# Study Timer Tracker vs PureOpen

The clearest difference is in-app purchases: PureOpen at none against Study Timer Tracker's 2. PureOpen also leads on update cadence (every 9 days vs every 3 months) and device support (4 vs 2). On price and ads there is nothing between them.

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

Study Timer Tracker ships an update every 3 months, PureOpen every 9 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Study Timer Tracker | PureOpen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 7 MB | 5 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aneesh Pradeep](https://appshunter.io/developer/1836157821) | [Yechiel Ben David](https://appshunter.io/developer/1863307655) |

## What reviewers say

### Study Timer Tracker

[App page](https://appshunter.io/ios/app/study-timer-tracker-studius/id6751641628)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studius Pro Monthly | $0.99 | per month |
| Studius Pro - Annual | $6.99 | per year |


### PureOpen

[App page](https://appshunter.io/ios/app/pureopen-markdown-editor/id6800787472)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Study Timer Tracker free?

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

### Is PureOpen free?

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

### Do Study Timer Tracker or PureOpen have ads?

Neither Study Timer Tracker nor PureOpen shows ads.

### Which is updated more often, Study Timer Tracker or PureOpen?

Study Timer Tracker ships an update every 3 months, and PureOpen every 9 days. Most recently, Study Timer Tracker was updated on October 30, 2026 and PureOpen on October 25, 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.*