# Simpel vs Invoice Studio

The clearest difference is in-app purchases: Simpel at none against Invoice Studio's 2. Simpel also leads on update cadence (every 3 weeks vs every 2 months). Invoice Studio's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Studio sells 2 in-app purchases, starting at $5.99 per month. Simpel asks for nothing beyond the download.

Simpel ships an update every 3 weeks, Invoice Studio every 2 months. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Simpel | Invoice Studio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 54 MB | 24 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Project Simpel Pty Ltd](https://appshunter.io/developer/1625616055) | [Victor Neto](https://appshunter.io/developer/6780838624) |

## What reviewers say

### Simpel

[App page](https://appshunter.io/ios/app/simpel/id1625616053)

This construction management app streamlines project operations, centralizes data, and connects users in real-time. It enhances productivity, quality, and safety while reducing costs through efficient task and inspection management.

**Highlights:** Offline capability for remote locations, Centralized inspection and task management, Real-time data synchronization, Role-based security permissions, Real-time drawing synchronization, Auditable task workflows, Photo and markup attachments

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

**In-app purchases:** none


### Invoice Studio

[App page](https://appshunter.io/ios/app/invoice-studio-quote-maker/id6780838622)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Studio Pro (Monthly) | $5.99 | per month |
| Invoice Studio Pro (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is Simpel free?

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

### Is Invoice Studio free?

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

### Do Simpel or Invoice Studio have ads?

Neither Simpel nor Invoice Studio shows ads.

### Which is updated more often, Simpel or Invoice Studio?

Simpel ships an update every 3 weeks, and Invoice Studio every 2 months. Most recently, Simpel was updated on October 30, 2026 and Invoice Studio on October 20, 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.*