# Invoice Maker by SPK vs Simple Invoice Maker

Invoice Maker by SPK and Simple Invoice Maker both sit at 4.8 stars, but that hides the real split: 100% of Simple Invoice Maker's written reviews are positive against 73% of Invoice Maker by SPK's. Invoice Maker by SPK's advantage is ratings volume (906 vs 11) and update cadence (weekly vs every 3 weeks). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker by SPK sells 9 in-app purchases, starting at $4.99 per month and Simple Invoice Maker sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Invoice Maker by SPK against 4.8 for Simple Invoice Maker. That said, the two scores are not equally well evidenced: Invoice Maker by SPK has 906 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 73% of Invoice Maker by SPK's written reviews are positive against 100% of Simple Invoice Maker's.

Invoice Maker by SPK ships an update weekly, Simple Invoice Maker every 3 weeks. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Invoice Maker by SPK | Simple Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (906 ratings)](https://appshunter.io/ios/app/invoice-maker-by-spk/id1575877820/reviews) | **[4.8 (11 ratings)](https://appshunter.io/ios/app/simple-invoice-maker-invo/id6478788721/reviews)** |
| Number of ratings | **906** | 11 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 46 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SPK Studios LLC](https://appshunter.io/developer/1575877822) | [Hypex Mobile](https://appshunter.io/developer/1773535682) |

## What reviewers say

### Invoice Maker by SPK

[App page](https://appshunter.io/ios/app/invoice-maker-by-spk/id1575877820)

Create and send professional PDF invoices and estimates quickly and easily. This ad-free, watermark-free app is ideal for small business owners, consultants, and freelancers on the go. Customize templates, track clients, and manage your billing efficiently.

**Highlights:** Create unlimited invoices and estimates, No ads or watermarks, Customizable invoice fields, Client list management, Multiple sharing options (email, WhatsApp, text), Convert estimates to invoices, Company logo and signature upload

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Invoice Generator | $4.99 | per month |
| The Invoice Maker | $7.99 | per month |
| Invoice Maker App | $9.99 | per month |
| Invoice Maker Pro | $9.99 | per month |
| Smart Invoice Maker | $39.99 | per year |
| Quick Invoice Maker | $59.99 | per year |
| Invoice Maker Professional | $69.99 | per year |
| App Invoice Maker | $89.99 | per year |
| Invoice Maker Plus | $89.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Helpful features
- ⭐ Great app overall

**What reviewers complain about**

- 🐛 Data loss issues
- 🔒 Lack of device sync
- 📝 Limited item descriptions
- 🔧 Unreliable functionality

**Reported bugs**

- Invoices not updating correctly
- Inability to unsubscribe from paid features

**Requested features**

- Ability to sync data across devices
- Increased character limit for item descriptions
- Improved customer support


### Simple Invoice Maker

[App page](https://appshunter.io/ios/app/simple-invoice-maker-invo/id6478788721)

Create professional invoices, estimates, and receipts quickly and easily. Customize your documents with your logo and brand colors, and share them instantly via email or messaging apps. This app simplifies billing for businesses and freelancers worldwide.

**Highlights:** Fast invoice creation, Add logo and signature, Share via WhatsApp and email, Customizable colors, Global compliance, Secure data encryption

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $8.99 | per month |
| Annual Subscription | $34.99 | per year |


## Frequently asked questions

### Is Invoice Maker by SPK free?

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

### Is Simple Invoice Maker free?

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

### Which has better reviews, Invoice Maker by SPK or Simple Invoice Maker?

Simple Invoice Maker is rated higher. Invoice Maker by SPK averages 4.8 out of 5 from 906 ratings, while Simple Invoice Maker averages 4.8 from 11 ratings.

### Do Invoice Maker by SPK or Simple Invoice Maker have ads?

Neither Invoice Maker by SPK nor Simple Invoice Maker shows ads.

### Which is updated more often, Invoice Maker by SPK or Simple Invoice Maker?

Invoice Maker by SPK ships an update weekly, and Simple Invoice Maker every 3 weeks. Most recently, Invoice Maker by SPK was updated on October 18, 2026 and Simple Invoice Maker on October 15, 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.*