XSD vs Currency Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XSD
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XSD is a tool for anyone working with the Italian FatturaPA electronic invoice format — accountants, consultants, developers, SMBs — who needs to validate invoices on the go. WHAT IT DOES Real XSD validation. The XML is checked against the official Italian Revenue Agency (Agenzia delle Entrate) schema and every error is reported with the exact line and column: missing required elements, values that do not match the expected pattern, wrong element ordering. No "well-formed and you're done". Both official schemas bundled: FatturaPA ordinary v1.2.2 and FatturaPA simplified v1.0. The correct one is detected automatically from the XML namespace — you never have to choose by hand. Support for signed .p7m files (CAdES-BES). The PKCS#7 container is opened automatically and the embedded XML is validated like a regular .xml. Most real invoices arrive signed, and most phone tools cannot open them — this one can. Digital signature check at two levels: • Cryptographic validity — content digest and RSA signature are recomputed with the signer certificate's public key. If a single byte has been changed after signing, the app flags it. • System trust — the certificate is evaluated against your device's root CA store (the same one Safari uses). Important transparency note: the app does NOT check inclusion of the certificate in the official Italian Revenue Agency Trust List (Italian TSL, ETSI TS 119 612). That administrative check is distinct from cryptographic validity and requires an online channel to AdE. Readable invoice preview using the official Agenzia delle Entrate stylesheet (the same one used on the FatturaPA portal), with PDF export via the iOS share sheet. Generic XML mode. Use any custom XSD to validate any XML, beyond the FatturaPA world. "Open in XSD" from Mail, Files, AirDrop and any other app: .xml and .xml.p7m files are loaded directly. OFFLINE AND PRIVATE Everything happens on the device. No uploads, no account, no telemetry. Your invoices never leave your phone. NOT A REPLACEMENT FOR • Transmission to SDI (requires an accredited channel). • Legal long-term archival (requires a dedicated service). • Administrative validation against the official TSL. XSD is a check-and-verify tool, not a management system.
Currency Converter
Instantly convert over 150 currencies with real-time exchange rates. Track historical trends and compare multiple currencies simultaneously, even offline. Ideal for travelers, shoppers, and traders.
- Live exchange rates for 150+ currencies
- Historical exchange rate trends
- Multi-currency comparison
- Offline mode for latest rates
- Fast and simple user interface
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Convert 150+ world currencies at live exchange rates — plus 30 cryptocurrencies and gold, silver, platinum and palladium — and keep the pairs you care about on your Home Screen. Built for people who check rates constantly: travelers comparing prices abroad, freelancers invoicing in another currency, shoppers working out what an international checkout really costs, and anyone watching a rate before they move money. HOME SCREEN WIDGET Pin your main currency pair to the Home Screen and read the current rate without opening anything. The widget updates as rates move, so the number you glance at is the number that matters. LIVE EXCHANGE RATES Rates for more than 150 world currencies, refreshed through the day. Set any currency as your base and every other currency converts against it instantly. SEE EVERY CURRENCY AT ONCE Most converters show one pair at a time. This one shows a list. Enter an amount once and read it in every currency you follow, in the same view — which is what you actually want when you are planning a multi-country trip or comparing prices across suppliers. RATE HISTORY CHARTS See how any pair has moved over 1 day, 1 week, 1 month, 6 months, 1 year or 5 years. Enough context to tell whether today is an unusually good moment to exchange, or an unusually bad one. CRYPTO AND PRECIOUS METALS Bitcoin, Ethereum, Solana, XRP, Cardano, Dogecoin, Litecoin and 23 more sit in the same list as ordinary currencies — so you can read BTC straight into euros, or your local currency into an ounce of gold, without switching apps. Gold, silver, platinum and palladium are priced per ounce. WORKS OFFLINE The rates you last loaded stay available with no connection at all. Landing in a new country before you have a SIM or Wi-Fi is exactly when a converter needs to still work. BUILT TO BE QUICK A dedicated number pad for fast entry, drag-and-drop reordering, and favorites so the currencies you use most stay at the top of the list. No account, no sign-up, no setup. CURRENCIES INCLUDED US Dollar, Euro, British Pound, Japanese Yen, Swiss Franc, Canadian Dollar, Australian Dollar, Chinese Yuan, Indian Rupee, Brazilian Real, Mexican Peso, Turkish Lira, Saudi Riyal, UAE Dirham, Singapore Dollar, Hong Kong Dollar, South Korean Won, South African Rand, Polish Zloty, Czech Koruna, Swedish Krona, Norwegian Krone, Danish Krone, Thai Baht, Vietnamese Dong, Indonesian Rupiah, Malaysian Ringgit, Philippine Peso, Pakistani Rupee, Bangladeshi Taka, Nigerian Naira, Kenyan Shilling, Egyptian Pound, Moroccan Dirham, Argentine Peso, Chilean Peso, Colombian Peso, New Zealand Dollar, Israeli Shekel, Ukrainian Hryvnia, Romanian Leu, Hungarian Forint — and over 100 more. Missing a currency, or found something that looks wrong? There is a feedback option in Settings and it reaches a real person. Terms of Service: https://sites.google.com/view/currencyconversionprivacy/terms Privacy: https://sites.google.com/view/currencyconversionprivacy/homepage
Screenshots
Verdict
The clearest difference is price: Currency Converter at Free against XSD's $4.99. Currency Converter also leads on update cadence (fortnightly vs every 5 months). XSD's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Currency Converter is free to download; XSD costs $4.99 up front. Currency Converter sells 3 in-app purchases, starting at $19.99 per year. XSD asks for nothing beyond the download.
XSD ships an update every 5 months, Currency Converter fortnightly. Both last shipped on October 25, 2026.
| Parameter | XSD | Currency Converter |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 4.5 (38 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 38 — better |
| Update frequency | Every 5 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Marco Tini | Salman Lartey |
In-app purchases
XSD
No in-app purchases
Currency Converter
- All Access$19.991 Year
- All Access Currency Converter$3.99
- Access Currency con - Lifetime$9.99
Questions
Is XSD free?
Is Currency Converter free?
Do XSD or Currency Converter have ads?
Which is updated more often, XSD or Currency Converter?
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