# Lumisera — Focus with a spirit of light

> App blocker to complete tasks and build focus habits. (iPhone/iPad app by kentaro kimoto.)

- Source: https://appshunter.io/ios/app/lumisera/id6747918924 (this page in markdown: same URL + `.md`)
- Developer: [kentaro kimoto](https://appshunter.io/developer/1593204765)
- Category: Productivity, Lifestyle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.6 · 28 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2025-07-02
- Data updated: 2026-11-14
- Monetization: free with in-app purchases

## What is Lumisera?

Lumisera locks distracting apps and sites until you finish what matters. Every locked minute becomes light for Lumi — 100 levels, each with a new look and rank. • 4 lock styles: TODO, steps, NFC card (Premium), timer — plus automatic scheduled locks • Lumi grows with your focus, with Home Screen widgets and Lock Screen Live Activity • Time Map: see your life in weeks and the time you've reclaimed • Anonymous community: no sign-in, share wins and cheer each other on • Site blocking (Premium): block social and video sites in your browser

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://lumisera-legal.pages.dev/privacy-en

## Key features

- Register tasks and restrict apps
- Safe app locking via ScreenTime API
- Achievement animations and quotes
- Build concentration habits
- Reduce social media/game time

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Plan (monthly) | $3.99 | per month |
| Premium Plan (annual fee) | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Plan | $49.99 | one-time |


## Is Lumisera safe?

Not enough ratings yet to assess Lumisera.

## Is Lumisera legit?

Lumisera appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Lumisera is 78 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about Lumisera

### How does Focusy work?

Focusy temporarily locks specified distracting apps until you complete your registered to-do list. It uses the ScreenTime API for safe app locking and provides motivational animations upon completion.

### What are the subscription options for Focusy?

Focusy offers a Premium Plan with monthly and annual subscription options. The monthly plan is $3.99/P1M, and the annual fee is $29.99/P1Y.

### Does Focusy have ads?

Yes, Focusy contains advertisements to support its development and free features.

### What devices does Focusy support?

Focusy is currently supported on iPhone devices.

### What is the age rating for Focusy?

Focusy has an age rating of 4+, making it suitable for a wide range of users.

### How often is Focusy updated?

The latest version of Focusy is 1.3, and it was last updated on January 30, 2026. Updates are released to improve functionality and reliability.

### Can I unlock apps early if I need to?

The app's design is to keep apps locked until tasks are completed to build habits. Early unlocking is not a standard feature to maintain focus.

### What kind of tasks can I register in Focusy?

You can register any tasks you need to complete to stay focused, such as studying for an exam, finishing a work project, or completing a workout.

## Version history (last 5 releases)

### 2.0.0 — 2026-11-13

• New name and a fully redesigned look • Meet Lumi, a spirit of light that grows with your focus (Lv.1–100), with widgets and Live Activity • NFC card unlock, up to 5 locks, and site blocking (Premium) • Time Map and an anonymous community • Now in English and Chinese

### 1.3 — 2026-01-30

We have added scheduling and widget features.

### 1.2 — 2025-08-06

Added the ability to edit locked apps

### 1.1 — 2025-07-08

Added subscription service

### 1.0 — 2025-07-02

No release notes.

## Apps similar to Lumisera

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [アプリロック・スマホ依存対策 - Walock](https://appshunter.io/ios/app/walock/id6762241943) | — | Free | Productivity |
| [Screen Time Control : DoUnlock](https://appshunter.io/ios/app/screen-time-control-dounlock/id6752128188) | 3.0 (4) | Free | Productivity |
| [MNDFUL: app blocker & to-do](https://appshunter.io/ios/app/mndful-app-blocker-and-to-do/id6769364123) | — | Free | Productivity |
| [Focus: Email Triage Timer](https://appshunter.io/ios/app/focus-email-triage-timer/id6771283717) | — | Free | Productivity |
| [Calm Lock: Mindful App Blocker](https://appshunter.io/ios/app/calm-lock-mindful-app-blocker/id6759690166) | — | Free | Productivity |
| [LingoLock: Earn Screen Time](https://appshunter.io/ios/app/lingolock-earn-screen-time/id6759390422) | 5.0 (3) | Free | Productivity |

## More apps by kentaro kimoto

- [Want To Do](https://appshunter.io/ios/app/want-to-do/id1593204763)
- [カラレコ　シンプルに身体を記録・管理](https://appshunter.io/ios/app/id1607519817)
- [FixedCost - Budget Tracker](https://appshunter.io/ios/app/fixedcost-budget-tracker/id1626837900)
- [PFC-Checker](https://appshunter.io/ios/app/pfc-checker/id1631821477)
- [Do-Plan  ~目標プランをたてよう~](https://appshunter.io/ios/app/do-plan/id1635074060)
- [トレログ](https://appshunter.io/ios/app/id6444282270)

All apps by kentaro kimoto: https://appshunter.io/developer/1593204765

## Related topics

[kiyoshi nakamura](https://appshunter.io/ios/topics/kiyoshi-nakamura)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-14.*