Comparison · Updated July 2026

Astrologer vs Janus

Janus 6, from Astrology House, is a mature professional Windows program for predictive work — primary directions, dynamic reports, astromapping, and customizable charts — refined over many years. It is a $275 one-time Windows license with no browser version. Astrologer also supports primary directions and broad timing work, then adds cross-device access, learning, AI, and practice management.

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Janus at a glance

A long-established professional Windows program with deep predictive and electional tools.

Maker	Astrology House (New Zealand). Current major version: Janus 6.
Platforms	Windows desktop only (Mac via emulation). No native web or mobile.
Pricing	$275 one-time for Janus 6; upgrades from Janus 5 are $99 and from Janus Light are $195.
Calculation engine	Swiss Ephemeris.
Best for	Professional astrologers on Windows who want deep predictive and electional tooling in a dedicated program.

Feature comparison

Feature	Astrologer	Janus
Deep predictive tools (directions, dynamic reports)	Broad pro set	Yes — a strength
Runs in any browser, any device	Yes	No — Windows install
Works fully offline	Needs a connection	Yes — once installed
Price	Free tools / $26 Practitioner	$275 one-time
Astrocartography + relocation	Yes	Yes
Profections, progressions, returns	Yes	Yes — extensive
Electional + chart search	Electional + VOC	Yes
AI readings + plain-English interpretation	Yes	Report text, no AI
Synastry + composite	Yes	Yes
Live sessions + community + Academy	Yes	No
Calculation engine	Swiss Ephemeris	Swiss Ephemeris

Where Janus wins

Deep, refined predictive workflows with dynamic reports and especially strong astromapping interpretation.
A dedicated, customizable desktop program that works fully offline once installed.
A one-time license rather than a recurring subscription for the core program.

Where Astrologer wins

Runs in any browser on any device — no Windows, no install, no license key.
Free public tools plus one browser account across devices.
AI readings and plain-English interpretation built in, which Janus does not offer.
Cloud-saved charts, live practitioner sessions, a community, and a built-in Academy.

The bottom line

For a Windows professional who wants a dedicated offline program with mature predictive reports and unusually strong astromapping interpretation, Janus remains a serious choice. Astrologer is the broader cross-device workspace when interpretation, AI, learning, and client operations matter as much as the calculations.

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Frequently asked questions

Does Astrologer support primary directions like Janus?

Yes. Astrologer includes zodiacal and advanced mundane primary-directions methods. Janus still offers a more mature dedicated forecasting and report workflow around predictive work.

Does Astrologer run on Mac, unlike Janus?

Yes — Astrologer runs in any browser, so Mac, Windows, Linux, tablets, and phones all work natively. Janus is a Windows program.

Does Janus need to be installed?

Yes, Janus is desktop software you install on Windows. Astrologer runs in the browser with nothing to install, though it needs an internet connection.

Which has better interpretation, Janus or Astrologer?

Janus produces detailed report text; Astrologer adds live AI readings generated from your specific chart plus plain-English interpretation, on top of the same Swiss Ephemeris calculations.