# Formkit vs Simple Invoice | Receipt Maker

The clearest difference is in-app purchases: Formkit at none against Simple Invoice | Receipt Maker's 7. Simple Invoice | Receipt Maker's advantage is update cadence (every 11 days vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Invoice | Receipt Maker sells 7 in-app purchases, starting at $4.99 per 7 days. Formkit asks for nothing beyond the download.

Formkit ships an update every 9 months, Simple Invoice | Receipt Maker every 11 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Formkit | Simple Invoice | Receipt Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-invoice-receipt-maker/id6670363650/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 36 MB |
| Requires iOS | **16.1** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Armia Systems, Inc](https://appshunter.io/developer/538115574) | [Mark Osypenko](https://appshunter.io/developer/1511192422) |

## What reviewers say

### Formkit

[App page](https://appshunter.io/ios/app/formkit-build-your-form/id6523429811)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Invoice | Receipt Maker

[App page](https://appshunter.io/ios/app/simple-invoice-receipt-maker/id6670363650)

Effortlessly create professional invoices and receipts with customizable templates. This digital solution streamlines billing for contractors, freelancers, and small businesses, simplifying estimates and payments.

**Highlights:** Easy invoice and receipt creation, Customizable professional templates, Digital invoicing for contractors, Streamlined billing process, Generate estimates and bills

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited weekly | $4.99 | per 7 days |
| Unlimited weekly | $7.99 | per 7 days |
| Unlimited monthly | $9.99 | per month |
| Unlimited monthly | $14.99 | per month |
| Unlimited monthly | $19.99 | per month |
| Unlimited yearly | $49.99 | per year |
| Unlimited annually | $59.99 | per year |


## Frequently asked questions

### Is Formkit free?

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

### Is Simple Invoice | Receipt Maker free?

Simple Invoice | Receipt Maker is free to download, with in-app purchases available.

### Do Formkit or Simple Invoice | Receipt Maker have ads?

Neither Formkit nor Simple Invoice | Receipt Maker shows ads.

### Which is updated more often, Formkit or Simple Invoice | Receipt Maker?

Formkit ships an update every 9 months, and Simple Invoice | Receipt Maker every 11 days. Most recently, Formkit was updated on October 25, 2026 and Simple Invoice | Receipt Maker on October 25, 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.*