# Acronyms & Definitions vs Train2Scroll

The clearest difference is in-app purchases: Acronyms & Definitions at none against Train2Scroll's 2. Acronyms & Definitions also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Train2Scroll sells 2 in-app purchases, starting at $14.99 per month. Acronyms & Definitions asks for nothing beyond the download.

## The numbers

| Metric | Acronyms & Definitions | Train2Scroll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 1 MB | 36 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikolay Vysochin](https://appshunter.io/developer/1388383089) | [Illia Malovychko](https://appshunter.io/developer/1517794982) |

## What reviewers say

### Acronyms & Definitions

[App page](https://appshunter.io/ios/app/acronyms-and-definitions/id6741889596)

**In-app purchases:** none


### Train2Scroll

[App page](https://appshunter.io/ios/app/train2scroll-app-time-limit/id6760317645)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $14.99 | per month |
| Monthly Pro | $29.99 | per year |


## Frequently asked questions

### Is Acronyms & Definitions free?

Acronyms & Definitions is free to download, with no in-app purchases.

### Is Train2Scroll free?

Train2Scroll is free to download, with in-app purchases available.

### Do Acronyms & Definitions or Train2Scroll have ads?

Neither Acronyms & Definitions nor Train2Scroll shows ads.

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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.*