Easy PV
Midsummer
Design & simulation · Web
Pricing GBP 0 Per seat Free tier, no time limit
Sept 2026
Comparison
Arka 360 vs HELIOS 3D
30 differences · 6 identical
Arka 360Arka360
- Entry price
- USD 159
- Charged
- Per seat
- Free tier or trial
- No free tier or trial
- Named integrations
- 2
- Verified data points
- 11
HELIOS 3DHelios 3D (a product of STÖHR+SAUER CAD- und Computersystem GmbH)
- Entry price
- Not publicly disclosed
- Charged
- Quote only
- Free tier or trial
- No free tier or trial
- Named integrations
- 1
- Verified data points
- 9
The differences that matter most
- Price published Published Not published
- Pricing model per-seat quote-only
- Entry price 159 USD per month (one of three conflicting figures) Not established
Arka 360 or HELIOS 3D?
They differ most on price published. Arka 360 publishes USD 159; HELIOS 3D publishes Not publicly disclosed. They use different pricing models, so those figures do not compare directly.
We do not name a winner. Below are 30 differences drawn from the same sourced dataset that powers both product pages.
Verified against the vendor’s own pages.
Pricing
These cannot be compared on a single number
Arka 360 is priced per-seat and HELIOS 3D is priced quote-only. These are different pricing models, so a single side-by-side figure would be misleading. Each is shown as its vendor states it.
Arka 360
USD 159
159 USD per month (one of three conflicting figures)
Per seat
1 seat included
HELIOS 3D
Not publicly disclosed
Quote only
Prices are shown exactly as each vendor writes them and are never converted between currencies.
Where they differ
30 differences, ordered by how much they are likely to matter — pricing transparency first, then capabilities the vendor explicitly confirms or denies.
Legend Verified Vendor claim Not offered Not found Could not read
| Capability | Arka 360 | HELIOS 3D |
|---|---|---|
| Solar design & simulation | ||
| Battery sizing and modelling | Advanced Verified | — Not found |
| Loss and uncertainty modelling (P50/P90) | Advanced Verified | — Not found |
| Named weather / irradiance data source | — Not found | advanced Verified |
| 3D roof and obstruction model | Advanced Verified | — Could not read |
| Annual energy yield simulation | Advanced Verified | Basic Vendor claim |
| Bankable / IE-accepted simulation report | Basic Vendor claim | — Not found |
| Ground-mount / tracker layout | Basic Vendor claim | Advanced Verified |
| Inverter sizing | — Could not read | Advanced Verified |
| On-site capture (drone / photogrammetry) | — Not found | — Could not read |
| Shading analysis | — Could not read | Advanced Verified |
| String sizing / stringing | Advanced Verified | — Could not read |
| Proposals & sales | ||
| E-signature | — Could not read | — Not found |
| Proposal document generation | Advanced Verified | — Could not read |
| Estimation & financial modelling | ||
| ROI / payback calculation | Advanced Verified | — Not found |
| Reporting, data & BI | ||
| Report / deliverable export | — Could not read | Advanced Verified |
| AI & automation | ||
| AI design assistance | vendor-claimed Verified | — Could not read |
| Integrations & extensibility | ||
| Named, documented integrations | 2 Verified | 1 Verified |
| Public API | Basic Vendor claim | — Not found |
| Platform & deployment | ||
| Delivery model | hybrid Verified | software Verified |
| Web application | Yes Verified | — Could not read |
| Pricing & commercial terms | ||
| Price published | Published Verified | Not published Verified |
| Pricing model | per-seat Verified | quote-only Verified |
| Entry price | 159 USD per month (one of three conflicting figures) Verified | — Could not read |
| Currency | USD Verified | — Could not read |
| Seat cap | 1 Verified | — Could not read |
| Market fit & availability | ||
| C&I | Yes Verified | No Verified |
| Geographic availability | US; IN; global Verified | DE; global Verified |
| Residential | Yes Verified | No Verified |
| Target buyer | solo-installer; small-installer Verified | enterprise-epc; engineering-firm Verified |
| Utility-scale | No Verified | Yes Verified |
Scroll the table sideways to see both products. The capability column stays in place.
Where they are the same 6 data points
- Free tier
- Automatic module layout
- Single-line diagram
- CAD export (DXF/DWG)
- Remote site capture from imagery
- Product status
Which might suit you
Framed as requirements, not a verdict. Both descriptions come from the same data.
Consider Arka 360 if…
- you need a price you can plan against before talking to sales
- AI-assisted workflows matter to you
- your work is mostly residential
Residential and small-commercial installers who want design, shading, proposal and a light CRM in one subscription, and who are willing to buy permit plan sets from the same vendor. It is not for anyone who needs a dependable list price: the `/pricing` URL alone serves four incompatible price schedules in two currencies in a single page, and `/pricing-in` serves two different rupee schedules simultaneously. It is also not a utility-scale tool — there is no tracker or terrain workflow beyond a "single axis tracker" row in a feature table. [✓ https://arka360.com/pricing · 2026-09-25]
Full Arka 360 profileConsider HELIOS 3D if…
- you work at utility scale
For utility-scale project developers, EPCs and engineering firms that already own a Civil 3D estate, have IT able to run and back up a SQL Server instance, and need a layout that survives into earthworks and pile-driving coordinates. Not for anyone who wants a browser tool, a price they can read, a trial they can self-serve, a rooftop or residential workflow, or a licence that survives losing a USB stick — the vendor's own help centre says losing the dongle "will result in the irrevocable loss of your license" and recommends buying electronics insurance.
Full HELIOS 3D profileRelated comparisons
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Frequently asked
What is the main difference between Arka 360 and HELIOS 3D?
They differ most on price published. In total we recorded 30 verified differences and 6 points where they are the same.
Which costs more, Arka 360 or HELIOS 3D?
Arka 360 is priced per-seat and HELIOS 3D is priced quote-only. These are different pricing models, so a single side-by-side figure would be misleading. Each is shown as its vendor states it.
Is Arka 360 or HELIOS 3D better?
We do not name a winner. Both are described from the same verified data, and which suits you depends on your requirements — the differences above are the facts; the choice is yours.
Last verified
Vendors change pricing and features without notice. Check the vendor’s own page before deciding.
This comparison is generated from the feature database, not written by hand. A pair is only published when the data holds at least five stateable differences — which is why 281 candidate pairs were refused. How comparisons are built