# Invoice2go vs Estimate Maker Flex

Invoice2go and Estimate Maker Flex both sit at 4.8 stars, but that hides the real split: 97% of Estimate Maker Flex's written reviews are positive against 54% of Invoice2go's. Estimate Maker Flex also leads on iOS requirement (13.0 vs 15.0). Invoice2go's advantage is ratings volume (55K vs 101) and chart position (#16 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Invoice2go sells 10 in-app purchases, starting at $7.95 per month 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 — 4.8 for Invoice2go against 4.8 for Estimate Maker Flex. That said, the two scores are not equally well evidenced: Invoice2go has 55K ratings behind it against 101, so its average is the more settled of the two. Written reviews are what separate them: 54% of Invoice2go's written reviews are positive against 97% of Estimate Maker Flex's.

Invoice2go ships an update fortnightly, Estimate Maker Flex every 8 days. Both last shipped on September 27, 2026.

## The numbers

| Metric | Invoice2go | Estimate Maker Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (55K ratings)](https://appshunter.io/ios/app/invoice2go-easy-invoice-maker/id540236748/reviews) | [4.8 (101 ratings)](https://appshunter.io/ios/app/estimate-maker-flex/id1594306406/reviews) |
| Number of ratings | **55K** | 101 |
| Positive reviews | 54.2% of reviews | **97.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#16** | — |
| Size | 180 MB | 99 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Invoice2go.com](https://appshunter.io/developer/322773085) | [B TO J PTY LTD](https://appshunter.io/developer/569308231) |

## What reviewers say

### Invoice2go

[App page](https://appshunter.io/ios/app/invoice2go-easy-invoice-maker/id540236748)

**Currently charting:** #16 Top Grossing · Business (US App Store)

Create and send professional invoices and estimates quickly for your small business. Track payments, manage expenses by snapping receipt photos, and get paid faster online. This tool helps freelancers and contractors stay organized and get paid on time.

**Highlights:** Create professional invoices and estimates, Add business logo and branding, Convert estimates to invoices, Accept online payments, Track expenses with receipt photos, Send automatic payment reminders, Sync across devices

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $7.95 | per month |
| Starter | $7.99 | per month |
| Standard | $11.95 | per month |
| Professional | $11.95 | per month |
| Professional | $11.95 | per month |
| Standard | $14.95 | per month |
| Standard | $14.95 | per month |
| Premium | $44.95 | per month |
| Unlimited | $44.95 | per month |
| Starter Package - 12 month | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customizable invoices
- 🚀 Quick invoicing
- 👍 Helpful for small businesses
- 🚀 Seamless integration

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 💰 Expensive subscription fees
- 🔒 Security and privacy concerns
- 🐛 Unreliable syncing and data loss
- 👎 Poor customer support

**Reported bugs**

- Invoices disappearing or getting duplicated
- Inability to access past invoices after subscription expires
- Automatic payment features causing issues
- Login problems and inability to access account
- Inconsistent behavior after app updates

**Requested features**

- Ability to print invoices in bulk
- Option to attach PDF files to invoices
- Improved search and filtering functionality
- Integration with accounting software
- Calendar view for tracking appointments


### 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 Invoice2go free?

Invoice2go 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, Invoice2go or Estimate Maker Flex?

Invoice2go and Estimate Maker Flex are both rated 4.8 out of 5 on the App Store, from 55K and 101 ratings respectively.

### Do Invoice2go or Estimate Maker Flex have ads?

Neither Invoice2go nor Estimate Maker Flex shows ads.

### Which is updated more often, Invoice2go or Estimate Maker Flex?

Invoice2go ships an update fortnightly, and Estimate Maker Flex every 8 days. Most recently, Invoice2go was updated on September 27, 2026 and Estimate Maker Flex on September 27, 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.*