Comparison

E vs Subscription Tracker

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

E

Features
Read full description

The E-Invoice Viewer App is your mobile solution for effortlessly viewing electronic invoices in XML format โ€“ including attachments โ€“ anytime and anywhere. Key Features: - View E-Invoices: Open and view E-Invoices in various formats directly on your iOS device. Currently supported formats: UBL & CII XML (more to come) - Interactive Invoice Display: Easily navigate through your invoices within the app - Attachment Management: View all attachments embedded in the invoices directly in the app - Caching: The last 100 invoices you viewed are automatically stored for quick access - Multi-Format Support: Compatible with UBL and CII XML files conforming to the XRechnung standard (including ZUGFeRD XML) - Multilingual Interface: Currently available in German and English โ€“ more languages coming soon Your Benefits: - Mobility: Easily review E-Invoices on the go using your smartphone or tablet - Fast Approval: Thanks to the mobile interface, you can approve invoices quickly, even when you're away from your desk - User-Friendly Design: Intuitive navigation enables fast and efficient handling of electronic invoices - Future-Proof: Stay compliant with legal e-invoicing requirements in accordance with EN16931, mandatory from January 1, 2025 With the E-Invoice Viewer App, you're well prepared for the digital future of invoicing. Download the app today and benefit from efficient management of your e-invoices. The E-Invoice Viewer App is available in three versions: - Basic: View up to 5 invoices per month at no cost (registration required) - Standard: Unlimited invoice viewing on iOS devices - Premium: Unlimited invoice viewing across all your devices (Mac, iPhone, iPad) Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Subscription Tracker

Manage recurring bills and subscriptions in one place. Get timely reminders for upcoming payments and track your monthly spending. Understand your recurring expenses without connecting financial accounts.

Highlights
  • Track subscriptions and recurring bills
  • View active subscriptions and monthly outgoing
  • Sort subscriptions by date, name, or amount
  • Built-in calendar for upcoming renewals
  • Customizable payment reminders
  • Support for various billing cycles
  • Backup and restore with iCloud
Read full description

Subscription Tracker helps you keep recurring bills, renewals, and subscription spending organized in one clean, focused place. Add subscriptions in seconds, choose how often they renew, set the next payment date, and get reminders before upcoming charges. View renewals on a calendar, sort your subscriptions, check your monthly outgoing, and use Insights to understand how recurring payments add up over time. Why people use Subscription Tracker: โ€ข Track subscriptions and recurring bills in one place โ€ข See active subscriptions and monthly outgoing at a glance โ€ข Sort subscriptions by renewal date, name, or amount โ€ข View upcoming renewals in a built-in calendar โ€ข Get reminders before subscriptions renew โ€ข Choose 1, 3, or 7 day reminder timing โ€ข Support weekly, monthly, and yearly billing cycles โ€ข See projected spend across future months โ€ข Find your largest subscriptions by monthly equivalent cost โ€ข Choose your preferred currency โ€ข Add, edit, and delete subscriptions anytime โ€ข Back up and restore with iCloud โ€ข No bank connection required Subscription Tracker is designed for people who want a simple way to understand recurring expenses without connecting financial accounts or dealing with extra complexity. Track up to 5 subscriptions for free. Upgrade to Pro for unlimited subscription tracking. Privacy Policy: https://moonmermaids.com/subscription-tracker/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

E4 screens
Subscription Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Subscription Tracker at every 3 weeks against E's every 4 months. E's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. E sells 2 one-off in-app purchases and Subscription Tracker sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

E ships an update every 4 months, Subscription Tracker every 3 weeks. Both last shipped on October 30, 2026.

Scorecard3 real differences ยท 5 level
E versus Subscription Tracker: the parameters behind the verdict, then further details
ParameterESubscription Tracker
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 4 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesYesYes
Monetizationโ€”Freemium
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.0 โ€” better17.6
Further details โ€” not scored
Size61 MB5 MB
Age rating4+4+
DeveloperOpen7Priyank Sharma

In-app purchases

2 purchases

E

One-time2
  • E-Invoice Viewer Standard - 1 year$50.00
  • E-Invoice Viewer Premium - 1 year$90.00
2 purchases

Subscription Tracker

Subscriptions2
  • Weekly Pro$9.997 Days
  • Annual Pro1 Month trial$49.991 Year

Questions

Is E free?
E is free to download, with in-app purchases available.
Is Subscription Tracker free?
Subscription Tracker is free to download, with in-app purchases available.
Do E or Subscription Tracker have ads?
Neither E nor Subscription Tracker shows ads.
Which is updated more often, E or Subscription Tracker?
E ships an update every 4 months, and Subscription Tracker every 3 weeks. Most recently, E was updated on October 30, 2026 and Subscription Tracker on October 30, 2026.

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