# Forstify vs INVOICE SIMPLE

The clearest difference is in-app purchases: Forstify at none against INVOICE SIMPLE's 1. INVOICE SIMPLE's advantage is iOS requirement (12.4 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. INVOICE SIMPLE sells 1 in-app purchase, starting at $8.99 per month. Forstify asks for nothing beyond the download.

Forstify ships an update every 4 weeks, INVOICE SIMPLE every 6 weeks. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Forstify | INVOICE SIMPLE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (14 ratings)](https://appshunter.io/ios/app/invoice-simple/id6470474962/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 265 MB | 19 MB |
| Requires iOS | 16.0 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [Forstify GmbH](https://appshunter.io/developer/1480944753) | [ZEST GLOBAL LTDA](https://appshunter.io/developer/1713735783) |

## What reviewers say

### Forstify

[App page](https://appshunter.io/ios/app/forstify-forest-tools/id1480944754)

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

**In-app purchases:** none


### INVOICE SIMPLE

[App page](https://appshunter.io/ios/app/invoice-simple/id6470474962)

Create and send professional invoices, estimates, and receipts. Customize documents with your logo, banking details, and client information. Accept various payment methods and receive instant notifications on document status.

**Highlights:** Customizable invoice templates, Logo and business details integration, Client and product management, Tax and discount options, Online payment acceptance, PDF export and email/text sending, Real-time notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| INVOICE SIMPLE | $8.99 | per month |


## Frequently asked questions

### Is Forstify free?

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

### Is INVOICE SIMPLE free?

INVOICE SIMPLE is free to download, with in-app purchases available.

### Do Forstify or INVOICE SIMPLE have ads?

Neither Forstify nor INVOICE SIMPLE shows ads.

### Which is updated more often, Forstify or INVOICE SIMPLE?

Forstify ships an update every 4 weeks, and INVOICE SIMPLE every 6 weeks. Most recently, Forstify was updated on September 28, 2026 and INVOICE SIMPLE on October 8, 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.*