O vs 汇率管家
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O
This app helps users calculate O-Ring dimensions and find compatible materials for their applications. It provides recommendations based on ISO standards and supports both metric and inch measurements.
- O-Ring housing calculation
- O-Ring size recommendations by ISO standard
- Quick search by national/international standards
- O-Ring tolerance calculation
- Metric and inch unit switching
- Chemical compatibility check
- Integration of Trelleborg Sealing Solutions Videos
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The Trelleborg Sealing Solutions O-Ring App calculates O-Ring dimensions by simply entering installation specifications for your application in metric or inch. In addition, the App recommends O-Ring sizes according to ISO 3601 so you know exactly which part you need. Features at a Glance: - O-Ring Housing: After entering the bore or rod/shaft diameter, you will receive an O-Ring recommendation and O-Ring housing calculation according to the recommendations of ISO 3601 - O-Ring Quick Search: offers the selection of O-Ring nominal sizes according to the following national/international standards: ISO 3601-1 Class B (International), ISO 3601-1 Class A (AS 568, USA), NFT 47-502 (France), JIS B 2401 (Japan) SMS 1586 (Sweden) - Tolerances: calculation of O-Ring tolerances according to ISO 3601-1 Class B and Class A - Switch between metric and inch - Chemical compatibility check: find out which materials are compatible with the media used in your application. - Integration of Trelleborg Sealing Solutions Videos
汇率管家
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汇率管家：让每一分换算都简单透明。 想要一款既美观又实用的汇率工具？“汇率管家”为您提供全球法定货币的实时走势与精准换算。 无论您是跨境旅行、海外购物，还是外汇投资，我们都能为您提供丝滑的操作体验。 【产品亮点】 极简换算：多币种同屏实时显示，输入即转化，告别繁琐操作。 实时行情：数据毫秒级更新，覆盖全球主流及小众货币，行情随时掌握。 趋势分析：提供周、月、年等多维度历史走势图，最高价、最低价及波动率一目了然，助您把握最佳换汇时机。 告别冗余，让汇率回归简单。立即下载，体验最纯粹的汇率服务。
Screenshots
Verdict
The clearest difference is price: O at Free against 汇率管家's $1.99. O also leads on iOS requirement (12.1 vs 15). On 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
O is free to download; 汇率管家 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | O | 汇率管家 |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.1 — better | 15 |
| Further details — not scored | ||
| Size | 26 MB | 9 MB |
| Age rating | 12+ | 4+ |
| Developer | Trelleborg Sealing Solutions | Guangzhou Shengqi Network Technology Co.,Ltd. |
In-app purchases
O
No in-app purchases
汇率管家
No in-app purchases
