# Mol vs Study Timer Tracker

The clearest difference is price: Mol at Free against Study Timer Tracker's $1.99. Mol also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (16.1 vs 18.6). Study Timer Tracker's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Mol is free to download; Study Timer Tracker costs $1.99 up front. Mol sells 1 one-off in-app purchase and Study Timer Tracker sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Mol ships an update fortnightly, Study Timer Tracker every 3 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Mol | Study Timer Tracker |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 54 MB | 7 MB |
| Requires iOS | **16.1** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Doublew](https://appshunter.io/developer/1804300678) | [Aneesh Pradeep](https://appshunter.io/developer/1836157821) |

## What reviewers say

### Mol

[App page](https://appshunter.io/ios/app/molib/id6748937678)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 몰입 프리미엄 | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is Mol free?

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

### Is Study Timer Tracker free?

Study Timer Tracker costs $1.99, and also offers in-app purchases.

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

Mol shows ads; Study Timer Tracker does not.

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

Mol ships an update fortnightly, and Study Timer Tracker every 3 months. Most recently, Mol was updated on October 8, 2026 and Study Timer Tracker on October 5, 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.*