# Delta单词 vs Tenpera

The clearest difference is in-app purchases: Delta单词 at none against Tenpera's 8. Delta单词 also leads on update cadence (daily vs every 3 days) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Tenpera sells 8 in-app purchases, starting at $5.99 per month. Delta单词 asks for nothing beyond the download.

Delta单词 ships an update daily, Tenpera every 3 days. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Delta单词 | Tenpera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Size | 180 MB | 291 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [田丰 何](https://appshunter.io/developer/1674464316) | [GALLERYG.LLC](https://appshunter.io/developer/1839724878) |

## What reviewers say

### Delta单词

[App page](https://appshunter.io/ios/app/delta/id6744654342)

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

**In-app purchases:** none


### Tenpera

[App page](https://appshunter.io/ios/app/tenpera/id6752533018)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Citizen Pass (Monthly) | $5.99 | per month |
| Noble Pass (Monthly) | $24.99 | per month |
| Citizen Pass (Annual) | $59.99 | per year |
| Noble Pass (Annual) | $219.99 | per year |
| Maseki of the Bureau | $1.99 | one-time |
| Maseki of the Bureau | $3.99 | one-time |
| Maseki of Baku | $7.99 | one-time |
| Maseki of Baku | $14.99 | one-time |


## Frequently asked questions

### Is Delta单词 free?

Delta单词 is free to download, with no in-app purchases.

### Is Tenpera free?

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

### Do Delta单词 or Tenpera have ads?

Neither Delta单词 nor Tenpera shows ads.

### Which is updated more often, Delta单词 or Tenpera?

Delta单词 ships an update daily, and Tenpera every 3 days. Most recently, Delta单词 was updated on September 24, 2026 and Tenpera on September 29, 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.*