# Invoice Gen vs SAIL Events

The clearest difference is ads: SAIL Events at none against Invoice Gen's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invoice Gen ships an update fortnightly, SAIL Events monthly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Invoice Gen | SAIL Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Size | 28 MB | 36 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Shobowale](https://appshunter.io/developer/1605825305) | [SANLAMALLIANZ INVESTMENTS LIMITED](https://appshunter.io/developer/1572336453) |

## What reviewers say

### Invoice Gen

[App page](https://appshunter.io/ios/app/invoice-gen/id1634788574)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAIL Events

[App page](https://appshunter.io/ios/app/sail-events/id6762619119)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Gen free?

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

### Is SAIL Events free?

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

### Do Invoice Gen or SAIL Events have ads?

Invoice Gen shows ads; SAIL Events does not.

### Which is updated more often, Invoice Gen or SAIL Events?

Invoice Gen ships an update fortnightly, and SAIL Events monthly. Most recently, Invoice Gen was updated on November 3, 2026 and SAIL Events on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*