# Form.taxi vs eThemis

The clearest difference is update cadence: eThemis at monthly against Form.taxi's every 24 months. eThemis also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, 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.

Form.taxi ships an update every 24 months, eThemis monthly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Form.taxi | eThemis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Size | 8 MB | 43 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reinhard Soellradl](https://appshunter.io/developer/1671227381) | [Herborner Pumpentechnik GmbH & Co KG](https://appshunter.io/developer/1785170253) |

## What reviewers say

### Form.taxi

[App page](https://appshunter.io/ios/app/formtaxi/id1671227379)

**In-app purchases:** none


### eThemis

[App page](https://appshunter.io/ios/app/ethemis/id6739421649)

**In-app purchases:** none


## Frequently asked questions

### Is Form.taxi free?

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

### Is eThemis free?

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

### Do Form.taxi or eThemis have ads?

Neither Form.taxi nor eThemis shows ads.

### Which is updated more often, Form.taxi or eThemis?

Form.taxi ships an update every 24 months, and eThemis monthly. Most recently, Form.taxi was updated on November 7, 2026 and eThemis on November 8, 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.*