# The Y Principle vs Waifu Focus

The clearest difference is update cadence: Waifu Focus at every 3 days against The Y Principle's every 3 weeks. The Y Principle's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. The Y Principle sells 5 in-app purchases, starting at $5.99 per month and Waifu Focus sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

The Y Principle ships an update every 3 weeks, Waifu Focus every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | The Y Principle | Waifu Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/waifu-focus-work-study-timer/id6755710624/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 44 MB | 99 MB |
| Requires iOS | 14 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [taskfabric ltd](https://appshunter.io/developer/719533762) | [RA2 Lab](https://appshunter.io/developer/1802429134) |

## What reviewers say

### The Y Principle

[App page](https://appshunter.io/ios/app/the-y-principle/id1632870479)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Quarterly | $15.99 | per 3 months |
| Pro Yearly | $49.99 | per year |
| "Ask AI" Token Base Pack | $2.99 | one-time |
| "Ask AI" Token Big Pack | $7.99 | one-time |


### Waifu Focus

[App page](https://appshunter.io/ios/app/waifu-focus-work-study-timer/id6755710624)

Enhance your productivity and well-being with virtual anime companions. Use focused work, study, workout, and nap timers with lo-fi beats. Unlock new characters and track your progress to build healthy habits.

**Highlights:** Anime companions for focus, Lo-fi and ambience sounds, Pomodoro and custom timers, Workout and nap modes, Unlockable characters and rewards, Habit tracking and progress charts

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $19.99 | per year |
| Billed Once | $39.99 | one-time |


## Frequently asked questions

### Is The Y Principle free?

The Y Principle is free to download, with in-app purchases available.

### Is Waifu Focus free?

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

### Do The Y Principle or Waifu Focus have ads?

Neither The Y Principle nor Waifu Focus shows ads.

### Which is updated more often, The Y Principle or Waifu Focus?

The Y Principle ships an update every 3 weeks, and Waifu Focus every 3 days. Most recently, The Y Principle was updated on November 3, 2026 and Waifu Focus 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.*