# Smart GST Invoice Generator vs Invoice Maker ▸ Estimate Maker

The clearest difference is update cadence: Invoice Maker ▸ Estimate Maker at every 10 days against Smart GST Invoice Generator's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart GST Invoice Generator sells 1 one-off in-app purchase and Invoice Maker ▸ Estimate Maker sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Smart GST Invoice Generator ships an update every 7 months, Invoice Maker ▸ Estimate Maker every 10 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Smart GST Invoice Generator | Invoice Maker ▸ Estimate Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 82 MB | 96 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) | [Raj Vadodariya](https://appshunter.io/developer/1891697194) |

## What reviewers say

### Smart GST Invoice Generator

[App page](https://appshunter.io/ios/app/smart-gst-invoice-generator/id6760638180)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


### Invoice Maker ▸ Estimate Maker

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-maker/id6810298471)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Yearly | $49.99 | per year |
| Pro Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is Smart GST Invoice Generator free?

Smart GST Invoice Generator is free to download, with in-app purchases available.

### Is Invoice Maker ▸ Estimate Maker free?

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

### Do Smart GST Invoice Generator or Invoice Maker ▸ Estimate Maker have ads?

Neither Smart GST Invoice Generator nor Invoice Maker ▸ Estimate Maker shows ads.

### Which is updated more often, Smart GST Invoice Generator or Invoice Maker ▸ Estimate Maker?

Smart GST Invoice Generator ships an update every 7 months, and Invoice Maker ▸ Estimate Maker every 10 days. Most recently, Smart GST Invoice Generator was updated on November 5, 2026 and Invoice Maker ▸ Estimate Maker on November 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.*