# RD Calculator vs Invoice and Estimates

The clearest difference is in-app purchases: RD Calculator at none against Invoice and Estimates's 3. RD Calculator also leads on iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Invoice and Estimates sells 3 in-app purchases, starting at $4.99 per month. RD Calculator asks for nothing beyond the download.

## The numbers

| Metric | RD Calculator | Invoice and Estimates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/invoice-and-estimates/id6736815144/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 43 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [i15tech](https://appshunter.io/developer/1730900236) | [Uncle Sams Tech LLC](https://appshunter.io/developer/1750197174) |

## What reviewers say

### RD Calculator

[App page](https://appshunter.io/ios/app/rd-calculator/id6479597632)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice and Estimates

[App page](https://appshunter.io/ios/app/invoice-and-estimates/id6736815144)

This app helps small businesses and freelancers create and share professional invoices and estimates. It allows you to save client and inventory details for faster billing and keeps all your payment statuses organized in one place.

**Highlights:** Create custom invoices and estimates, Track payment statuses (paid, unpaid, pending), Save client and inventory details, Share invoices and estimates directly, Organize billing records

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Lifetime Subscription | $39.99 | one-time |


## Frequently asked questions

### Is RD Calculator free?

RD Calculator is free to download, with no in-app purchases.

### Is Invoice and Estimates free?

Invoice and Estimates is free to download, with in-app purchases available.

### Do RD Calculator or Invoice and Estimates have ads?

Neither RD Calculator nor Invoice and Estimates shows ads.

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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.*