# Study Timer! — 勉強アプリ: 集中力を高める

> Focus and study app to prevent smartphone addiction with timed alarms and lock modes. (iPhone/iPad app by 云珍 朱.)

- Source: https://appshunter.io/ios/app/study-timer/id1556811357 (this page in markdown: same URL + `.md`)
- Developer: [云珍 朱](https://appshunter.io/developer/1535376926)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.75/5 from 4 App Store ratings · 9 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 37 MB
- Languages: English, Japanese, Chinese, Chinese
- Released: 2021-03-18
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/study-timer/id1556811357/reviews.md

## What is Study Timer!?

====It's hard to concentrate, what should I do? ====
【StudyApp】 Help you! Prevent your smartphone addiction and let you focus more on learning.

When you use the phone within the set time, the phone will sound an alarm. You must return to the app and put down your phone, and then continue your focus and study plan.


For people:
- Students who focus on learning
- Smart phone addicted students
- Parents used on restrict children's use of mobile phones


App features:
- Daily reminder
Custom settings the limit time period of the phone, remind you to put down your phone every day, focus and study.

- Mandatory mode
【Mandatory mode】 A compulsory loud alarm is issued, and the time task cannot be ended early. Please note that if you select the mandatory mode, the mode cannot be released even if the app process is closed.

- Lock mode:
#Flip screen: Turn the phone screen over and stick it to the desktop. If you use your mobile phone within a limited time, the app will sound an alarm. This mode can prevent your attention from being disturbed by notifications from other apps on your phone.
#Lock screen: Lock the phone screen. If you exit the app and use your phone within a limited time, the app will sound an alert. But you can still move your phone.


Subscriptions Content
• Unlock week setting
• 【Force】mode
• Update music regularly
• Unlimited access

- $0.99 per week, $11.99 per year
- Subscription price varies depending on the country and your local currency
- Payment will be charged to iTunes Account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal

Privacy Policy
https://shimo.im/docs/PHYqy3PRvR8yWrrp
Terms of Service
https://shimo.im/docs/pvkjYHjHktdyGP8V

## Key features

- Daily reminders to put down phone
- Mandatory mode with unskippable alarms
- Flip screen lock mode
- Lock screen mode
- Customizable time limits
- Subscription for advanced features

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Subscription a week | $4.99 | per 7 days |
| Subscription a week (trail) | $4.99 | per 7 days |
| Subscription a year | $24.99 | per year |
| Subscription a year (trail) | $24.99 | per year |


## Recent user reviews (9 of 9)

All indexed reviews: https://appshunter.io/ios/app/study-timer/id1556811357/reviews.md

### 5/5 — ジャガーンのあれに見えてまう汗

*2023-01-15, version 1.6*

かわいい

### 1/5 — 嘘

*2022-06-11, version 1.6*

一部有料じゃなくて有料です

### 1/5 — 有料アプリです

*2022-04-16, version 1.6*

使ってないけど週550円なの！？💦

### 1/5 — 無料じゃない

*2022-04-06, version 1.6*

無料アプリじゃないです。課金しないと使えないアプリです。他のアプリを使いましょう

### 1/5 — 有料アプリです

*2021-11-14, version 1.6*

トライアル期間が過ぎれば有料になると分かり、速攻で削除しました。
有料アプリなら、初めから有料にしとけや！

### 1/5 — 有料アプリ

*2021-09-27, version 1.6*

何するにも有料だったら
アプリダウンロードする時点で有料にしてくれや

### 1/5 — …

*2021-08-29, version 1.6*

操作方法わからず断念…

### 1/5 — 会員登録しないと使えない。

*2021-08-12, version 1.6*

会員登録しないと使えない。

### 4/5 — 不完全なところがあります

*2021-06-07, version 1.6*

スマホを完全ロック状態にすると他のアプリを使った時やこのアプリのタスクを切った時は大音量の警告音を鳴らしてくれますが、アプリ起動状態からホームに戻った瞬間に電源ボタンを押してスリープモードにするとその後一切警告音が鳴らなくなります。スマホ依存重度の身からすると、このあたりも徹底的に警告音ならしていただけると助かりますのでどうかよろしくお願いします。

## Frequently asked questions about Study Timer!

### Does Study Timer! have ads?

Yes, Study Timer! contains advertisements. This is common for free utility apps that offer in-app purchases for premium features.

### What are the subscription options for Study Timer!?

Study Timer! offers weekly and yearly subscriptions. Prices vary by country, with options for free trials. Specific pricing details are available within the app.

### How does Study Timer!'s 'Mandatory mode' work?

In 'Mandatory mode,' Study Timer! issues a compulsory loud alarm and prevents the time task from being ended early. This mode cannot be released even if the app process is closed, ensuring uninterrupted focus.

### What is the 'Lock mode' in Study Timer!?

Study Timer! offers two lock modes: 'Flip screen' which requires the phone to be face down, and 'Lock screen' which locks the phone screen. Both modes trigger an alarm if the app is exited within the set time.

### What age rating does Study Timer! have?

Study Timer! has an age rating of 4+. This indicates it is suitable for children and general audiences.

### How often is Study Timer! updated?

The latest version of Study Timer! is 1.6, last updated on June 6, 2021. This suggests a moderate update frequency.

### What devices is Study Timer! compatible with?

Study Timer! is compatible with iPhone, iPad, and iPod devices, indicating broad Apple ecosystem support.

### What do users like about Study Timer!?

Users appreciate Study Timer!'s effectiveness in helping them concentrate and reduce smartphone addiction. The mandatory and lock modes are particularly praised for their ability to enforce focus.

## Version history (last 5 releases)

### 1.6 — 2021-06-06

Added Simplified and Traditional Chinese localization

### 1.5 — 2021-05-11

All SDKs are compatible with iOS14.5

### 1.4 — 2021-04-30

Adapt to iOS 14.5

### 1.3 — 2021-04-25

- Greatly enhance the stability of the alarm feature
- Fixed the bug of background music playback

### 1.2 — 2021-04-08

- Added some music to help focus on the lock page
- Added subscription
- Fixed some minor bugs

## Apps similar to Study Timer!

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Love Widgets - Countdown](https://appshunter.io/ios/app/love-widgets-countdown/id1564287911) | 4.5 (50) | Free | Utilities |
| [ウサギタケの簡単スケジュール管理の人気カレンダー](https://appshunter.io/ios/app/id1473918158) | 4.8 (31) | Free | Utilities |
| [Caho TODO](https://appshunter.io/ios/app/caho-todo/id1548164450) | 4.9 (13) | Free | Utilities |
| [学研『ランク順　英検英単語』](https://appshunter.io/ios/app/id1359074052) | 5.0 (1) | Free | Utilities |
| [pinkYgadget](https://appshunter.io/ios/app/pinkygadget/id1578889753) | 4.8 (15) | Free | Utilities |
| [Stay cute Pomodoro](https://appshunter.io/ios/app/stay-cute-pomodoro/id1360827510) | 4.7 (52) | Free | Utilities |

## More apps by 云珍 朱

- [Charging Animation Show](https://appshunter.io/ios/app/charging-animation-show/id1545918275)
- [Charging Sound Changer](https://appshunter.io/ios/app/charging-sound-changer/id1547771950)

All apps by 云珍 朱: https://appshunter.io/developer/1535376926

## Related topics

[lock phone to study](https://appshunter.io/ios/topics/lock-phone-to-study) · [phone lock for studying](https://appshunter.io/ios/topics/phone-lock-for-studying)

---

*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 2026-06-01.*