# COMET School (Parent) vs Study Clock

The clearest difference is in-app purchases: COMET School (Parent) at none against Study Clock's 1. COMET School (Parent) also leads on ads (none vs shown). Study Clock's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Study Clock sells 1 one-off in-app purchase. COMET School (Parent) asks for nothing beyond the download.

COMET School (Parent) ships an update every 2 weeks, Study Clock every 3 weeks. The most recent releases landed on July 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | COMET School (Parent) | Study Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 23 MB | 28 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neopath Technologies Pvt Ltd](https://appshunter.io/developer/1447950848) | [SnowdropSoft](https://appshunter.io/developer/1541796403) |

## What reviewers say

### COMET School (Parent)

[App page](https://appshunter.io/ios/app/comet-school-parent/id6746783321)

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

**In-app purchases:** none


### Study Clock

[App page](https://appshunter.io/ios/app/study-clock-deep-focus-timer/id6756950093)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is COMET School (Parent) free?

COMET School (Parent) is free to download, with no in-app purchases.

### Is Study Clock free?

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

### Do COMET School (Parent) or Study Clock have ads?

Study Clock shows ads; COMET School (Parent) does not.

### Which is updated more often, COMET School (Parent) or Study Clock?

COMET School (Parent) ships an update every 2 weeks, and Study Clock every 3 weeks. Most recently, COMET School (Parent) was updated on July 25, 2026 and Study Clock on September 15, 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.*