# Invoice Maker vs Estimate Maker Flex

Invoice Maker and Estimate Maker Flex both sit at 4.7 stars, but that hides the real split: 97% of Estimate Maker Flex's written reviews are positive against 25% of Invoice Maker's. Estimate Maker Flex also leads on update cadence (every 8 days vs every 4 weeks) and iOS requirement (13.0 vs 15.6). Invoice Maker's advantage is ratings volume (341 vs 101). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker sells 11 in-app purchases, starting at $3.99 per 7 days and Estimate Maker Flex sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Invoice Maker against 4.8 for Estimate Maker Flex. Both are backed by a comparable volume of ratings — 341 and 101 respectively. Written reviews are what separate them: 25% of Invoice Maker's written reviews are positive against 97% of Estimate Maker Flex's.

Invoice Maker ships an update every 4 weeks, Estimate Maker Flex every 8 days. Both last shipped on October 18, 2026.

## The numbers

| Metric | Invoice Maker | Estimate Maker Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (341 ratings)](https://appshunter.io/ios/app/invoice-maker-simple-invoice/id1484622740/reviews) | **[4.8 (101 ratings)](https://appshunter.io/ios/app/estimate-maker-flex/id1594306406/reviews)** |
| Number of ratings | **341** | 101 |
| Positive reviews | 25.0% of reviews | **97.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 99 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Tausif Akram](https://appshunter.io/developer/1528478728) | [B TO J PTY LTD](https://appshunter.io/developer/569308231) |

## What reviewers say

### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-simple-invoice/id1484622740)

Manage your business finances on your iOS device. Generate professional invoices, track sales, inventory, and payments without needing an accountant. Customize templates, add your logo, and manage customer details easily.

**Highlights:** Add company logo to invoices, Customizable invoice templates, Add item, discount, and tax details, Manage products, services, and customers, Generate receipts and track payments, Create estimates for customers, Save, share, and print invoices

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker - Weekly | $3.99 | per 7 days |
| weekly subscription | $3.99 | per 7 days |
| Invoice maker & billing app | $4.99 | per month |
| Invoice Creator - Weekly | $4.99 | per 7 days |
| Unlimited Instant Invoices | $9.99 | per month |
| monthly subscription | $9.99 | per month |
| Invoice Maker Subscription | $14.99 | per 3 months |
| Contract Maker 3 Months PRO | $20.99 | per 3 months |
| yearly subscription | $24.99 | per year |
| Instant Invoices in one go | $29.99 | per year |
| Invoice Maker \| Billing App | $55.99 | per year |

**What reviewers like**

- 👍 User friendly app
- ✨ Beautiful templates
- 💡 Great customizable features
- 🚀 Quick to create/edit invoices
- ✅ Option to save for future use

**What reviewers complain about**

- ❌ Difficult to navigate
- ❌ Not user friendly
- ❌ Paid app with better free alternatives
- ❌ Limited options for item descriptions
- ❌ Insufficient header space

**Reported bugs**

- App not installing
- App not allowing login after subscription
- App crashing after business profile completion
- App freezing on congratulations screen
- App not working after update

**Requested features**

- Arabic language support
- Thai language support
- Ability to specify quantity
- Ability to double same item on invoice
- Support for Indian tax (GST)


### Estimate Maker Flex

[App page](https://appshunter.io/ios/app/estimate-maker-flex/id1594306406)

Create and send professional estimates quickly and easily. Convert estimates to invoices with a single tap. Customize titles, currencies, and date formats for a personalized touch. Works offline and supports multiple templates.

**Highlights:** Create and send estimates, Convert estimates to invoices, Customizable titles and subtitles, Multi-currency support, Multiple date formats, Offline functionality, Professional templates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $5.99 | per month |
| 1 Year Subscription | $49.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient for creating estimates
- 👍 Practical and functional
- 👍 Professional-looking estimates
- 👍 Helpful for business growth

**What reviewers complain about**

- ❓ Translation not complete
- ❓ A little difficult to understand initially
- 🐛 App not opening

**Reported bugs**

- App not opening

**Requested features**

- Add option to get client signature
- Add signature of the person who made the estimate


## Frequently asked questions

### Is Invoice Maker free?

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

### Is Estimate Maker Flex free?

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

### Which has better reviews, Invoice Maker or Estimate Maker Flex?

Estimate Maker Flex is rated higher. Invoice Maker averages 4.7 out of 5 from 341 ratings, while Estimate Maker Flex averages 4.8 from 101 ratings.

### Do Invoice Maker or Estimate Maker Flex have ads?

Neither Invoice Maker nor Estimate Maker Flex shows ads.

### Which is updated more often, Invoice Maker or Estimate Maker Flex?

Invoice Maker ships an update every 4 weeks, and Estimate Maker Flex every 8 days. Most recently, Invoice Maker was updated on October 18, 2026 and Estimate Maker Flex on October 18, 2026.

---

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