# Voter Science Fundraiser vs Invox

The clearest difference is iOS requirement: Voter Science Fundraiser at 11.0 against Invox's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Voter Science Fundraiser sells 1 one-off in-app purchase and Invox sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Voter Science Fundraiser ships an update monthly, Invox every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Voter Science Fundraiser | Invox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/invox-invoice-maker-estimate/id6758204607/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 40 MB | 84 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voter Science, LLC](https://appshunter.io/developer/1352209730) | [Vividplay studio](https://appshunter.io/developer/1783129996) |

## What reviewers say

### Voter Science Fundraiser

[App page](https://appshunter.io/ios/app/voter-science-fundraiser/id1525795390)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fundraiser Annual Subscription | $100.00 | one-time |


### Invox

[App page](https://appshunter.io/ios/app/invox-invoice-maker-estimate/id6758204607)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Premium Features | $9.99 | per month |
| Full Access | $12.99 | per 7 days |
| All Premium Features | $34.99 | per year |
| Full Access | $34.99 | per year |


## Frequently asked questions

### Is Voter Science Fundraiser free?

Voter Science Fundraiser is free to download, with in-app purchases available.

### Is Invox free?

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

### Do Voter Science Fundraiser or Invox have ads?

Neither Voter Science Fundraiser nor Invox shows ads.

### Which is updated more often, Voter Science Fundraiser or Invox?

Voter Science Fundraiser ships an update monthly, and Invox every 4 weeks. Most recently, Voter Science Fundraiser was updated on October 25, 2026 and Invox on October 24, 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.*