# BlueTrans vs Study Timer!

The clearest difference is price: Study Timer! at Free against BlueTrans's $1.99. Study Timer! also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (10.0 vs 14.0). BlueTrans's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Study Timer! is free to download; BlueTrans costs $1.99 up front. Study Timer! sells 4 in-app purchases, starting at $4.99 per 7 days. BlueTrans asks for nothing beyond the download.

BlueTrans ships an update every 4 months, Study Timer! fortnightly. The most recent releases landed on December 9, 2025 and September 20, 2026 respectively.

## The numbers

| Metric | BlueTrans | Study Timer! |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/study-timer/id1556811357/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 37 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [云珍 朱](https://appshunter.io/developer/1535376926) |

## What reviewers say

### BlueTrans

[App page](https://appshunter.io/ios/app/bluetrans/id606111112)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Timer!

[App page](https://appshunter.io/ios/app/study-timer/id1556811357)

This app helps users combat smartphone addiction and improve focus on learning. It uses timed alarms and lock modes to encourage users to put down their phones and stick to study plans. Ideal for students and parents seeking to manage screen time.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 |


## Frequently asked questions

### Is BlueTrans free?

BlueTrans costs $1.99, with no in-app purchases.

### Is Study Timer! free?

Study Timer! is free to download, with in-app purchases available.

### Do BlueTrans or Study Timer! have ads?

Study Timer! shows ads; BlueTrans does not.

### Which is updated more often, BlueTrans or Study Timer!?

BlueTrans ships an update every 4 months, and Study Timer! fortnightly. Most recently, BlueTrans was updated on December 9, 2025 and Study Timer! on September 20, 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.*