# Northwestern Polytechnic vs CELPIP Prep

The clearest difference is in-app purchases: Northwestern Polytechnic at none against CELPIP Prep's 3. Northwestern Polytechnic also leads on review sentiment (22% vs 10%). CELPIP Prep's advantage is update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CELPIP Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Northwestern Polytechnic asks for nothing beyond the download.

Northwestern Polytechnic ships an update every 5 months, CELPIP Prep weekly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Northwestern Polytechnic | CELPIP Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (29 ratings)](https://appshunter.io/ios/app/celpip-prep-practice-test/id6747511818/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | **22.2% of reviews** | 10.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [GPRC](https://appshunter.io/developer/590284370) | [faisal khalid](https://appshunter.io/developer/671706631) |

## What reviewers say

### Northwestern Polytechnic

[App page](https://appshunter.io/ios/app/northwestern-polytechnic/id590284207)

Access comprehensive information about Northwestern Polytechnic, including campus news, events, and academic schedules. Students and alumni can also check application status, view course marks, and access their schedules.

**Highlights:** Campus contact information, News releases and updates, Upcoming events and performances, Academic schedule access, Student application status, Course marks and schedules

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

**In-app purchases:** none


### CELPIP Prep

[App page](https://appshunter.io/ios/app/celpip-prep-practice-test/id6747511818)

Prepare for the CELPIP English proficiency test with realistic simulations and instant AI grading. Improve your Listening, Reading, Writing, and Speaking skills for Canadian immigration or professional certification.

**Highlights:** Realistic test simulator, Instant AI grading, Dynamic practice mode, Progress tracking, Targeted skill improvement, Supports CELPIP-General and CELPIP-LS

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - Celpip | $6.99 | per 7 days |
| Yearly - Celpip | $29.99 | per year |
| Lifetime - Celpip Prep | $14.99 | one-time |


## Frequently asked questions

### Is Northwestern Polytechnic free?

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

### Is CELPIP Prep free?

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

### Do Northwestern Polytechnic or CELPIP Prep have ads?

Neither Northwestern Polytechnic nor CELPIP Prep shows ads.

### Which is updated more often, Northwestern Polytechnic or CELPIP Prep?

Northwestern Polytechnic ships an update every 5 months, and CELPIP Prep weekly. Most recently, Northwestern Polytechnic was updated on October 2, 2026 and CELPIP Prep on October 1, 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.*