# Invoice Maker vs WALMI Emergency Button

The clearest difference is rating: Invoice Maker at 4.7 against WALMI Emergency Button's 4.0. Invoice Maker also leads on ads (none vs shown) and ratings volume (701 vs 4). WALMI Emergency Button's advantage is update cadence (daily vs every 2 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Invoice Maker sells 6 in-app purchases, starting at $6.99 per 7 days and WALMI Emergency Button sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Invoice Maker holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Invoice Maker has 701 ratings behind it against 4, so its average is the more settled of the two.

Invoice Maker ships an update every 2 weeks, WALMI Emergency Button daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Invoice Maker | WALMI Emergency Button |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (701 ratings)](https://appshunter.io/ios/app/invoice-maker-invowrap-ai/id6767138733/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/walmi-emergency-button/id6785089585/reviews) |
| Number of ratings | **701** | 4 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 175 MB | 60 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GENIUS AI LABS PTE. LTD](https://appshunter.io/developer/1823185317) | [EASYPRO PLUS LLC](https://appshunter.io/developer/6785089587) |

## What reviewers say

### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-invowrap-ai/id6767138733)

Create professional invoices quickly using voice commands. This app transforms spoken job details into editable invoice items and polished PDFs, ideal for on-the-go billing. Streamline your invoicing process without complex data entry.

**Highlights:** Voice-first invoice creation, AI parsing of natural language for items, Fast PDF invoice export, Editable invoice details, Payment status tracking, Professional invoice templates

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Talkinvoice,1week | $6.99 | per 7 days |
| InvoWrap Pro，1week | $6.99 | per 7 days |
| InvoWrap Pro，1 week | $7.99 | per 7 days |
| Talkinvoice,1year | $69.99 | per year |
| InvoWrap Pro，1year | $69.99 | per year |
| InvoWrap Pro，1 year | $79.99 | per year |


### WALMI Emergency Button

[App page](https://appshunter.io/ios/app/walmi-emergency-button/id6785089585)

Securely store and organize your most important documents with end-to-end encryption. Keep files private, accessible only to you, with features like biometric unlock and temporary sharing.

**Highlights:** End-to-end encryption, Store photos, PDFs, and other files, Organize with folders, Instant search, Temporary sharing, Biometric unlock, Automatic lock

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal | $3.99 | per month |
| Familiar | $9.99 | per month |
| Protection | $19.99 | per month |


## Frequently asked questions

### Is Invoice Maker free?

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

### Is WALMI Emergency Button free?

WALMI Emergency Button is free to download, with in-app purchases available.

### Which has better reviews, Invoice Maker or WALMI Emergency Button?

Invoice Maker is rated higher. Invoice Maker averages 4.7 out of 5 from 701 ratings, while WALMI Emergency Button averages 4.0 from 4 ratings.

### Do Invoice Maker or WALMI Emergency Button have ads?

WALMI Emergency Button shows ads; Invoice Maker does not.

### Which is updated more often, Invoice Maker or WALMI Emergency Button?

Invoice Maker ships an update every 2 weeks, and WALMI Emergency Button daily. Most recently, Invoice Maker was updated on November 5, 2026 and WALMI Emergency Button on October 31, 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.*