eCalc vs PinTuTu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eCalc
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eCalc Easy Calculator is your everyday math and conversion toolkit. Why switch between multiple apps when you can have everything in one clean, fast, and distraction-free workspace? UNINTERRUPTED & AD-FREE Enjoy a premium experience with absolutely zero ads and no subscriptions. Every tool is fully accessible right out of the box. KEY FEATURES Smart Calculator • Fast everyday math with a sleek, large-button keypad. • Advanced scientific functions when you need them. • Calculation history so you can revisit and reuse recent results. Light & Dark Theme • Switch between Light, Dark, or follow your system setting. • A true black dark mode that’s easy on the eyes at night. Currency Converter • Real-time exchange rates for travel, shopping, and business. • Reliable offline fallback so you can convert anywhere. Unit Converter • Convert length, weight, temperature, volume, area, speed, data, and time. • Searchable unit picker — find any unit in seconds, even in long lists. • Local & regional units used every day: Chinese, Taiwan, and Hong Kong jin/catty and tael; Korean geun; Japanese kin; Vietnamese lạng; ping/pyeong/tsubo for property; Chinese mu; Thai rai; cooking cups, spoons, and pints. • The right regional default when you first open a converter — no hunting for 斤 or 坪. Tip & Bill Splitter • Dining out? Instantly calculate tips and split the bill among friends. Discount Calculator • See the final price after discounts and taxes before you check out. Loan Estimator • Estimate your payment schedule, interest, and total loan cost. • For general reference only — not professional financial advice. Date Calculator • Find the duration between two dates, or add/subtract days for events and deadlines. WHY CHOOSE THIS APP? • Distraction-Free: No pop-ups, no ads — just seamless productivity. • Minimalist & Intuitive: Clutter-free design built for speed. • Works Where You Are: Local units and currencies for Asia, Europe, and beyond. • Privacy First: This app does not track you or collect personal data. Simplify your daily tasks. Download Calculator: Fast & Accurate today!
PinTuTu
Easily combine multiple screenshots into one long image. This tool simplifies the process of capturing and sharing extended content from your device.
- Screenshot stitching
- Easy to use
- Long screenshot creation
- Simple interface
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A Simple and Easy-to-Use Screenshot Stitching Tool
Screenshots
Verdict
The clearest difference is update cadence: eCalc at every 2 days against PinTuTu's weekly. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
eCalc ships an update every 2 days, PinTuTu weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | eCalc | PinTuTu |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Quynh Dinh Huu | 立诚 翁 |
In-app purchases
eCalc
No in-app purchases
PinTuTu
No in-app purchases
