Hark vs Simple Invoice Scanner
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Hark
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"Easy and intelligent control of your pellet stove. When and where ever you like! At home or away, at every time! With the HARK pellet stove App you gain the full ease of use of your pellet stove. Additionally you can monitor your stove, where ever you are.ย Various stoves in your house can be controlled by using the App. Several users can connect to the same stove to control it. You are able to read and change the current room temperature to feel comfortable. With the App you can easily create a weekend programme and transfer it directly to your stove. Keep an eye on your oven from a distance. You can always see in which current operating status the pellet stove is. The App will automatically inform you, when a cleaning or a technical service is necessary. Faults during operation of the oven will be sent as a push notification to your mobile device immediately. WLAN modules and functions are available for the following pellet stoves:"
Simple Invoice Scanner
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No more paper piles: with Rechnung Scanner you snap invoices, bills and receipts and instantly get a clean PDF โ ready for filing, bookkeeping or your accountant. HOW IT WORKS 1. Tap the camera button and hold the invoice in view โ the page is detected and straightened automatically. 2. Several pages? Just scan them one after another, everything ends up in one PDF. 3. Done. The PDF is saved and, if you like, prepared as an e-mail right away. STRAIGHT TO YOUR ACCOUNTANT Enter your accountant's e-mail address once. After every scan, a ready-made e-mail opens with the PDF attached and the subject "Invoice from [date, time]". All you have to do is tap Send. ALL YOUR INVOICES AT A GLANCE The "Invoices" tab shows all saved documents sorted by month, with thumbnail, date, page count and file size. Tap to preview. Select several invoices and share them together via AirDrop, Mail, Messages or the Files app โ perfect for month-end. YOU DECIDE WHERE IT'S SAVED โข On your device โ also in the Files app under "On My iPhone/iPad" โข In iCloud Drive โ in the "Rechnung-Scanner" folder, automatically on all your devices and in Finder on your Mac โข Or both FAST WHEN IT NEEDS TO BE If you like, the camera opens right when the app starts. Open, scan, done. SIMPLE AND PRIVATE No account, no sign-up, no subscription. Your invoices stay on your device or in your iCloud and only go where you send them. FOR IPHONE AND IPAD In English and German, with Dark Mode and support for larger text. Rechnung Scanner is free and supported by ads. A one-time in-app purchase removes ads for good โ also on your other devices with the same Apple ID.
Screenshots
Verdict
The clearest difference is in-app purchases: Hark at none against Simple Invoice Scanner's 1. Hark also leads on iOS requirement (15.0 vs 18.1). On price, update cadence, ads and device support 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. Simple Invoice Scanner sells 1 one-off in-app purchase. Hark asks for nothing beyond the download.
Hark ships an update every 12 months, Simple Invoice Scanner every 7 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.
| Parameter | Hark | Simple Invoice Scanner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 7 months โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 โ better | 18.1 |
| Further details โ not scored | ||
| Size | 6 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Hark GmbH & Co. KG Kamin- u. Kachelofenbau | Hermann Rauschmayr |
In-app purchases
Hark
No in-app purchases
Simple Invoice Scanner
- Werbung entfernen$1.99
Questions
Is Hark free?
Is Simple Invoice Scanner free?
Do Hark or Simple Invoice Scanner have ads?
Which is updated more often, Hark or Simple Invoice Scanner?
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