# Drowning Math vs Pocket Taiwan

The clearest difference is in-app purchases: Drowning Math at none against Pocket Taiwan's 1. Drowning Math also leads on update cadence (every 5 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pocket Taiwan sells 1 one-off in-app purchase. Drowning Math asks for nothing beyond the download.

Drowning Math ships an update every 5 days, Pocket Taiwan every 11 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Drowning Math | Pocket Taiwan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pocket-taiwan/id6811366669/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | — | Free with in-app purchases |
| Size | 67 MB | 149 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Brothapps, SL](https://appshunter.io/developer/1126030162) | [Curtis Starkey](https://appshunter.io/developer/6811366671) |

## What reviewers say

### Drowning Math

[App page](https://appshunter.io/ios/app/drowning-math-mental-math/id6450683721)

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

**In-app purchases:** none


### Pocket Taiwan

[App page](https://appshunter.io/ios/app/pocket-taiwan/id6811366669)

This phrasebook focuses on Mandarin spoken in Taiwan, offering practical phrases for everyday situations like dining, travel, and shopping. It includes audio, Taiwan-accurate pinyin, and AI-powered role-playing for practice. Personalize phrases for your trip and review saved words on a spaced schedule.

**Highlights:** Taiwan-accurate Mandarin phrases, Tap-to-hear audio pronunciation, AI-powered role-playing scenarios, Personalized phrase selection, Spaced repetition review system, Real-life situation categorization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |


## Frequently asked questions

### Is Drowning Math free?

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

### Is Pocket Taiwan free?

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

### Do Drowning Math or Pocket Taiwan have ads?

Neither Drowning Math nor Pocket Taiwan shows ads.

### Which is updated more often, Drowning Math or Pocket Taiwan?

Drowning Math ships an update every 5 days, and Pocket Taiwan every 11 days. Most recently, Drowning Math was updated on November 3, 2026 and Pocket Taiwan on November 10, 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.*