# Study Tracker vs Central Doc Scanner

The clearest difference is in-app purchases: Central Doc Scanner at none against Study Tracker's 2. Study Tracker's advantage is iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Study Tracker sells 2 in-app purchases, starting at $0.99 per month. Central Doc Scanner asks for nothing beyond the download.

## The numbers

| Metric | Study Tracker | Central Doc Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (29 ratings)](https://appshunter.io/ios/app/study-tracker-focus-timer/id1560095006/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 50.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Gude Aipu Technology Co., Ltd](https://appshunter.io/developer/1896411340) | [Aarush Singh](https://appshunter.io/developer/6777697162) |

## What reviewers say

### Study Tracker

[App page](https://appshunter.io/ios/app/study-tracker-focus-timer/id1560095006)

This app helps you track your study time, set custom courses and plans, and utilize various timers like Pomodoro and countdown for efficient learning. It offers detailed statistics, white noise for focus, and exam countdowns with widgets. Data syncs across devices via iCloud.

**Highlights:** Track study time, Customize courses and study plans, Pomodoro and countdown timers, Detailed study statistics, White noise for focus, Exam countdowns and widgets, Multi-device iCloud sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Month) | $0.99 | per month |
| Premium (Lifetime) | $4.99 | one-time |


### Central Doc Scanner

[App page](https://appshunter.io/ios/app/central-doc-scanner/id6780039418)

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

**In-app purchases:** none


## Frequently asked questions

### Is Study Tracker free?

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

### Is Central Doc Scanner free?

Central Doc Scanner is free to download, with no in-app purchases.

### Do Study Tracker or Central Doc Scanner have ads?

Neither Study Tracker nor Central Doc Scanner shows ads.

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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.*