CalcApp vs 油迹Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalcApp
This app combines basic arithmetic, scientific functions, programmer conversions, and unit conversions into a single, easy-to-use tool. It automatically saves all your calculations to a history log, ensuring you never lose important data.
- Basic Arithmetic
- Scientific Calculator
- Programmer Mode
- Unit Converter
- History Tracking
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Tired of juggling multiple calculators and conversion apps for different tasks? With this all-in-one Calculator, you can breeze through everything from basic arithmetic to advanced scientific functions and even programmer-specific conversions—right at your fingertips. Whether you’re a student crunching numbers, a professional tackling complex equations, or a developer needing quick logic and base conversions, we’ve got you covered. Plus, every result is automatically saved to your History, so you’ll never lose important calculations again. Key Features: - Basic Arithmetic: Quick and easy for your everyday math needs. - Scientific Calculator: Effortlessly handle trigonometric, logarithmic, and other high-level operations. - Programmer Mode: Seamlessly switch between binary, octal, decimal, and hexadecimal, plus logical operations. - Unit Converter: Instantly convert lengths, volumes, temperatures, and more—no extra steps needed. - History Tracking: Automatically record and revisit your calculations at any time. Download now to transform your smartphone into the ultimate computation powerhouse, ready to solve any math or conversion challenge in seconds!
油迹Pro
This app helps car owners manage their fuel and charging expenses with intuitive logging and smart analysis. Track your driving costs, understand fuel consumption patterns, and visualize your energy spending trends. It offers ad-free, privacy-focused data management for multiple vehicles.
- Record fuel and charging transactions
- Track fuel consumption and costs
- Visualize energy usage trends
- Manage multiple vehicles
- Cloud synchronization
- Ad-free experience
- Data privacy protection
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油迹 Pro 为车主打造简洁专业的加油加电管理工具,以直观的操作与智能的分析能力,帮你轻松记录加油轨迹、掌握油耗规律,让每一笔用车能源开支都有据可依。 适配全机型的原生设计,兼顾流畅体验与极简操作,无需复杂设置,打开即可快速完成加油信息录入,所有数据云端同步,跨设备随时查看。自动计算百公里油耗、每公里油费,生成可视化的能源使用趋势,清晰呈现用车成本变化;支持多车辆独立管理,按时间维度汇总加油开支,助力出行预算规划。 全程无广告、无冗余推送,本地 + 云端双重加密保护数据隐私,你的所有加油记录与分析数据,仅归你所有。 从日常通勤到长途出行,油迹 Pro 陪你精准掌控每一份能源消耗,让爱车用油管理更简单、更高效。
Screenshots
Verdict
The clearest difference is price: CalcApp at Free against 油迹Pro's $0.99. CalcApp also leads on review sentiment (75% vs 67%). 油迹Pro's advantage is in-app purchases (none vs 2). On update cadence, ads, 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
CalcApp is free to download; 油迹Pro costs $0.99 up front. CalcApp sells 2 one-off in-app purchases. 油迹Pro asks for nothing beyond the download.
CalcApp ships an update every 3 weeks, 油迹Pro every 2 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.
| Parameter | CalcApp | 油迹Pro |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (19 ratings) — better | — |
| Positive reviews | 75.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 19 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | 尉 张 | 熵析云枢网络科技 |
Customer experience
CalcApp
油迹Pro
In-app purchases
CalcApp
- Monthly Plan$0.99
- Annual Subscription$1.99
油迹Pro
No in-app purchases








