# Invoice Maker・Billing App vs Purchase Order

The clearest difference is update cadence: Invoice Maker・Billing App at every 2 weeks against Purchase Order's every 11 months. Invoice Maker・Billing App also leads on ratings volume (7.3K vs 5) and chart position (#102 vs unranked). Purchase Order's advantage is iOS requirement (13.0 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker・Billing App sells 12 in-app purchases, starting at $7.99 per month and Purchase Order sells 2 in-app purchases, starting at $1.99 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 — 4.7 for Invoice Maker・Billing App against 4.6 for Purchase Order. That said, the two scores are not equally well evidenced: Invoice Maker・Billing App has 7.3K ratings behind it against 5, so its average is the more settled of the two.

Invoice Maker・Billing App ships an update every 2 weeks, Purchase Order every 11 months. The most recent releases landed on October 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Invoice Maker・Billing App | Purchase Order |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7.3K ratings)](https://appshunter.io/ios/app/invoice-makerbilling-app/id1447239633/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/purchase-order-po-maker/id6743700328/reviews) |
| Number of ratings | **7.3K** | 5 |
| Positive reviews | 56.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#102** | — |
| Size | 322 MB | 71 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Saldo Apps Inc.](https://appshunter.io/developer/1277532073) | [SVG Apps](https://appshunter.io/developer/1154426191) |

## What reviewers say

### Invoice Maker・Billing App

[App page](https://appshunter.io/ios/app/invoice-makerbilling-app/id1447239633)

**Currently charting:** #102 Top Grossing · Business (US App Store)

Create and share professional invoices and estimates quickly from any device. Save time on paperwork, stay organized, and get paid faster with customizable branding and payment options. Focus on your business while this app handles your billing.

**Highlights:** Create invoices and estimates quickly, Convert estimates to invoices, Save product/service details, Calculate taxes and discounts, Add payment methods, Customizable branding, Add signatures and photos

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $7.99 | per month |
| Weekly Premium Subscription | $7.99 | per 7 days |
| Weekly Premium Subscription | $7.99 | per 7 days |
| Saldo Apps Premium | $9.99 | per 7 days |
| Saldo Apps Premium | $11.99 | per 7 days |
| Saldo Apps Premium | $14.99 | per month |
| Invoice Maker PRO Monthly | $14.99 | per month |
| Invoice Maker PRO Monthly | $14.99 | per month |
| Monthly subscription | $14.99 | per month |
| Monthly Premium Subscription | $15.99 | per month |
| Annual Premium Subscription | $49.99 | per year |
| Saldo Apps Premium Yearly | $99.99 | per year |

**What reviewers like**

- 👍 User-friendly layout
- 🚀 Fast and efficient
- 📝 Professional-looking invoices
- 💰 Convenient payment options
- 📊 Helpful reporting and tracking features

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔄 Issues with syncing and data loss
- 💰 Subscription model concerns
- 🕰️ Slow response times
- 🔒 Security and login problems

**Reported bugs**

- Invoices not sending properly
- Subscription issues and unexpected charges
- Data loss after app updates or device changes
- Compatibility problems with newer iOS versions
- Invoices showing as drafts unexpectedly

**Requested features**

- Add late fee feature
- Improve invoice customization options
- Integrate with inventory management systems
- Provide better customer support channels
- Offer a one-time purchase option


### Purchase Order

[App page](https://appshunter.io/ios/app/purchase-order-po-maker/id6743700328)

Generate professional purchase orders quickly with customizable templates. Manage unlimited businesses, vendors, and products, and easily share your orders as PDFs. Streamline your procurement process with this user-friendly tool.

**Highlights:** Create unlimited purchase orders, Manage multiple businesses, vendors, and products, Professionally designed templates, Customize with discounts and taxes, Add digital signatures, Export and share as PDF, Import vendors from contacts

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $19.99 | per year |


## Frequently asked questions

### Is Invoice Maker・Billing App free?

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

### Is Purchase Order free?

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

### Which has better reviews, Invoice Maker・Billing App or Purchase Order?

Invoice Maker・Billing App is rated higher. Invoice Maker・Billing App averages 4.7 out of 5 from 7.3K ratings, while Purchase Order averages 4.6 from 5 ratings.

### Do Invoice Maker・Billing App or Purchase Order have ads?

Neither Invoice Maker・Billing App nor Purchase Order shows ads.

### Which is updated more often, Invoice Maker・Billing App or Purchase Order?

Invoice Maker・Billing App ships an update every 2 weeks, and Purchase Order every 11 months. Most recently, Invoice Maker・Billing App was updated on October 25, 2026 and Purchase Order 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.*