# PiPhone vs Invoice Maker Involea

The clearest difference is in-app purchases: PiPhone at none against Invoice Maker Involea's 2. PiPhone also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (14.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker Involea sells 2 in-app purchases, starting at $6.99 per 7 days. PiPhone asks for nothing beyond the download.

PiPhone ships an update every 4 days, Invoice Maker Involea every 3 weeks. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PiPhone | Invoice Maker Involea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/piphone/id1555120878/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 5 MB | 16 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Payne](https://appshunter.io/developer/1535693722) | [Smart Automation SRL](https://appshunter.io/developer/1822502270) |

## What reviewers say

### PiPhone

[App page](https://appshunter.io/ios/app/piphone/id1555120878)

Create and customize animated pie charts with drag-and-drop annotations. Personalize text, highlight slices, and add currency symbols. Save and share your visual data easily.

**Highlights:** Animated pie charts, Drag-and-drop annotations, Customizable font size, Slice highlighting, Currency symbol options, Save and share charts

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Maker Involea

[App page](https://appshunter.io/ios/app/invoice-maker-involea/id6778569566)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Involea Weekly | $6.99 | per 7 days |
| Involea Yearly | $49.99 | per year |


## Frequently asked questions

### Is PiPhone free?

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

### Is Invoice Maker Involea free?

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

### Do PiPhone or Invoice Maker Involea have ads?

Neither PiPhone nor Invoice Maker Involea shows ads.

### Which is updated more often, PiPhone or Invoice Maker Involea?

PiPhone ships an update every 4 days, and Invoice Maker Involea every 3 weeks. Most recently, PiPhone was updated on October 8, 2026 and Invoice Maker Involea on October 6, 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.*