# Algorena vs Dongbei 120 Phrase Cards

The clearest difference is in-app purchases: Dongbei 120 Phrase Cards at none against Algorena's 1. Dongbei 120 Phrase Cards also leads on ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Algorena sells 1 one-off in-app purchase. Dongbei 120 Phrase Cards asks for nothing beyond the download.

Algorena ships an update every 2 months, Dongbei 120 Phrase Cards every 8 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | Algorena | Dongbei 120 Phrase Cards |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 13 MB | 45 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vinh Nguyen](https://appshunter.io/developer/1802304933) | [锴 郭](https://appshunter.io/developer/6782132338) |

## What reviewers say

### Algorena

[App page](https://appshunter.io/ios/app/algorena-learn-algorithms/id6794787482)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Algorena Pro | $0.99 | one-time |


### Dongbei 120 Phrase Cards

[App page](https://appshunter.io/ios/app/dongbei-120-phrase-cards/id6798309417)

**In-app purchases:** none


## Frequently asked questions

### Is Algorena free?

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

### Is Dongbei 120 Phrase Cards free?

Dongbei 120 Phrase Cards is free to download, with no in-app purchases.

### Do Algorena or Dongbei 120 Phrase Cards have ads?

Algorena shows ads; Dongbei 120 Phrase Cards does not.

### Which is updated more often, Algorena or Dongbei 120 Phrase Cards?

Algorena ships an update every 2 months, and Dongbei 120 Phrase Cards every 8 days. Most recently, Algorena was updated on October 9, 2026 and Dongbei 120 Phrase Cards on October 9, 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.*