# Invoice Maker By GimBooks vs Greatweek.com

The clearest difference is in-app purchases: Greatweek.com at none against Invoice Maker By GimBooks's 3. Greatweek.com also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker By GimBooks sells 3 one-off in-app purchases. Greatweek.com asks for nothing beyond the download.

Invoice Maker By GimBooks ships an update every 5 weeks, Greatweek.com weekly. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Invoice Maker By GimBooks | Greatweek.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/greatweekcom/id1662945960/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 49 MB | 32 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [GIM INFO SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1623803073) | [Great Week LLC](https://appshunter.io/developer/1599041995) |

## What reviewers say

### Invoice Maker By GimBooks

[App page](https://appshunter.io/ios/app/invoice-maker-by-gimbooks/id1623803071)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Subscription | $99.00 | one-time |
| 3 Years Subscription | $199.00 | one-time |
| Lifetime Subscription | $299.00 | one-time |


### Greatweek.com

[App page](https://appshunter.io/ios/app/greatweekcom/id1662945960)

This app streamlines property development business management. It offers access to multiple lenders for project finance and includes innovative tools for expense management and bookkeeping.

**Highlights:** Project finance access, Expense management, Bookkeeping tools, Business management, Lender access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Maker By GimBooks free?

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

### Is Greatweek.com free?

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

### Do Invoice Maker By GimBooks or Greatweek.com have ads?

Neither Invoice Maker By GimBooks nor Greatweek.com shows ads.

### Which is updated more often, Invoice Maker By GimBooks or Greatweek.com?

Invoice Maker By GimBooks ships an update every 5 weeks, and Greatweek.com weekly. Most recently, Invoice Maker By GimBooks was updated on October 24, 2026 and Greatweek.com on October 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.*