Comparison

山海新能 vs Sheet Metal Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

山海新能

Features
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山海新能是由山海新能(北京)能源科技有限公司(以下简称“山海新能”)独立研发的光伏太阳能电站管理系统。山海新能成立于2020年1月,注册资本2亿元,总部位于北京。公司着眼于全球可持续发展,以普及绿色能源为己任。山海新能依托强大的科技创新能力,专注光伏科技解决方案,研发出山海能源户用太阳能电站系统,为光伏发电事业提供全方位的一站式解决方案。 山海新能系统特点: 1、系统优势:集设计、生产、施工及运维于一体的高品质全产业链及一站式总承包服务,采用标准化设计,定制化生产,实现各部件无缝融合,保证发电系统的稳定高效。 2、智能运维:采用统一的监控管理系统,全天候大数据及人工检测,自动发现问题,随时响应启动维护方案。 3、品质保障:遵循最高的安全标准和耐用性,保障用户的发电收益。 4、个性选择:平改坡、阳光房等多样化的系统方案,以满足不同的用户需求,也可提供系统定制化服务。 5、简单便捷:安装容量小,并网流程简单,手机随查发电量及发电总收入等实时数据,数据尽在掌握。

About

Sheet Metal Master

Features
Read full description

Sheet Metal Master is an on-device calculation tool for duct fabrication, pipe fitting, and sheet-metal layout. Enter measurable dimensions to preview patterns, define fabrication allowances, save projects, and export DXF files. 15 TASKS • Ductwork: round-to-rectangle, rectangular reducer, 90° round tee, rectangular offset, rectangular miter elbow, and rectangular tee • Pipe and vessel work: oblique round tee, equal-diameter round Y branch, segmented elbow, cone/frustum, oblique-cut pipe, and spherical-head gores • Bending: single bend, double bend, and box bend WORKFLOW • Live result and flat-pattern previews • Welding, riveting, lock-seam, and manual allowances • Save, reopen, and update local projects • Share calculation summaries • Export millimeter-based ASCII R12 DXF files Core calculations run locally on your device. The round Y branch is a field-fit construction. A sphere cannot be flattened without strain, so spherical-head gores are an approximation with a reported boundary-strain value. Always verify material, connection details, and a sample before production cutting. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

山海新能4 screens
Sheet Metal Master3 screens

Verdict

The call

The clearest difference is in-app purchases: 山海新能 at none against Sheet Metal Master's 1. 山海新能 also leads on update cadence (every 11 days vs every 5 months) and iOS requirement (15.6 vs 17.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sheet Metal Master sells 1 in-app purchase, starting at $4.99 per month. 山海新能 asks for nothing beyond the download.

UpkeepUpdate frequency

山海新能 ships an update every 11 days, Sheet Metal Master every 5 months. The most recent releases landed on October 15, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 3 level
山海新能 versus Sheet Metal Master: the parameters behind the verdict, then further details
Parameter山海新能Sheet Metal Master
PriceFreeFree
Update frequencyEvery 11 days — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size106 MB7 MB
Age rating12+4+
DeveloperShanhai Wisdom (Beijing) Energy Technology Co., Ltd.磊 高

In-app purchases

None

山海新能

No in-app purchases

1 purchases

Sheet Metal Master

Subscriptions1
  • SheetMetal Master$4.991 Month

Questions

Is 山海新能 free?
山海新能 is free to download, with no in-app purchases.
Is Sheet Metal Master free?
Sheet Metal Master is free to download, with in-app purchases available.
Do 山海新能 or Sheet Metal Master have ads?
Neither 山海新能 nor Sheet Metal Master shows ads.
Which is updated more often, 山海新能 or Sheet Metal Master?
山海新能 ships an update every 11 days, and Sheet Metal Master every 5 months. Most recently, 山海新能 was updated on October 15, 2026 and Sheet Metal Master on September 23, 2026.

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