# QDEF vs Billable Time & Client Tracker

The clearest difference is in-app purchases: QDEF at none against Billable Time & Client Tracker's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Billable Time & Client Tracker sells 3 in-app purchases, starting at $9.99 per 7 days. QDEF asks for nothing beyond the download.

QDEF ships an update every 2 months, Billable Time & Client Tracker every 5 weeks. The most recent releases landed on August 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | QDEF | Billable Time & Client Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/billable-time-and-client-tracker/id6753334782/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 38 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [QDEF SOFTWARE SOLUTIONS INC.](https://appshunter.io/developer/1661297914) | [Loheden AI Solutions AB](https://appshunter.io/developer/1553086985) |

## What reviewers say

### QDEF

[App page](https://appshunter.io/ios/app/qdef/id1661297912)

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

**In-app purchases:** none


### Billable Time & Client Tracker

[App page](https://appshunter.io/ios/app/billable-time-and-client-tracker/id6753334782)

This app helps freelancers and contractors track billable hours, generate professional invoices, and manage payments. It prioritizes user privacy by storing all data locally, with optional iCloud backup. Gain insights into your business growth and manage multiple currencies.

**Highlights:** Track billable hours automatically, Generate professional invoices instantly, Manage client payments and due dates, Local data storage for privacy, Optional iCloud backup, Multi-currency support, Weekly progress summaries

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lan Invoice - Weekly | $9.99 | per 7 days |
| Lan Invoice - Quarterly | $39.99 | per 3 months |
| Lan Invoice - Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is QDEF free?

QDEF is free to download, with no in-app purchases.

### Is Billable Time & Client Tracker free?

Billable Time & Client Tracker is free to download, with in-app purchases available.

### Do QDEF or Billable Time & Client Tracker have ads?

Neither QDEF nor Billable Time & Client Tracker shows ads.

### Which is updated more often, QDEF or Billable Time & Client Tracker?

QDEF ships an update every 2 months, and Billable Time & Client Tracker every 5 weeks. Most recently, QDEF was updated on August 17, 2026 and Billable Time & Client Tracker on September 15, 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.*