# Voltn vs Costio

The clearest difference is in-app purchases: Voltn at none against Costio's 2. Costio's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Costio sells 2 in-app purchases, starting at $2.99 per month. Voltn asks for nothing beyond the download.

Voltn ships an update every 2 months, Costio every 2 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Voltn | Costio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 31 MB | 9 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NetExplorer](https://appshunter.io/developer/1137647458) | [Yuliia Bukavtsova](https://appshunter.io/developer/1884117893) |

## What reviewers say

### Voltn

[App page](https://appshunter.io/ios/app/voltn/id6761543765)

**In-app purchases:** none


### Costio

[App page](https://appshunter.io/ios/app/costio-receipt-scanner/id6763078522)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Receipton Premium | $2.99 | per month |
| Receipton Premium | $5.99 | per 3 months |


## Frequently asked questions

### Is Voltn free?

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

### Is Costio free?

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

### Do Voltn or Costio have ads?

Neither Voltn nor Costio shows ads.

### Which is updated more often, Voltn or Costio?

Voltn ships an update every 2 months, and Costio every 2 days. Most recently, Voltn was updated on October 3, 2026 and Costio on October 5, 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.*