# Cataract Logbook vs polaHelp

The clearest difference is price: Cataract Logbook at Free against polaHelp's $9.99. Cataract Logbook also leads on in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Cataract Logbook is free to download; polaHelp costs $9.99 up front. polaHelp sells 1 one-off in-app purchase. Cataract Logbook asks for nothing beyond the download.

## The numbers

| Metric | Cataract Logbook | polaHelp |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 3 MB | 4 MB |
| Requires iOS | 18.5 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Jonathan Lake](https://appshunter.io/developer/1825916761) | [Andras Balint](https://appshunter.io/developer/630385311) |

## What reviewers say

### Cataract Logbook

[App page](https://appshunter.io/ios/app/cataract-logbook/id6748470940)

**Features:** macOS Compatibility

**In-app purchases:** none


### polaHelp

[App page](https://appshunter.io/ios/app/polahelp/id6755364979)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| polaHelpPro | $9.99 | one-time |


## Frequently asked questions

### Is Cataract Logbook free?

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

### Is polaHelp free?

polaHelp costs $9.99, and also offers in-app purchases.

### Do Cataract Logbook or polaHelp have ads?

Neither Cataract Logbook nor polaHelp 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.*