# TOEIC CLOCK vs CLF Cloud Practitioner Prep

The clearest difference is in-app purchases: TOEIC CLOCK at none against CLF Cloud Practitioner Prep's 1. CLF Cloud Practitioner Prep's advantage is update cadence (every 5 days vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CLF Cloud Practitioner Prep sells 1 one-off in-app purchase. TOEIC CLOCK asks for nothing beyond the download.

TOEIC CLOCK ships an update every 4 months, CLF Cloud Practitioner Prep every 5 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | TOEIC CLOCK | CLF Cloud Practitioner Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 1 MB | 297 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIDEKi MATSUMOTO](https://appshunter.io/developer/1690137692) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### TOEIC CLOCK

[App page](https://appshunter.io/ios/app/toeic-clock/id6450565102)

**Features:** macOS Compatibility

**In-app purchases:** none


### CLF Cloud Practitioner Prep

[App page](https://appshunter.io/ios/app/clf-cloud-practitioner-prep/id6775574846)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CLF-C02 평생 이용권 | $4.99 | one-time |


## Frequently asked questions

### Is TOEIC CLOCK free?

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

### Is CLF Cloud Practitioner Prep free?

CLF Cloud Practitioner Prep is free to download, with in-app purchases available.

### Do TOEIC CLOCK or CLF Cloud Practitioner Prep have ads?

Neither TOEIC CLOCK nor CLF Cloud Practitioner Prep shows ads.

### Which is updated more often, TOEIC CLOCK or CLF Cloud Practitioner Prep?

TOEIC CLOCK ships an update every 4 months, and CLF Cloud Practitioner Prep every 5 days. Most recently, TOEIC CLOCK was updated on November 12, 2026 and CLF Cloud Practitioner Prep on November 13, 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.*