# QI - Invoice & estimate maker — Self employed billing PRO app

> Freelancer time tracking and invoice generation tool with project management. (iPhone/iPad app by Miguel Munoz.)

- Source: https://appshunter.io/ios/app/qi-invoice-and-estimate-maker/id1418743367 (this page in markdown: same URL + `.md`)
- Developer: [Miguel Munoz](https://appshunter.io/developer/338839080)
- Category: Business, Productivity
- Price: Free with in-app purchases
- Rating: 4.60/5 from 22 App Store ratings · 8 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 21 MB
- Languages: American English, European Spanish
- Released: 2019-01-11
- Data updated: 2026-06-03
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/qi-invoice-and-estimate-maker/id1418743367/reviews.md

## What is QI?

Quick Invoice is the best app for freelancers who need to keep of their work hours and billing.

KEY FEATURES
• Track working time with support for multi projects
• Exporting reports for clients / accountant in CSV
• Ability to hide projects with Touch Id / Face Id
• Custom invoices (logo and colors)
• Invoices in 23 different languages
• Setting up a monthly billing goal

And much more on the way!

--

Upgrade to Quick Invoice PRO for a more powerful experience ($3.99 monthly, $35.99 annually):

• Create your invoices in a moment
• Customize them with your logo and the colors of your business
• Invoices in 23 different languages
• Detailed and personalized reports for your clients in CSV

Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your account will be charged $3.99 (monthly) or $35.99 (yearly) for renewal within 24 hours prior to the end of the current period. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. It will not be possible to immediately cancel a subscription. You can manage subscriptions and turn off auto-renewal by going to your Account Settings after purchase. Refunds are not available for unused portions of a subscription.

Terms and conditions:
https://termsfeed.com/terms-conditions/786e56c3095f36f3ff2f71cbbd1ef70f

Privacy policy: https://termsfeed.com/privacy-policy/1a71a1daf9ae519bd200bf552864eab9

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

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


## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/qi-invoice-and-estimate-maker/id1418743367/reviews.md

### 2/5 — Some messages are in Spanish

*2023-10-11, version 5.1*

Please give choice of language

### 5/5 — Great app!

*2020-05-07*

I’ve been a freelancer for 20+ years and keeping track of my projects and invoicing clients has always been a hassle. I’ve tried countless of methods along the years but this app is fantastic. Simple to use and gets the job done, exports to CVS for my accounting, etc... great job!

### 1/5 — Reduced to 5 tasks now. Useless

*2019-10-13*

Useless now

**Developer response:** Hello! I am very sorry that you are not useful. With hourly worker PRO you can create unlimited tasks, invoices in 23 languages, generate customized reports. I need to generate income in order to continue maintaining the app as it has been until now, 17 updates in 9 months !!! Thank you very much for using Hourly worker so far and I hope you continue using it in the future. New features are coming soon!

### 2/5 — Poner minutos

*2019-01-22, version 1.1*

Está bien lo único que por ejemplo yo la necesito para apuntar las horas del trabajo y solo me deja poner horas exacto, no me deja poner minutos como por ejemplo 7:45h eso es lo que le falta

### 5/5 — Just Amazing

*2019-01-18, version 1.0.2*

This is the best for invoice and more exclusive about time tracker. In short very important of free lancers for set target. Just woow.

### 5/5 — Aplicacion muy buena para autonomos

*2019-01-16, version 1.0.2*

Me solventa maravillosamente la vida, sobretodo el tema de las facturas, una buena app para ios.

### 4/5 — Great app

*2019-01-12*

I recently download this app for invoice, I really liked this app, great concept, nice user interface and track hours and time, thanks

### 5/5 — Muy práctica!

*2019-01-11, version 1.0.1*

Buscaba una app sencilla para poner orden en mis trabajos y ésta me lo resuelve muy bien.

