# Invoice AI vs Delta PMS

The clearest difference is in-app purchases: Delta PMS at none against Invoice AI's 4. Delta PMS also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice AI sells 4 in-app purchases, starting at $6.99 per month. Delta PMS asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Invoice AI | Delta PMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/invoice-ai-invoice-maker/id6444627261/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 128 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aiazing Limited Liability Company](https://appshunter.io/developer/1638987009) | [DeltaHQ](https://appshunter.io/developer/1812582798) |

## What reviewers say

### Invoice AI

[App page](https://appshunter.io/ios/app/invoice-ai-invoice-maker/id6444627261)

Manage your business finances with an all-in-one mobile app. Create professional invoices, automatically track mileage for tax deductions, and organize receipts and expenses with smart scanning. Designed for freelancers and small business owners to simplify accounting.

**Highlights:** Quick invoice creation, Automatic GPS mileage tracking, Smart receipt scanning and categorization, Expense tracking and reporting, Cloud storage for data security, IRS-ready reports

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Pro Monthly | $6.99 | per month |
| Business Pro Monthly | $12.99 | per month |
| Personal Pro Yearly | $34.99 | per year |
| Business Pro | $99.99 | per year |


### Delta PMS

[App page](https://appshunter.io/ios/app/delta-pms-host/id6745501161)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invoice AI free?

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

### Is Delta PMS free?

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

### Do Invoice AI or Delta PMS have ads?

Invoice AI shows ads; Delta PMS does not.

### Which is updated more often, Invoice AI or Delta PMS?

Invoice AI ships an update fortnightly, and Delta PMS fortnightly. Most recently, Invoice AI was updated on October 3, 2026 and Delta PMS on October 30, 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.*