mfCurrency vs SubGuard
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
mfCurrency
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Simple and fast currency calculator. If you wish, you can have your current location and the corresponding exchange rate determined automatically. If not, you can also do this manually. Both options are possible. mfCurrency is now also a simple calculator. You can switch between the currencies during the calculation and calculate further. A exchange rate change during the calculation is also possible, the result is automatically recalculated. The displayed history constantly informs you about the currently entered values.Select from over 210 currencys. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SubGuard
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Keep your subscriptions and renewal dates in one place with SubGuard. Record recurring costs, choose a billing cycle and see your estimated monthly and yearly spending. ORGANIZE YOUR SUBSCRIPTIONS Add and edit services, group them by category, and filter or sort your list. Set a monthly budget and check upcoming renewals in the calendar. Renewal reminders depend on your notification permissions. FREE AND PRO The Free plan supports up to 5 subscriptions, spending totals, the renewal calendar and standard reminders. SubGuard Pro is a one-time in-app purchase. It unlocks unlimited subscriptions, spending charts, CSV export, shared subscription tracking and custom renewal reminders. Restore purchases is available in Settings. SHARED TRACKING With Pro, invite other SubGuard users to track a subscription together. Sharing organizes records and costs; it does not share service credentials or transfer money. YOUR ACCOUNT Sign in with Apple, Google or email to sync subscription records through your SubGuard account. A local cache keeps previously loaded records available when connectivity is limited. SubGuard records the information you enter. It does not connect to your bank, charge for tracked services or cancel subscriptions with their providers. Available for iPhone and iPad, in English and Italian.
Screenshots
Verdict
The clearest difference is in-app purchases: mfCurrency at none against SubGuard's 1. SubGuard's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. SubGuard sells 1 one-off in-app purchase. mfCurrency asks for nothing beyond the download.
mfCurrency ships an update every 2 months, SubGuard every 9 days. Both last shipped on October 26, 2026.
| Parameter | mfCurrency | SubGuard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 9 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, Apple Watch โ better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 8 MB | 23 MB |
| Age rating | 12+ | 4+ |
| Developer | Mario Fischer | Marco Medri |
In-app purchases
mfCurrency
No in-app purchases
SubGuard
- SubGuard Pro$19.99









