# Shift Day Work Calendar vs Invoice CoC

The clearest difference is in-app purchases: Invoice CoC at none against Shift Day Work Calendar's 14. Invoice CoC also leads on ads (none vs shown) and rating (5.0 vs 4.7). Shift Day Work Calendar's advantage is update cadence (every 4 days vs every 5 weeks) and ratings volume (14K vs 1). On price and device support there is nothing between them.

Both are free to download. Shift Day Work Calendar sells 10 in-app purchases, starting at $4.99 per month. Invoice CoC asks for nothing beyond the download.

Invoice CoC holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Shift Day Work Calendar has 14K ratings behind it against 1, so its average is the more settled of the two.

Shift Day Work Calendar ships an update every 4 days, Invoice CoC every 5 weeks. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Shift Day Work Calendar | Invoice CoC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (14K ratings)](https://appshunter.io/ios/app/shift-day-work-calendar-spoke/id1016565262/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/invoice-coc/id6759819822/reviews)** |
| Number of ratings | **14K** | 1 |
| Positive reviews | 85.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Freemium | **Free** |
| Size | 243 MB | 46 MB |
| Requires iOS | 17.3 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PIXO Incorporation](https://appshunter.io/developer/541568418) | [Fridge24, LLC](https://appshunter.io/developer/1655062069) |

## What reviewers say

### Shift Day Work Calendar

[App page](https://appshunter.io/ios/app/shift-day-work-calendar-spoke/id1016565262)

Easily track your work shifts with a clear, intuitive calendar. Assign colors and names to shifts, add reminders, and view your entire month at a glance. Share your schedule and sync across devices.

**Highlights:** Color-coded shift tracking, Intuitive rota interface, Shift widget, Schedule sharing, iCloud sync, Push notifications

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription Trial | $4.99 | per month |
| Month-Subscription | $4.99 | per month |
| Monthly Subscription Trial | $4.99 | per month |
| Yearly Subscription Intro Offer | $19.99 | per year |
| Yearly Subscription Special Offer | $24.99 | per year |
| Yearly Pro Subscription Trial | $34.99 | per year |
| Year-Subscription | $34.99 | per year |
| Yearly Pro Subscription | $34.99 | per year |
| Pro Upgrade Now | $2.99 | one-time |
| Pro Upgrade | $79.99 | one-time |

**What reviewers like**

- 🚀 Simple and efficient
- 👍 Easy to use and navigate
- 🎨 Helpful color coding
- 🗓️ Convenient for shift scheduling
- ⏰ Shift reminders

**What reviewers complain about**

- 🔒 Paid upgrade required for full functionality
- 🔀 Issues with syncing across devices
- 🗓️ Limited view of calendar
- 📝 Memos not prominently displayed

**Reported bugs**

- App crashing or closing unexpectedly
- Shifts not displaying correctly
- Issues with paid version not working after device change

**Requested features**

- Ability to add more than 2 shifts per day
- Integration with other calendar apps
- Customizable color options
- Recurring memo/event feature
- Week view option


### Invoice CoC

[App page](https://appshunter.io/ios/app/invoice-coc/id6759819822)

Quickly generate and send professional invoices directly from your mobile device. Track outstanding payments and enhance your brand by adding a custom logo. Download your invoices as documents for easy record-keeping.

**Highlights:** Create invoices in seconds, Send invoices instantly, Track outstanding payments, Add custom logo, Download invoice documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Day Work Calendar free?

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

### Is Invoice CoC free?

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

### Which has better reviews, Shift Day Work Calendar or Invoice CoC?

Invoice CoC is rated higher. Shift Day Work Calendar averages 4.7 out of 5 from 14K ratings, while Invoice CoC averages 5.0 from 1 ratings.

### Do Shift Day Work Calendar or Invoice CoC have ads?

Shift Day Work Calendar shows ads; Invoice CoC does not.

### Which is updated more often, Shift Day Work Calendar or Invoice CoC?

Shift Day Work Calendar ships an update every 4 days, and Invoice CoC every 5 weeks. Most recently, Shift Day Work Calendar was updated on October 29, 2026 and Invoice CoC on October 10, 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.*