# Invoice Maker + Bill Generator vs OTOPAY | Auto Inventory

The clearest difference is in-app purchases: Invoice Maker + Bill Generator at none against OTOPAY | Auto Inventory's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OTOPAY | Auto Inventory sells 2 in-app purchases, starting at $5.99 per month. Invoice Maker + Bill Generator asks for nothing beyond the download.

## The numbers

| Metric | Invoice Maker + Bill Generator | OTOPAY | Auto Inventory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/invoice-maker-plus-bill-generator/id1494624906/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 92.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 92 MB | 63 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [i24 Limited](https://appshunter.io/developer/1847843413) | [Cihan Alison](https://appshunter.io/developer/1834164853) |

## What reviewers say

### Invoice Maker + Bill Generator

[App page](https://appshunter.io/ios/app/invoice-maker-plus-bill-generator/id1494624906)

Create and send unlimited invoices, estimates, quotes, and receipts for free. This app simplifies bookkeeping for small businesses and freelancers with customizable designs, secure cloud backup, and flexible payment options. Generate professional documents in seconds and manage all your transactions in one place.

**Highlights:** Unlimited invoice creation, Customizable invoice design, Generate estimates and quotes, Create and send receipts, Secure cloud backup, Flexible payment methods, PDF report export

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### OTOPAY | Auto Inventory

[App page](https://appshunter.io/ios/app/otopay-auto-inventory/id6821494361)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Otopay Premium · Monthly | $5.99 | per month |
| Otopay Premium · Annual | $49.99 | per year |


## Frequently asked questions

### Is Invoice Maker + Bill Generator free?

Invoice Maker + Bill Generator is free to download, with no in-app purchases.

### Is OTOPAY | Auto Inventory free?

OTOPAY | Auto Inventory is free to download, with in-app purchases available.

### Do Invoice Maker + Bill Generator or OTOPAY | Auto Inventory have ads?

Neither Invoice Maker + Bill Generator nor OTOPAY | Auto Inventory shows ads.

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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.*