亿鸽 vs Rhomb transform
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
亿鸽
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免费在线客服系统，用于客服人员与客户之间进行便捷的即时通讯，支持网站、公众号、小程序等多种渠道
Rhomb transform
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There are many ways to calculate the area of a diamond, which is often a vexing problem. Rhomb transform is an app that can use different methods to calculate the area of a diamond. You only need to enter known values to calculate it, including height, diagonal length, inscribed circle, etc.!
Screenshots
Verdict
The clearest difference is update cadence: Rhomb transform at every 10 days against 亿鸽's monthly. Rhomb transform also leads on iOS requirement (14.0 vs 18.0). 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.
亿鸽 ships an update monthly, Rhomb transform every 10 days. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.
| Parameter | 亿鸽 | Rhomb transform |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | 观成 余 | MUMTAZ FEEDS & ALLIED INDUSTRIES PRIVATE LIMITED |
In-app purchases
亿鸽
No in-app purchases
Rhomb transform
No in-app purchases