## Frequently asked questions about QI

### What is QI - Invoice & estimate maker?

QI - Invoice & estimate maker is a business app designed to help freelancers and self-employed individuals track their work hours, manage projects, and create professional invoices and estimates.

### What are the key features of QI - Invoice & estimate maker?

Key features include tracking working time across multiple projects, creating custom invoices with logos and colors, exporting reports in CSV format, and supporting 23 different languages.

### Is QI - Invoice & estimate maker free to use?

The app offers a free version with core functionalities. For a more powerful experience, there are PRO subscription options available, starting at $3.99 monthly or $35.99 annually.

### What are the subscription options for QI - Invoice & estimate maker?

Subscription plans include 'Quick invoices & estimates' at $3.99 per month with a 7-day free trial, and 'Quick invoice PDF maker' at $33.99 per year, also with a 7-day free trial.

### How does QI - Invoice & estimate maker handle project security?

Projects can be hidden securely using Touch ID or Face ID, providing an extra layer of privacy for your work.

### Can I customize invoices with my business branding in QI - Invoice & estimate maker?

Yes, the PRO version allows you to customize invoices with your own logo and the colors of your business, enhancing your professional image.

### What devices does QI - Invoice & estimate maker support?

QI - Invoice & estimate maker is available for iPhone, iPad, and iPod, making it accessible across Apple devices.

### How often is QI - Invoice & estimate maker updated?

The app was last updated on May 6, 2021, with version 5.1. While specific update frequency isn't detailed, this indicates ongoing development.

## Version history (last 5 releases)

### 5.1 — 2021-05-06

We have added improvements in the organization of projects and invoices. Now you can create quarterly reports.

### 5.0 — 2021-02-03

We have added recurring invoices and other improvements

### 4.3 — 2020-07-19

In this version we have added minor improvements in translations

### 4.2.1 — 2020-07-03

In this version we have improved the experience when you browse the app

### 4.2 — 2020-07-01

We have improved the stability of the app and also:
- Sync with iCloud (cloudKit)
- Data protection and privacy with Face ID
- Ability to create quotes for projects
- Projects with fixed price
- Multiple invoicing profiles (each with its own currency and numbering)
- Streamlined interface and design

## Apps similar to QI

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Invoice Maker by Invoice Home](https://appshunter.io/ios/app/invoice-maker-by-invoice-home/id1435778692) | 4.6 (362) | Free | Business |
| [Invoice Maker: Simple Invoice](https://appshunter.io/ios/app/invoice-maker-simple-invoice/id1484622740) | 4.7 (342) | Free | Business |
| [Square Invoices: Invoice Maker](https://appshunter.io/ios/app/square-invoices-invoice-maker/id1405254630) | 4.8 (91,904) | Free | Business |
| [Invoice & Estimate Maker](https://appshunter.io/ios/app/invoice-and-estimate-maker/id1271353929) | 4.9 (10,606) | Free | Business |
| [Invoice Maker・The Estimate App](https://appshunter.io/ios/app/invoice-makerthe-estimate-app/id1447239633) | 4.8 (7,134) | Free | Business |
| [Receipt & Invoice Maker App](https://appshunter.io/ios/app/receipt-and-invoice-maker-app/id1588601728) | 4.7 (398) | Free | Business |

## More apps by Miguel Munoz

- [Mispelled: A word game to challenge your knowledge](https://appshunter.io/ios/app/mispelled-a-word-game-to-challenge-your-knowledge/id1122171008)
- [Bit Soccer arcade game](https://appshunter.io/ios/app/bit-soccer-arcade-game/id1196231709)
- [Safe Invoice - Easy generator](https://appshunter.io/ios/app/safe-invoice-easy-generator/id1548108546)
- [Simple Maths for Kids -](https://appshunter.io/ios/app/simple-maths-for-kids/id1597590062)

All apps by Miguel Munoz: https://appshunter.io/developer/338839080

## Related topics

[miguel munoz](https://appshunter.io/ios/topics/miguel-munoz)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*