爱普生投影距离计算器 vs KPD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
爱普生投影距离计算器
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“EPSON投影距离计算器”面向投影机专业用户、经销商及合作伙伴，使用者可以通过“EPSON投影距离计算器”挑选满足需求的投影机，计算投影距离。
KPD
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派送app，便捷，实时传送轨迹，状态。
Screenshots
Verdict
爱普生投影距离计算器 and KPD are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.
| Parameter | 爱普生投影距离计算器 | KPD |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 16 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Epson(China) Co., Ltd | Hami Information Technology (Suzhou) Co., Ltd. |
In-app purchases
爱普生投影距离计算器
No in-app purchases
KPD
No in-app purchases
