# Waifu Focus vs Stamp

The clearest difference is in-app purchases: Stamp at none against Waifu Focus's 4. Waifu Focus's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Waifu Focus sells 4 in-app purchases, starting at $1.99 per 7 days. Stamp asks for nothing beyond the download.

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

Waifu Focus ships an update every 3 days, Stamp every 3 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Waifu Focus | Stamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/waifu-focus-work-study-timer/id6755710624/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Freemium | **Free** |
| Size | 99 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [RA2 Lab](https://appshunter.io/developer/1802429134) | [Robert Piovesan](https://appshunter.io/developer/1609349291) |

## What reviewers say

### 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 |


### Stamp

[App page](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643)

This app automatically logs your non-meeting activities, like reading or exercise, as calendar events. It offers a one-tap timer for manual logging and integrates with Strava and Whoop for seamless workout and sleep tracking. Your calendar will finally reflect your entire day.

**Highlights:** One-tap start/stop timer, Strava integration for workouts, Whoop integration for sleep and recovery, Syncs with Apple, Google, and Outlook Calendar, Customizable activities with names and colors, Live Activity on Lock Screen and Dynamic Island

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Waifu Focus free?

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

### Is Stamp free?

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

### Which has better reviews, Waifu Focus or Stamp?

Waifu Focus and Stamp are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Waifu Focus or Stamp have ads?

Neither Waifu Focus nor Stamp shows ads.

### Which is updated more often, Waifu Focus or Stamp?

Waifu Focus ships an update every 3 days, and Stamp every 3 weeks. Most recently, Waifu Focus was updated on November 5, 2026 and Stamp on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*