彩虹图 vs 机友计算器pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
彩虹图
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极简视屏动图转化器，可以将您拍摄的一些视屏转化为高清晰度的gif图，支持截取，速度调整，帧数调整！
机友计算器pro
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我们只做简单纯粹的计算器 【产品特点】 科学计算，简单快捷，大写切换，结果复制，汇率换算，亲戚关系计算器。 【主要功能】 —简单纯粹的计算器：页面清晰简单，没有广告插件，给您流畅的体验； —历史记录功能：计算过程完整记录，随时可以翻看； —一键复制计算结果：计算结果一键复制，随时可以粘贴使用； —大写转换：一键将计算结果转换为大写，方便填写财务报销； —亲戚关系计算器，轻松get称呼，再也不尴尬了； —汇率换算，轻松转换，做你生活中的小助手； 总之，我是一款最用心纯粹的计算器，没有鸡肋的功能，让您快速计算出您想要的结果！
Screenshots
Verdict
The clearest difference is update cadence: 机友计算器pro at every 7 months against 彩虹图's every 38 months. 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.
彩虹图 ships an update every 38 months, 机友计算器pro every 7 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.
| Parameter | 彩虹图 | 机友计算器pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 38 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 21 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | 泽勇 周 | Changsha Fugui Bamboo Network Technology Co., Ltd. |
In-app purchases
彩虹图
No in-app purchases
机友计算器pro
No in-app purchases
