12C Platinum Calculator vs Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
12C Platinum Calculator
This financial calculator offers over 120 built-in functions for complex calculations like IRR and NPV. It supports RPN entry, programming custom keystrokes, and includes features for loan payments, interest rate conversions, bond pricing, and statistical analysis.
- 120+ built-in financial functions
- RPN keystroke entry
- Programmable keystrokes (up to 99)
- Loan and mortgage payment calculations
- Bond price and yield calculations
- Statistical analysis and forecasting
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Financial calculator includes more than 120 built-in functions and allows 20 different cash flows for internal rate of return and net present values. Calculate loan and mortgage payments, convert interest rates, and figure bond prices and yields. RPN keystrokes optimize data entry and calculation performance. Program up to 99 keystrokes into memory and then execute with the push of a single button. Other functions include depreciation, percent change, cumulative statistical analysis, standard deviation, mean, weighted mean, linear regression, forecasting, correlation coefficient, date arithmetic, undo and backspace keys. Number of Display Lines: 1 Number of Display Digits: 10 Number of Functions: 120 Operations/Functionality: - Accounting - Banking - Business Studies - Finance - Real Estate
Ruler
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Ruler is a clean and accurate measuring app designed for quick everyday measurements. Whether you're measuring small objects, checking dimensions, or comparing sizes, Ruler provides an intuitive and reliable experience with a beautiful modern interface. Features: • Horizontal ruler • Vertical ruler • Two-point measurement • Body measurement guide • Millimeters, centimeters, and inches • Optional bank card calibration for improved accuracy • Share measurements as an image • Light and Dark mode • Arabic and English support • Fast, simple, and elegant design For better accuracy, you can optionally calibrate the ruler using a standard bank card. Ruler is perfect for students, designers, engineers, DIY projects, office work, shopping, and everyday use. Please note: Measurements may vary depending on your device and calibration. This app is intended for everyday measurements and is not designed for engineering, construction, medical, or other safety-critical purposes. Thank you for choosing Ruler. Ruler هو تطبيق مسطرة بسيط ودقيق صُمم للقياسات اليومية السريعة. سواء كنت تقيس أشياء صغيرة، أو تتحقق من الأبعاد، أو تقارن الأحجام، يوفر لك Ruler تجربة سهلة وواجهة حديثة تساعدك على القياس بسرعة ودقة. المميزات: • مسطرة أفقية • مسطرة عمودية • قياس بين نقطتين • دليل قياس الطول والأجسام • القياس بالملم والسنتيمتر والإنش • معايرة اختيارية باستخدام بطاقة مصرفية لتحسين الدقة • مشاركة القياسات كصورة • الوضع الفاتح والداكن • دعم العربية والإنجليزية • تصميم سريع وبسيط وأنيق للحصول على أفضل دقة، يمكنك معايرة التطبيق باستخدام بطاقة مصرفية قياسية. يعد Ruler مناسبًا للطلاب، والمصممين، والمهندسين، والأعمال اليدوية، والتسوق، والاستخدام اليومي. ملاحظة: قد تختلف نتائج القياس حسب نوع الجهاز والمعايرة. التطبيق مخصص للقياسات اليومية العامة، ولا يُستخدم للأغراض الهندسية أو الطبية أو الإنشائية أو أي استخدامات تتطلب دقة حرجة. شكرًا لاختيارك Ruler.
Screenshots
Verdict
12C Platinum Calculator and Ruler are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | 12C Platinum Calculator | Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 国栋 焦 | Al-rahaal Explorer For General Trading, Training And Development Company |
In-app purchases
12C Platinum Calculator
No in-app purchases
Ruler
No in-app purchases









