# teach clk vs CELPIP Flashcards

The clearest difference is update cadence: CELPIP Flashcards at every 5 months against teach clk's every 36 months. CELPIP Flashcards also leads on iOS requirement (13.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. teach clk sells 1 one-off in-app purchase and CELPIP Flashcards sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

teach clk ships an update every 36 months, CELPIP Flashcards every 5 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | teach clk | CELPIP Flashcards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/celpip-flashcards/id6751352185/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 5 months** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 46 MB |
| Requires iOS | 26.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mind Technology](https://appshunter.io/developer/505395264) | [Nordic Social Media AB](https://appshunter.io/developer/1591472020) |

## What reviewers say

### teach clk

[App page](https://appshunter.io/ios/app/teach-clk/id1524244498)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teaching Clock IAP | $9.99 | one-time |


### CELPIP Flashcards

[App page](https://appshunter.io/ios/app/celpip-flashcards/id6751352185)

Prepare for the CELPIP test with interactive flashcards, practice questions, and full mock exams. An AI Study Buddy offers personalized guidance, and progress tracking keeps you motivated. Study offline anytime, anywhere.

**Highlights:** 2000+ flashcards and practice questions, Full mock exams simulating test environment, AI Study Buddy for personalized guidance, Progress tracking and score monitoring, Offline access to study materials, User-friendly and intuitive design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Premium Monthly | $12.99 | per month |


## Frequently asked questions

### Is teach clk free?

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

### Is CELPIP Flashcards free?

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

### Do teach clk or CELPIP Flashcards have ads?

Neither teach clk nor CELPIP Flashcards shows ads.

### Which is updated more often, teach clk or CELPIP Flashcards?

teach clk ships an update every 36 months, and CELPIP Flashcards every 5 months. Most recently, teach clk was updated on October 27, 2026 and CELPIP Flashcards on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*