# Invoice Maker by SPK vs Invoice Maker + Estimate App

The clearest difference is review sentiment: Invoice Maker + Estimate App at 100% against Invoice Maker by SPK's 73%. Invoice Maker + Estimate App also leads on rating (5.0 vs 4.8). Invoice Maker by SPK's advantage is ratings volume (911 vs 95) and update cadence (weekly vs fortnightly). On price, ads, in-app purchases and monetization model 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 Invoice Maker + Estimate App sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Invoice Maker + Estimate App holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Invoice Maker by SPK has 911 ratings behind it against 95, so its average is the more settled of the two. Written reviews point the same way: 73% of Invoice Maker by SPK's written reviews are positive against 100% of Invoice Maker + Estimate App's.

Invoice Maker by SPK ships an update weekly, Invoice Maker + Estimate App fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Invoice Maker by SPK | Invoice Maker + Estimate App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (911 ratings)](https://appshunter.io/ios/app/invoice-maker-by-spk/id1575877820/reviews) | **[5.0 (95 ratings)](https://appshunter.io/ios/app/invoice-maker-plus-estimate-app/id1594991692/reviews)** |
| Number of ratings | **911** | 95 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 11 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPK Studios LLC](https://appshunter.io/developer/1575877822) | [Daniel Bitton](https://appshunter.io/developer/1547594961) |

## 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


### Invoice Maker + Estimate App

[App page](https://appshunter.io/ios/app/invoice-maker-plus-estimate-app/id1594991692)

Easily create professional invoices, estimates, and receipts on the go. Customize with multiple themes and options to suit your business needs. Send documents to clients instantly with a user-friendly interface.

**Highlights:** Generate invoices and estimates, Multiple customisation options, User-friendly interface, Save multiple businesses, Professionally designed themes, Manually sign feature, Organize paid/unpaid invoices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Unlock all premium features | $27.99 | 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 Invoice Maker + Estimate App free?

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

### Which has better reviews, Invoice Maker by SPK or Invoice Maker + Estimate App?

Invoice Maker + Estimate App is rated higher. Invoice Maker by SPK averages 4.8 out of 5 from 911 ratings, while Invoice Maker + Estimate App averages 5.0 from 95 ratings.

### Do Invoice Maker by SPK or Invoice Maker + Estimate App have ads?

Neither Invoice Maker by SPK nor Invoice Maker + Estimate App shows ads.

### Which is updated more often, Invoice Maker by SPK or Invoice Maker + Estimate App?

Invoice Maker by SPK ships an update weekly, and Invoice Maker + Estimate App fortnightly. Most recently, Invoice Maker by SPK was updated on October 24, 2026 and Invoice Maker + Estimate App on October 24, 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.*