# Smart Vietnamese Dictionary vs Percussion Dictionary

The clearest difference is in-app purchases: Percussion Dictionary at none against Smart Vietnamese Dictionary's 5. Percussion Dictionary also leads on ads (none vs shown) and update cadence (weekly vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Vietnamese Dictionary sells 5 in-app purchases, starting at $0.49 per month. Percussion Dictionary asks for nothing beyond the download.

Smart Vietnamese Dictionary ships an update every 7 months, Percussion Dictionary weekly. The most recent releases landed on September 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart Vietnamese Dictionary | Percussion Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Weekly** |
| Size | 60 MB | 9 MB |
| Requires iOS | 17 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Md Shihab Uddin](https://appshunter.io/developer/1602142430) | [Jeremy Hunt](https://appshunter.io/developer/615350697) |

## What reviewers say

### Smart Vietnamese Dictionary

[App page](https://appshunter.io/ios/app/smart-vietnamese-dictionary/id1606886580)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for a month | $0.49 | per month |
| Remove ads for 2 months | $0.99 | per 2 months |
| Remove ads for 3 months | $1.49 | per 3 months |
| Remove ads for 6 months | $1.99 | per 6 months |
| Remove ads for a year | $2.49 | per year |


### Percussion Dictionary

[App page](https://appshunter.io/ios/app/percussion-dictionary/id6451499816)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Vietnamese Dictionary free?

Smart Vietnamese Dictionary is free to download, with in-app purchases available.

### Is Percussion Dictionary free?

Percussion Dictionary is free to download, with no in-app purchases.

### Do Smart Vietnamese Dictionary or Percussion Dictionary have ads?

Smart Vietnamese Dictionary shows ads; Percussion Dictionary does not.

### Which is updated more often, Smart Vietnamese Dictionary or Percussion Dictionary?

Smart Vietnamese Dictionary ships an update every 7 months, and Percussion Dictionary weekly. Most recently, Smart Vietnamese Dictionary was updated on September 4, 2026 and Percussion Dictionary on September 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.*