Comparison

Ruler+ Utility vs HPK eBill

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

Head to head
About

Ruler+ Utility

Transform your smartphone into a versatile measuring tool. Instantly measure the length of objects using your phone's screen, with options for fixed or scroll modes. Save your measurements and choose between centimeters or inches for precise results.

Highlights
  • Smartphone ruler
  • Fixed and scroll measurement modes
  • Save measurements
  • Centimeter and inch support
  • Fine-tune scale
  • Intuitive interface
Features
Read full description

This app transforms your smartphone into a handy ruler. Whenever you’re curious about the length of something, you can measure it instantly with just your smartphone! From a pencil on your desk to the thickness of a book, 'Ruler' is perfect for quickly checking lengths. Without any complex explanations or difficult features, just open the app and measure according to the scale. Its intuitive interface allows anyone to measure quickly and accurately. Measurement methods: 1) Fixed Ruler: Place the object you want to measure on your smartphone, touch the screen with your finger, and move it to the end of the object to measure its length. 2) Scroll Ruler: Use this method to measure objects longer than your smartphone. Place your smartphone next to the object, hold it with your thumb and middle finger, touch the screen with your index finger, and move the phone gradually to measure the length. Main Features: - Easily save the measurements you take - Measure in both centimeters (cm) and inches (inch) - Fine-tune the scale for more precise measurements - Choose between fixed and scroll modes depending on your needs Never worry about not having a ruler again. With 'Ruler', you can measure anything conveniently at any time. Experience smart measurement now!

About

HPK eBill

Features
Read full description

Hệ thống chăm sóc khách hàng Điện Nước giúp khách hàng theo dõi sản lượng tiêu dùng điện nước hàng tháng, thanh toán, báo sự cố, đăng ký mới dễ dàng Lợi ích khi triển khai hệ thống chăm sóc khách hàng: + Nhắn tin thông báo chỉ số Điện Nước, nhắn tin nhắc khách hàng thanh toán hoàn toàn miễn phí đến app đã cài trên điện thoại của khách hàng ==> Tiết kiệm chi phí nhắn tin; + Khách hàng có thể vào app thanh toán dễ dàng với mọi nguồn tiền của nhiều ngân hàng khác nhau ==> Dòng tiền chuyển về tài khoản công ty ngay sau khi khách hàng thực hiện thanh toán thành công ==> Xuất báo cáo có mã giao dịch, mã khách hàng nên soát dễ dàng đoái soát giao dịch ==> Cập nhật trạng thái gạch nợ. Phí thu hộ thanh toán cho HPK chỉ từ 1668đ/bill (thấp nhất thị trường). Góp phần tạo điều kiện cho người dân có nhiều công cụ để thanh toán. + Thông báo cúp Điện Nước, khách hàng đăng ký cấp nước mới ngay trên app, theo dõi lịch sử thanh toán, biểu đồ sản lượng tiêu thụ qua các tháng,.. + Góp phần đẩy nhanh tiến độ chuyển đổi số và thanh toán không dùng tiền mặt trong các hoạt động thanh toán,.. + Quý công ty có thể sử dụng tính năng ghi chỉ số và in bill thu tiền hoàn toàn miễn phí. Hoặc sử dụng các phần mềm hiện tại không ảnh hưởng đến các luồng công việc đang vận hành

Screenshots

Ruler+ Utility4 screens
HPK eBill4 screens

Verdict

The call

The clearest difference is in-app purchases: HPK eBill at none against Ruler+ Utility's 1. HPK eBill also leads on ads (none vs shown) and update cadence (every 5 days vs every 40 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ruler+ Utility sells 1 one-off in-app purchase. HPK eBill asks for nothing beyond the download.

UpkeepUpdate frequency

Ruler+ Utility ships an update every 40 months, HPK eBill every 5 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Ruler+ Utility versus HPK eBill: the parameters behind the verdict, then further details
ParameterRuler+ UtilityHPK eBill
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews46.7% of reviews—
Number of ratings2 — better—
Update frequencyEvery 40 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size24 MB36 MB
Age rating4+4+
DeveloperKyungjin LeeHPK TECHNOLOGY AND TRAINING JOINT STOCK COMPANY

In-app purchases

1 purchases

Ruler+ Utility

One-time1
  • Remove Ads$1.99
None

HPK eBill

No in-app purchases

Questions

Is Ruler+ Utility free?
Ruler+ Utility is free to download, with in-app purchases available.
Is HPK eBill free?
HPK eBill is free to download, with no in-app purchases.
Do Ruler+ Utility or HPK eBill have ads?
Ruler+ Utility shows ads; HPK eBill does not.
Which is updated more often, Ruler+ Utility or HPK eBill?
Ruler+ Utility ships an update every 40 months, and HPK eBill every 5 days. Most recently, Ruler+ Utility was updated on October 24, 2026 and HPK eBill on October 13, 2026.

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