# Invoice Maker + Bill Generator vs 即应 AI

Invoice Maker + Bill Generator and 即应 AI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invoice Maker + Bill Generator ships an update every 2 weeks, 即应 AI every 10 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Invoice Maker + Bill Generator | 即应 AI |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 92 MB | 110 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [i24 Limited](https://appshunter.io/developer/1847843413) | [北京长亭科技有限公司](https://appshunter.io/developer/1887512147) |

## 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


### 即应 AI

[App page](https://appshunter.io/ios/app/ai/id6793547066)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Maker + Bill Generator free?

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

### Is 即应 AI free?

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

### Do Invoice Maker + Bill Generator or 即应 AI have ads?

Neither Invoice Maker + Bill Generator nor 即应 AI shows ads.

### Which is updated more often, Invoice Maker + Bill Generator or 即应 AI?

Invoice Maker + Bill Generator ships an update every 2 weeks, and 即应 AI every 10 days. Most recently, Invoice Maker + Bill Generator was updated on November 3, 2026 and 即应 AI on November 6, 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.*