# BTS Documentation vs ECO Drive BY

The clearest difference is device support: BTS Documentation at 3 against ECO Drive BY's —. BTS Documentation also leads on iOS requirement (11.0 vs 13.0). On price 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.

## The numbers

| Metric | BTS Documentation | ECO Drive BY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Size | 22 MB | 20 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [BELTRANSSPUTNIK, CHUP](https://appshunter.io/developer/1460370074) | [AVTOTEKHNOKONTROL, OOO](https://appshunter.io/developer/1835854685) |

## What reviewers say

### BTS Documentation

[App page](https://appshunter.io/ios/app/bts-documentation/id1491709716)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECO Drive BY

[App page](https://appshunter.io/ios/app/eco-drive-by/id6751571363)

**In-app purchases:** none


## Frequently asked questions

### Is BTS Documentation free?

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

### Is ECO Drive BY free?

ECO Drive BY is free to download, with no in-app purchases.

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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.*