Comparison

Grimorio vs Principles Personal Discovery

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

Head to head
About

Grimorio

Features
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Grimorio is your personal esoteric encyclopedia: a digital grimoire built for modern witches, tarot readers, astrologers and every seeker of the occult. Explore ancestral traditions through curated content, interactive divination tools and an immersive visual experience. ENCYCLOPEDIC CONTENT An ever-growing reference library: β€’ Minerals & crystals: energetic properties, uses and correspondences. β€’ Herbs & plants: magical and medicinal herbalism guide. β€’ Colors: symbolism in rituals, meditation and chromotherapy. β€’ Candles: traditional candle magic and rituals. β€’ Dreams: dream symbol dictionary and interpretation keys. β€’ Deities & pantheons: gods, goddesses and heroes from Greek, Egyptian, Norse, Celtic, Mesoamerican and other mythologies. β€’ Rites & rituals: ancestral ceremonies, ritual magic and devotional practices. β€’ Events & festivals: pagan sabbats, solstices, equinoxes and sacred seasonal dates. LEARN THE OCCULT Structured lessons on the history of occultism, witchcraft, hermeticism, symbolism, herbalism and cultural traditions β€” for every level. LUNAR & RITUAL CALENDAR β€’ Real-time moon phases with traditional influence. β€’ Sabbats, seasonal events and key dates. β€’ Daily reflection to walk your spiritual path. 10 INTERACTIVE DIVINATION TOOLS β€’ Tarot: all 78 arcana with detailed readings and historical symbolism. β€’ Norse runes: full runic alphabet and ancient meanings. β€’ Astrology: personal birth chart, zodiac compatibility and transits. β€’ Numerology: decode the numbers of your birth date. β€’ I Ching: ancient oracle with 64 hexagrams and changing lines. β€’ Dream journal: track and analyze your dreams. β€’ Jungian archetypes: universal patterns of the collective unconscious. β€’ Shadow work: integrate the hidden self through Jung's framework. β€’ Destiny matrix: your energetic map based on your birth date. β€’ Chinese zodiac: sign, element and Eastern tradition. Available in Spanish, English, Portuguese, French, Italian, German and Russian. Works offline β€” your data stays on your device. Contact: hello@grimorio.app Terms: https://grimorio.app/terms.html Privacy: https://grimorio.app/privacy.html

About

Principles Personal Discovery

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Principles turns centuries of Eastern personal probability mapping into clear, modern guidance for self-discovery and personal growth. Built on Bazi and Ziwei studies of the traditional lunar calendar and shaped by historical figure mapping, Principles maps 1,000+ personal archetypes, then goes further: it turns them into actionable personal, social, and vocational guidance you can use every day. Principles powers built proprietary scoring engine for all its chart, map, and daily alignment. Start your self-discovery journey. 1) Know your archetype See your Personal Map: strengths, blind spots, and the environments that drain you. Follow the path that lets you shine, and skip the ones that swallow you. 2) Find work that fits Vocational guidance that shows where you’re built to thrive; and which roles, cultures, and ladders to avoid. 3) Time your moves Daily calendar guidance so you know when to push, when to rest, and when cash, career, or relationships need attention, before the week runs you. 4) Learn the Eastern tradition: Plan the year with intention Annual and month-by-month readings show when to grow, rebuild, or wait, so you stop forcing decisions at the wrong moment. 5) Understand your circle Connection assessments reveal how you talk, support each other, and where you clash, so you protect the bonds that matter and learn to navigate those that are difficult. Principles is for reflection and personal growth only, not to replace medical, legal, financial, or psychological advice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://principles.today/privacy.html

Screenshots

Grimorio4 screens
Principles Personal Discovery4 screens

Verdict

The call

The clearest difference is ads: Principles Personal Discovery at none against Grimorio's shown. Grimorio's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Grimorio sells 2 in-app purchases, starting at $2.99 per month and Principles Personal Discovery sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Grimorio ships an update every 4 days, Principles Personal Discovery every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

Scorecard3 real differences Β· 3 level
Grimorio versus Principles Personal Discovery: the parameters behind the verdict, then further details
ParameterGrimorioPrinciples Personal Discovery
PriceFreeFree
Update frequencyEvery 4 days β€” betterEvery 3 weeks
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 β€” better15.1
Further details β€” not scored
Size173 MB57 MB
Age rating12+4+
DeveloperBlank TechTAN HAI LONG PHUNG

In-app purchases

2 purchases

Grimorio

Subscriptions2
  • Grimorio Pro Monthly$2.991 Month
  • Grimorio Pro Annual7 Days trial$24.991 Year
10 purchases

Principles Personal Discovery

One-time10
  • Palace Report - Friends$0.99
  • Palace Report - Parents$0.99
  • Palace Report - Spouse$0.99
Show 7 more
  • Palace Report - Siblings$0.99
  • Palace Report - Health$0.99
  • Palace Report - Children$0.99
  • Palace Report - Travel$0.99
  • Palace Report - Blessing$0.99
  • Annual Reading$0.99
  • Connection Report$0.99

Questions

Is Grimorio free?
Grimorio is free to download, with in-app purchases available.
Is Principles Personal Discovery free?
Principles Personal Discovery is free to download, with in-app purchases available.
Do Grimorio or Principles Personal Discovery have ads?
Grimorio shows ads; Principles Personal Discovery does not.
Which is updated more often, Grimorio or Principles Personal Discovery?
Grimorio ships an update every 4 days, and Principles Personal Discovery every 3 weeks. Most recently, Grimorio was updated on October 7, 2026 and Principles Personal Discovery on October 11, 2026.

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