# hamahama vs Lumio

The clearest difference is in-app purchases: hamahama at none against Lumio's 4. hamahama also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lumio sells 4 one-off in-app purchases. hamahama asks for nothing beyond the download.

hamahama ships an update every 3 weeks, Lumio every 11 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | hamahama | Lumio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 32 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [sangwon kwon](https://appshunter.io/developer/1797055084) | [JunYoung Lee](https://appshunter.io/developer/1865681206) |

## What reviewers say

### hamahama

[App page](https://appshunter.io/ios/app/hamahama-ai-lock-in-timer/id6753915085)

This app uses AI to accurately track your focused study time, automatically pausing when you're away from your desk. It generates study timelapses, provides detailed statistics, and allows you to compete with friends in study groups.

**Highlights:** AI-measured focused study time, Automatic timer pausing, Study timelapse generation, Detailed study statistics, Daily study goals, Friend group competition, Zoom study sessions

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

**In-app purchases:** none


### Lumio

[App page](https://appshunter.io/ios/app/lumio/id6787978660)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 55 Credits Pack | $0.99 | one-time |
| 260 Credits Pack | $1.99 | one-time |
| 650 Credits Pack | $4.99 | one-time |
| 2000 Credits Pack | $9.99 | one-time |


## Frequently asked questions

### Is hamahama free?

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

### Is Lumio free?

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

### Do hamahama or Lumio have ads?

Neither hamahama nor Lumio shows ads.

### Which is updated more often, hamahama or Lumio?

hamahama ships an update every 3 weeks, and Lumio every 11 days. Most recently, hamahama was updated on October 30, 2026 and Lumio on October 28, 2026.

---

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