# Invoice.app vs Isiro

The clearest difference is in-app purchases: Isiro at none against Invoice.app's 5. Isiro also leads on iOS requirement (14.0.0 vs 18.6). Invoice.app's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Invoice.app sells 5 in-app purchases, starting at $1.99 per month. Isiro asks for nothing beyond the download.

Invoice.app ships an update weekly, Isiro monthly. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Invoice.app | Isiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/invoiceapp-invoice-maker/id1370893360/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 70.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 57 MB |
| Requires iOS | 18.6 | **14.0.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stojanowski Consulting Ltd](https://appshunter.io/developer/939009353) | [Akshay Nagpal](https://appshunter.io/developer/1777827151) |

## What reviewers say

### Invoice.app

[App page](https://appshunter.io/ios/app/invoiceapp-invoice-maker/id1370893360)

Generate invoices, estimates, and other financial documents with this easy-to-use tool. Manage clients, track payments, and customize templates for your business needs. Sync data across devices and work offline.

**Highlights:** Create invoices, estimates, and purchase orders, Track and export expenses, Customize PDF templates, Manage clients and document items, Keep track of payments, Work offline and sync across devices, Offer discounts and convert estimates to invoices

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $1.99 | per month |
| Premium | $4.49 | per month |
| Starter | $19.99 | per year |
| Premium | $34.99 | per year |
| Premium | $99.99 | one-time |


### Isiro

[App page](https://appshunter.io/ios/app/isiro/id6753923145)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice.app free?

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

### Is Isiro free?

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

### Do Invoice.app or Isiro have ads?

Neither Invoice.app nor Isiro shows ads.

### Which is updated more often, Invoice.app or Isiro?

Invoice.app ships an update weekly, and Isiro monthly. Most recently, Invoice.app was updated on October 8, 2026 and Isiro on September 27, 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.*