# Invoice Maker ▸ Invoice Simple vs NDA Blue

The clearest difference is rating: Invoice Maker ▸ Invoice Simple at 4.9 against NDA Blue's 3.0. Invoice Maker ▸ Invoice Simple also leads on review sentiment (64% vs 33%) and ratings volume (123K vs 3). NDA Blue's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (10.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Invoice Maker ▸ Invoice Simple sells 9 in-app purchases, starting at $6.99 per month and NDA Blue sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Invoice Maker ▸ Invoice Simple holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Invoice Maker ▸ Invoice Simple has 123K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 64% of Invoice Maker ▸ Invoice Simple's written reviews are positive against 33% of NDA Blue's.

## The numbers

| Metric | Invoice Maker ▸ Invoice Simple | NDA Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (123K ratings)](https://appshunter.io/ios/app/invoice-maker-invoice-simple/id694831622/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/nda-blue/id1472676721/reviews) |
| Number of ratings | **123K** | 3 |
| Positive reviews | **63.8% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#9** | — |
| Size | 220 MB | 19 MB |
| Requires iOS | 16.4 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zenvoice Inc.](https://appshunter.io/developer/990870994) | [Apps4Life, LLC.](https://appshunter.io/developer/293274590) |

## What reviewers say

### Invoice Maker ▸ Invoice Simple

[App page](https://appshunter.io/ios/app/invoice-maker-invoice-simple/id694831622)

**Currently charting:** #9 Top Grossing · Business (US App Store)

Create and send professional invoices, estimates, and receipts quickly from your mobile device. This app helps individuals and growing businesses get organized, look professional, and get paid faster by accepting online payments.

**Highlights:** Create invoices, estimates, and receipts, Send documents via email, text, or WhatsApp, Accept online payments, Customize invoices with logo and business details, Track invoice status and get payment reminders, Organize client and product information

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essentials Monthly | $6.99 | per month |
| Mobile subscription | $10.99 | per month |
| Monthly Side Business | $10.99 | per month |
| Monthly Business Sub | $11.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Monthly subscription | $13.49 | per month |
| Plus Monthly | $14.99 | per month |
| Monthly Standard Subscription | $17.99 | per month |
| Premium Monthly | $21.99 | per month |

**What reviewers like**

- 🚀 Easy to use
- 👍 Professional-looking invoices
- 🚀 Quick and simple
- 👍 Saves time
- 👍 Convenient mobile access

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Glitches and bugs
- 🔀 Inconsistent features across platforms
- 🔀 Confusing navigation
- 🔀 Limited customization options

**Reported bugs**

- Invoices not sending properly
- App crashing or freezing
- Inability to recover deleted invoices
- Syncing issues between mobile and desktop

**Requested features**

- Add ability to rearrange line items
- Improve search and filtering capabilities
- Integrate with accounting software
- Add option to track expenses and profitability
- Allow multiple business profiles in one account


### NDA Blue

[App page](https://appshunter.io/ios/app/nda-blue/id1472676721)

Quickly generate and digitally sign Non-Disclosure Agreements (NDAs) in under 3 minutes. This app offers advanced signing features like face scanning and geo-encoding, ensuring compliance with U.S. electronic signature laws. Documents are stored securely and can be exported to PDF.

**Highlights:** Automated NDA generation, Digital signature with face scanning, Geo-encoded signatures, Secure local and server storage, PDF export, ESIGN and UETA compliant

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Months NDA | $18.99 | one-time |
| One Year NDA | $19.99 | one-time |
| Two Year NDA | $24.99 | one-time |


## Frequently asked questions

### Is Invoice Maker ▸ Invoice Simple free?

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

### Is NDA Blue free?

NDA Blue is free to download, with in-app purchases available.

### Which has better reviews, Invoice Maker ▸ Invoice Simple or NDA Blue?

Invoice Maker ▸ Invoice Simple is rated higher. Invoice Maker ▸ Invoice Simple averages 4.9 out of 5 from 123K ratings, while NDA Blue averages 3.0 from 3 ratings.

### Do Invoice Maker ▸ Invoice Simple or NDA Blue have ads?

Neither Invoice Maker ▸ Invoice Simple nor NDA Blue shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*