BillyPay vs HarnKan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BillyPay
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Split bills with friends effortlessly — snap a receipt and let BillyPay handle the rest, from reading items to generating a PromptPay QR code. - Auto-read items from receipts — no manual typing - Assign items to each person freely - Auto-calculate Service Charge and VAT - Generate PromptPay QR and share instantly - Save friend groups — no need to re-select every time - View bill history and track who has paid - No sign-up required — all data stays on your device Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
HarnKan
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Paid for the whole table? HarnKan works out everyone's share to the satang and makes a Thai PromptPay QR code with each friend's amount already filled in. They scan it with their banking app and pay. Note: the app's menus are in Thai, and PromptPay is a Thai payment system. TWO WAYS TO SPLIT • Split equally: enter the total, pick people, done • Split by item: everyone pays for what they had; shared dishes are split between the people who shared them • Optional 10% service charge and 7% VAT, spread in proportion to what each person had SCAN THE RECEIPT • Take or choose a photo of the receipt; the app reads item names and prices, including Thai text • It checks the printed total and works out whether service charge and VAT were added • Text is read on the device; the photo goes nowhere COLLECT WITH PROMPTPAY • Each friend gets a QR code with their own amount • Share one bill summary image with all the QR codes to your LINE group • Receive with a phone number, national ID or e-Wallet ID NEVER FORGET WHO OWES • Tap a friend to mark them as paid; see what's still owed on the home screen • Automatic reminders, only for bills that aren't settled • Home-screen widget with the amount owed and a New bill button QUICK TO REUSE • Remembers friends and your regular groups; add a whole group in one tap • Works with Siri and Shortcuts • Send your own share to the Simple Expenses app PRIVATE No sign-up, no login, no ads, no internet connection. Your bills and PromptPay ID stay on your device. HarnKan only creates standard PromptPay QR codes. It does not receive, send or hold money and is not connected to any bank. Payments happen in your friend's banking app.
Screenshots
Verdict
The clearest difference is in-app purchases: HarnKan at none against BillyPay's 2. BillyPay's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support 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
Both are free to download. BillyPay sells 2 in-app purchases, starting at $1.99 per month. HarnKan asks for nothing beyond the download.
| Parameter | BillyPay | HarnKan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 40 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Kanpitcha Nonnittayanan | Thirawat Tatatmi |
In-app purchases
BillyPay
- BillyPay Pro Monthly$1.991 Month
- BillyPay Pro Yearly$11.991 Year
HarnKan
No in-app purchases








