# Shift Work vs Invoice Tracker

The clearest difference is in-app purchases: Invoice Tracker at none against Shift Work's 3. Shift Work's advantage is update cadence (every 2 days vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Shift Work sells 3 in-app purchases, starting at $1.99 per month. Invoice Tracker asks for nothing beyond the download.

Shift Work ships an update every 2 days, Invoice Tracker every 4 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Shift Work | Invoice Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shift-work-calendar-and-hours/id6757112986/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Free | — |
| Size | 16 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adrian Garcia](https://appshunter.io/developer/1864636238) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Shift Work

[App page](https://appshunter.io/ios/app/shift-work-calendar-and-hours/id6757112986)

Organize your work schedule and track your earnings with this intuitive app. Designed for shift workers, it offers a visual calendar and real-time profit calculation, ensuring you always know your income.

**Highlights:** Visual shift calendar, Real-time earnings calculator, Quick shift creation, Monthly income summary, Multiple hourly rates, Local data storage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $12.99 | per year |
| Pro Lifetime | $44.99 | one-time |


### Invoice Tracker

[App page](https://appshunter.io/ios/app/invoice-tracker-billing-app/id6772258657)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Work free?

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

### Is Invoice Tracker free?

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

### Do Shift Work or Invoice Tracker have ads?

Neither Shift Work nor Invoice Tracker shows ads.

### Which is updated more often, Shift Work or Invoice Tracker?

Shift Work ships an update every 2 days, and Invoice Tracker every 4 months. Most recently, Shift Work was updated on October 9, 2026 and Invoice Tracker on October 7, 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.*