# Invoice Maker, Estimate & Bill vs DRONE SG

The clearest difference is in-app purchases: DRONE SG at none against Invoice Maker, Estimate & Bill's 5. DRONE SG also leads on iOS requirement (13.4 vs 17.0). Invoice Maker, Estimate & Bill's advantage is device support. On price there is nothing between them.

Both are free to download. Invoice Maker, Estimate & Bill sells 5 in-app purchases, starting at $3.99 per 7 days. DRONE SG asks for nothing beyond the download.

## The numbers

| Metric | Invoice Maker, Estimate & Bill | DRONE SG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Size | 24 MB | 82 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | **iPhone, iPad, Apple Watch** | — |
| Age rating | 4+ | 17+ |
| Developer | [GREWON TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1589043091) | [MARITIME TECHNOLOGIES (R&D) PTE. LTD.](https://appshunter.io/developer/1190103871) |

## What reviewers say

### Invoice Maker, Estimate & Bill

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-and-bill/id6449736295)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| 3 Month Subscription | $14.99 | per 3 months |
| 6 Month Subscription | $24.99 | per 6 months |
| Yearly Subscriptions | $39.99 | per year |
| Life Time Access | $5.99 | one-time |


### DRONE SG

[App page](https://appshunter.io/ios/app/drone-sg/id6474726355)

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Maker, Estimate & Bill free?

Invoice Maker, Estimate & Bill is free to download, with in-app purchases available.

### Is DRONE SG free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*