# Principles vs PomoJava

The clearest difference is in-app purchases: Principles at none against PomoJava's 2. Principles also leads on update cadence (weekly vs every 5 weeks). PomoJava's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. PomoJava sells 2 in-app purchases, starting at $2.99 per month. Principles asks for nothing beyond the download.

Principles ships an update weekly, PomoJava every 5 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Principles | PomoJava |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 148 MB | 86 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bohdan Bats](https://appshunter.io/developer/1749778725) | [Nordic Social Media AB](https://appshunter.io/developer/1591472020) |

## What reviewers say

### Principles

[App page](https://appshunter.io/ios/app/principles-habits-for-goals/id6503646940)

**Features:** macOS Compatibility

**In-app purchases:** none


### PomoJava

[App page](https://appshunter.io/ios/app/pomojava-deep-work-timer/id6757279483)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PomoJava Premium Monthly | $2.99 | per month |
| PomoJava Premium Weekly | $24.99 | per year |


## Frequently asked questions

### Is Principles free?

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

### Is PomoJava free?

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

### Do Principles or PomoJava have ads?

Principles shows ads; PomoJava does not.

### Which is updated more often, Principles or PomoJava?

Principles ships an update weekly, and PomoJava every 5 weeks. Most recently, Principles was updated on September 21, 2026 and PomoJava on September 9, 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.*