# iDo vs Rectoly for Zotero

The clearest difference is in-app purchases: iDo at none against Rectoly for Zotero's 2. iDo also leads on iOS requirement (13.0 vs 17.0). Rectoly for Zotero's advantage is device support. On price there is nothing between them.

Both are free to download. Rectoly for Zotero sells 2 one-off in-app purchases. iDo asks for nothing beyond the download.

## The numbers

| Metric | iDo | Rectoly for Zotero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rectoly-for-zotero/id6803044396/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Size | 2 MB | 52 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Yun Teng Technology Co ., Ltd.](https://appshunter.io/developer/1155062519) | [Takaki Takemura](https://appshunter.io/developer/6793454900) |

## What reviewers say

### iDo

[App page](https://appshunter.io/ios/app/ido-card/id6445839516)

**In-app purchases:** none


### Rectoly for Zotero

[App page](https://appshunter.io/ios/app/rectoly-for-zotero/id6803044396)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Rectoly Pro (one-time) | $19.99 | one-time |


## Frequently asked questions

### Is iDo free?

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

### Is Rectoly for Zotero free?

Rectoly for Zotero is free to download, with in-app purchases available.

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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.*