# Invoice Estimate Maker vs QI

The clearest difference is monetization model: QI at freemium against Invoice Estimate Maker's subscription. QI also leads on update cadence (weekly vs monthly) and iOS requirement (13.0 vs 15.2). Invoice Estimate Maker's advantage is review sentiment (97% vs 63%) and rating (4.9 vs 4.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Invoice Estimate Maker sells 8 in-app purchases, starting at $2.99 per month and QI sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Invoice Estimate Maker holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Invoice Estimate Maker has 531 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 97% of Invoice Estimate Maker's written reviews are positive against 63% of QI's.

Invoice Estimate Maker ships an update monthly, QI weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Invoice Estimate Maker | QI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (531 ratings)](https://appshunter.io/ios/app/invoice-estimate-maker/id875169014/reviews)** | [4.6 (22 ratings)](https://appshunter.io/ios/app/qi-invoice-and-estimate-maker/id1418743367/reviews) |
| Number of ratings | **531** | 22 |
| Positive reviews | **96.8% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Subscription | **Freemium** |
| Size | 25 MB | 21 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [SpeedSolutions Pty Ltd](https://appshunter.io/developer/521353246) | [Miguel Munoz](https://appshunter.io/developer/338839080) |

## What reviewers say

### Invoice Estimate Maker

[App page](https://appshunter.io/ios/app/invoice-estimate-maker/id875169014)

Create professional invoices and estimates with customizable templates and over 500 background images. Securely store and back up your data, and allow customers to sign directly on your device. Share invoices via email, print, or messaging apps.

**Highlights:** Professional invoice and estimate creation, Customizable templates with 500+ backgrounds, Customer signature capture, Secure cloud data backup, Email, print, and share options, Logo and signature upload, Sales tax reporting

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Monthly subscription | $5.49 | per month |
| Monthly Subscription | $8.49 | per month |
| Månedlig abonnement | $8.99 | per month |
| Monthly subscription | $8.99 | per month |
| Monthly subscription | $11.99 | per month |
| Monthly subscript | $11.99 | per month |
| Monthly subscript | $15.99 | per month |

**What reviewers like**

- 🚀 Easy to use
- 👍 Professional-looking invoices
- 🚀 Quick and efficient
- 👍 Convenient for on-the-go business
- 👍 Streamlines invoicing and billing

**What reviewers complain about**

- 🐛 Scrolling issues with new update
- 🐛 Blurry photo uploads
- 💰 Expensive for some small businesses

**Reported bugs**

- Scrolling issues with new update
- Blurry photo uploads

**Requested features**

- Ability to rearrange line items on invoices
- Signature capture for customers
- Statements and other advanced features


### QI

[App page](https://appshunter.io/ios/app/qi-invoice-and-estimate-maker/id1418743367)

This app helps self-employed individuals and freelancers track work hours, manage projects, and generate professional invoices and estimates. Customize invoices with your logo and colors, and export reports in CSV format for clients or accountants.

**Highlights:** Track working time across multiple projects, Generate custom invoices with logo and colors, Export reports in CSV format, Support for 23 languages, Set monthly billing goals, Secure project hiding with Touch ID/Face ID

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick invoices & estimates | $3.99 | per month |
| Quick invoice PDF maker | $33.99 | per year |


## Frequently asked questions

### Is Invoice Estimate Maker free?

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

### Is QI free?

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

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

Invoice Estimate Maker is rated higher. Invoice Estimate Maker averages 4.9 out of 5 from 531 ratings, while QI averages 4.6 from 22 ratings.

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

Neither Invoice Estimate Maker nor QI shows ads.

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

Invoice Estimate Maker ships an update monthly, and QI weekly. Most recently, Invoice Estimate Maker was updated on October 24, 2026 and QI 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.*