# Daane Lab Environmental vs CheckToSign

The clearest difference is in-app purchases: Daane Lab Environmental at none against CheckToSign's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CheckToSign sells 4 in-app purchases, starting at $39.99 per year. Daane Lab Environmental asks for nothing beyond the download.

## The numbers

| Metric | Daane Lab Environmental | CheckToSign |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 13 MB | 55 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Daane Labs](https://appshunter.io/developer/6796793610) | [NaniBoo LLC](https://appshunter.io/developer/6815408069) |

## What reviewers say

### Daane Lab Environmental

[App page](https://appshunter.io/ios/app/daane-lab-environmental/id6796793608)

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

**In-app purchases:** none


### CheckToSign

[App page](https://appshunter.io/ios/app/checktosign/id6809108446)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $39.99 | per year |
| Extra 5 Pages | $0.99 | one-time |
| 1 Contract Check | $4.99 | one-time |
| 3 Contract Checks | $9.99 | one-time |


## Frequently asked questions

### Is Daane Lab Environmental free?

Daane Lab Environmental is free to download, with no in-app purchases.

### Is CheckToSign free?

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

### Do Daane Lab Environmental or CheckToSign have ads?

Neither Daane Lab Environmental nor CheckToSign 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.*