# YK1 vs CELPIP Prep Practice

The clearest difference is in-app purchases: YK1 at none against CELPIP Prep Practice's 4. YK1 also leads on device support (3 vs 1) and iOS requirement (12.2 vs 17). CELPIP Prep Practice's advantage is update cadence (fortnightly vs every 7 months). On price and ads there is nothing between them.

Both are free to download. CELPIP Prep Practice sells 4 in-app purchases, starting at $6.99 per 7 days. YK1 asks for nothing beyond the download.

YK1 ships an update every 7 months, CELPIP Prep Practice fortnightly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | YK1 | CELPIP Prep Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/celpip-prep-practice-celpix/id6752662613/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 103 MB |
| Requires iOS | **12.2** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Concept Interactive Inc.](https://appshunter.io/developer/1437684225) | [Mobiqo](https://appshunter.io/developer/1816229311) |

## What reviewers say

### YK1

[App page](https://appshunter.io/ios/app/yk1/id1599992893)

**Features:** macOS Compatibility

**In-app purchases:** none


### CELPIP Prep Practice

[App page](https://appshunter.io/ios/app/celpip-prep-practice-celpix/id6752662613)

Prepare for the Canadian English Language Proficiency Index Program (CELPIP) with realistic practice exams, AI-powered scoring, and targeted strategies. Improve listening, reading, writing, and speaking skills to achieve your desired score for immigration, certification, or citizenship.

**Highlights:** 15,000+ Real Questions, Full-length mock exams, Instant AI scoring, Task-by-task tutorials, Sectional practice, Smart analytics & progress tracking, Instant Speech & Essay Analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Monthly Subscription | $17.99 | per month |
| Annual Subscription | $29.99 | per year |
| Lifetime Subscription | $49.99 | one-time |


## Frequently asked questions

### Is YK1 free?

YK1 is free to download, with no in-app purchases.

### Is CELPIP Prep Practice free?

CELPIP Prep Practice is free to download, with in-app purchases available.

### Do YK1 or CELPIP Prep Practice have ads?

Neither YK1 nor CELPIP Prep Practice shows ads.

### Which is updated more often, YK1 or CELPIP Prep Practice?

YK1 ships an update every 7 months, and CELPIP Prep Practice fortnightly. Most recently, YK1 was updated on September 29, 2026 and CELPIP Prep Practice on October 7, 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.*