.00 | one-time |
| Lifetime Access | $9.99 | one-time |


### Halfmind Todo

[App page](https://appshunter.io/ios/app/halfmind-todo/id6738200778)

**In-app purchases:** none


## Frequently asked questions

### Is PrincipleX free?

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

### Is Halfmind Todo free?

Halfmind Todo is free to download, with no in-app purchases.

### Do PrincipleX or Halfmind Todo have ads?

Neither PrincipleX nor Halfmind Todo shows ads.

### Which is updated more often, PrincipleX or Halfmind Todo?

PrincipleX ships an update monthly, and Halfmind Todo every 5 weeks. Most recently, PrincipleX was updated on September 17, 2026 and Halfmind Todo on June 23, 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.*