# UNODC Spark vs Cardly Plus

The clearest difference is ads: UNODC Spark at none against Cardly Plus's shown. UNODC Spark also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17). Cardly Plus's advantage is update cadence (every 4 days vs every 13 months). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UNODC Spark ships an update every 13 months, Cardly Plus every 4 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | UNODC Spark | Cardly Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 77 MB | 4 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UNODC Global eLearning Programme](https://appshunter.io/developer/1742774688) | [Kadir Durakli](https://appshunter.io/developer/1769808904) |

## What reviewers say

### UNODC Spark

[App page](https://appshunter.io/ios/app/unodc-spark/id6499213461)

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

**In-app purchases:** none


### Cardly Plus

[App page](https://appshunter.io/ios/app/cardly-plus/id6739976850)

Master a new language with daily curated words and interactive flashcards. Track your progress with visual graphs and test your knowledge with quizzes. Create custom vocabulary cards to suit your learning needs.

**Highlights:** Daily curated words in 10 languages, Interactive flashcards, Custom vocabulary cards, Weekly progress tracker, Language quizzes and tests, User-friendly design

**In-app purchases:** none


## Frequently asked questions

### Is UNODC Spark free?

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

### Is Cardly Plus free?

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

### Do UNODC Spark or Cardly Plus have ads?

Cardly Plus shows ads; UNODC Spark does not.

### Which is updated more often, UNODC Spark or Cardly Plus?

UNODC Spark ships an update every 13 months, and Cardly Plus every 4 days. Most recently, UNODC Spark was updated on October 19, 2026 and Cardly Plus on October 24, 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.*