Voltn vs Costio
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Voltn
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Every organization runs on its files: contracts, records, plans, invoices. Voltn (formerly NetExplorer) brings them together and makes them accessible wherever you are, right from your smartphone. FIND EVERYTHING, EVERYWHERE Your folders and files: browse, search, organize. The data that matters, in one place β available on the go. And with offline mode, your files remain available even without an internet connection. SHARE AND STAY IN CONTROL Configurable sharing links with password protection, expiration dates, single-download limits and real-time download receipts. YOUR PLATFORM FOLLOWS YOU The app extends your Voltn platform: same spaces, same access rights, same traceability. What your team organizes at the office is right at hand when you're on the move. TRUST, PROVEN Voltn is a French software company. Over 15 years of expertise, 2,000 client organizations, 300,000 daily users, more than 500 million files stored. Data hosted in France or Luxembourg on SecNumCloud-certified infrastructure (service qualification in progress). ISO 27001 and HDS (French Health Data Hosting) certified. GDPR and NIS2 compliant, outside the scope of the CLOUD Act. Access to the app requires a subscription to a Voltn platform at voltn.eu Voltn - The file company
Costio
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Costio is a smart receipt scanner that helps you track your expenses effortlessly. Just take a photo of any receipt, and the app will instantly extract the total amount, detect the currency, and organize your spending. No manual input. No spreadsheets. Just scan and stay in control. Key Features: - Scan any receipt with your camera - Automatic total amount detection - Multi-currency support with real-time conversion - Track your daily and monthly spending - Clean, organized history of all receipts - Fast and simple interface β no setup required - Smart reminders to stay on track Costio is designed for simplicity and speed. Whether you're managing personal finances, business expenses, or just want to understand where your money goes β Costio makes it easy. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
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.
| Parameter | Voltn | Costio |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details β not scored | ||
| Size | 31 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | NetExplorer | Yuliia Bukavtsova |
In-app purchases
Voltn
No in-app purchases
Costio
- Receipton Premium$2.991 Month
- Receipton Premium$5.993 Months









