# Cayman Summit vs Invoice Maker

The clearest difference is in-app purchases: Cayman Summit at none against Invoice Maker's 3. Invoice Maker's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker sells 3 in-app purchases, starting at $4.99 per 7 days. Cayman Summit asks for nothing beyond the download.

Cayman Summit ships an update every 6 weeks, Invoice Maker every 2 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Cayman Summit | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 66 MB | 71 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Dart Enterprises Ltd](https://appshunter.io/developer/1314615612) | [Muhammad Haroon](https://appshunter.io/developer/1661411716) |

## What reviewers say

### Cayman Summit

[App page](https://appshunter.io/ios/app/cayman-summit/id6749318426)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-simple-billing/id6749439258)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $6.99 | per month |
| Yearly | $69.99 | per year |


## Frequently asked questions

### Is Cayman Summit free?

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

### Is Invoice Maker free?

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

### Do Cayman Summit or Invoice Maker have ads?

Neither Cayman Summit nor Invoice Maker shows ads.

### Which is updated more often, Cayman Summit or Invoice Maker?

Cayman Summit ships an update every 6 weeks, and Invoice Maker every 2 weeks. Most recently, Cayman Summit was updated on September 8, 2026 and Invoice Maker on September 9, 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.*