# Invoice Sail vs SInvoice

The clearest difference is monetization model: SInvoice at free with in-app purchases against Invoice Sail's subscription. Invoice Sail's advantage is iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Invoice Sail sells 4 in-app purchases, starting at $0.49 per 7 days and SInvoice sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Invoice Sail against 5.0 for SInvoice. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Invoice Sail ships an update every 3 days, SInvoice every 4 days. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Invoice Sail | SInvoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/invoice-sail/id6743469719/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sinvoice-fast-invoice-maker/id6799751085/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 64 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Suresh Jagnani](https://appshunter.io/developer/1803054608) | [Elevate Repair LLC](https://appshunter.io/developer/1895518145) |

## What reviewers say

### Invoice Sail

[App page](https://appshunter.io/ios/app/invoice-sail/id6743469719)

Create and send professional invoices quickly from your mobile device. Manage clients, track payments, and accept online payments to get paid faster. Ideal for freelancers and small businesses needing a simple, secure billing solution.

**Highlights:** Create custom invoices, Accept online payments, Track overdue invoices, Manage clients and payments, Multi-currency support, Secure data storage

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Sail Weekly | $0.49 | per 7 days |
| Invoice Sail Monthly | $0.99 | per month |
| Invoice Sail Yearly | $7.99 | per year |
| Life Time Access Premium | $59.99 | one-time |


### SInvoice

[App page](https://appshunter.io/ios/app/sinvoice-fast-invoice-maker/id6799751085)

Create professional invoices and estimates quickly for your service business. Manage customers, track payments, and organize billing on your iPhone or iPad. Attach photos and documents for easy record-keeping.

**Highlights:** Create professional invoices, Generate estimates, Manage customer information, Track payments and balances, Attach photos and documents, Share documents with customers, View financial reports

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| S Invoice Pro | $4.99 | per month |
| S Invoice Pro | $49.99 | per year |


## Frequently asked questions

### Is Invoice Sail free?

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

### Is SInvoice free?

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

### Which has better reviews, Invoice Sail or SInvoice?

Invoice Sail and SInvoice are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Invoice Sail or SInvoice have ads?

Neither Invoice Sail nor SInvoice shows ads.

### Which is updated more often, Invoice Sail or SInvoice?

Invoice Sail ships an update every 3 days, and SInvoice every 4 days. Most recently, Invoice Sail was updated on November 4, 2026 and SInvoice on November 13, 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.*