# RSA Checklist vs FairInvoice

The clearest difference is in-app purchases: RSA Checklist at none against FairInvoice's 3. RSA Checklist also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (6.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. FairInvoice sells 3 in-app purchases, starting at $2.99 per month. RSA Checklist asks for nothing beyond the download.

RSA Checklist ships an update weekly, FairInvoice every 2 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RSA Checklist | FairInvoice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 1 MB | 19 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aquaweb Ltd](https://appshunter.io/developer/850440451) | [Moaath Othman](https://appshunter.io/developer/866641649) |

## What reviewers say

### RSA Checklist

[App page](https://appshunter.io/ios/app/rsa-checklist/id850440448)

**Features:** macOS Compatibility

**In-app purchases:** none


### FairInvoice

[App page](https://appshunter.io/ios/app/fairinvoice-invoice-maker/id6789216704)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| FairInvoice Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is RSA Checklist free?

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

### Is FairInvoice free?

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

### Do RSA Checklist or FairInvoice have ads?

Neither RSA Checklist nor FairInvoice shows ads.

### Which is updated more often, RSA Checklist or FairInvoice?

RSA Checklist ships an update weekly, and FairInvoice every 2 weeks. Most recently, RSA Checklist was updated on November 6, 2026 and FairInvoice on November 5, 2026.

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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.*