# WT vs EINSP

The clearest difference is iOS requirement: EINSP at 11.0 against WT's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WT ships an update every 6 weeks, EINSP every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WT | EINSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 21 MB | 55 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weightech](https://appshunter.io/developer/1542095524) | [jeferson pereira](https://appshunter.io/developer/1674962133) |

## What reviewers say

### WT

[App page](https://appshunter.io/ios/app/wt-bt-br-calibracao/id1571203111)

**Features:** macOS Compatibility

**In-app purchases:** none


### EINSP

[App page](https://appshunter.io/ios/app/einsp/id6445937659)

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

**In-app purchases:** none


## Frequently asked questions

### Is WT free?

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

### Is EINSP free?

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

### Do WT or EINSP have ads?

Neither WT nor EINSP shows ads.

### Which is updated more often, WT or EINSP?

WT ships an update every 6 weeks, and EINSP every 3 weeks. Most recently, WT was updated on November 3, 2026 and EINSP on October 30, 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.*