# Tech English for Developers vs Professional English

The clearest difference is update cadence: Professional English at every 2 days against Tech English for Developers's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tech English for Developers sells 1 one-off in-app purchase and Professional English sells 5 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Tech English for Developers ships an update every 5 days, Professional English every 2 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Tech English for Developers | Professional English |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 59 MB | 74 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [katsuya tamai](https://appshunter.io/developer/1504443936) | [Emre BIRINCI](https://appshunter.io/developer/1687658008) |

## What reviewers say

### Tech English for Developers

[App page](https://appshunter.io/ios/app/tech-english-for-developers/id6742486115)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示（買い切り） | $1.99 | one-time |


### Professional English

[App page](https://appshunter.io/ios/app/professional-englishtermify/id6744872522)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $5.99 | per month |
| Pro Yearly | $9.99 | per month |
| Pro Yearly Special Discount | $24.99 | per year |
| Premium Yearly | $29.99 | per year |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Tech English for Developers free?

Tech English for Developers is free to download, with in-app purchases available.

### Is Professional English free?

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

### Do Tech English for Developers or Professional English have ads?

Neither Tech English for Developers nor Professional English shows ads.

### Which is updated more often, Tech English for Developers or Professional English?

Tech English for Developers ships an update every 5 days, and Professional English every 2 days. Most recently, Tech English for Developers was updated on October 15, 2026 and Professional English on October 1, 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.*