Comparison

BioHacker vs Shadow Work

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

Head to head
About

BioHacker

Features
Read full description

Quit caffeine or cut back step by step with a gentle Caffeine Reset plan and BioCoach, the AI coach. Track every coffee and see when to have your last one. Plus fasting, lab results, supplements and habits. Free to use. No account, no ads. -- CAFFEINE (FREE) -- • Log espresso, coffee, tea, energy drinks or any mg amount. One tap: Caffeine widget button (iOS 17.2+), Control Center or Lock Screen (iOS 18+), Siri and Shortcuts • See the caffeine still in your body and an estimated cutoff for your last coffee, based on your bedtime. Only an estimate: everyone clears caffeine differently. • Caffeine Reset: your daily limit steps down over 10, 14 or 28 days to quit (0 mg) or cut back, with decaf and lower-caffeine swaps and an optional daily check-in • Apple Health: caffeine other apps save there counts toward your daily total and limit; your logs can be saved there and are never counted twice -- MORE FREE TOOLS -- • Fasting: 16:8, 18:6, 20:4, OMAD, 5:2 or a custom 12–72 hour plan, with milestones, a Live Activity and a widget • Lab results saved by hand; supplements and medications with reminders • Habits with streaks and Challenges; water log with reminders • Quit trackers for smoking, alcohol, sugar or your own habit, with milestones and money saved • Recovery Mode: sick, injured or recovering? Your streak pauses, Readiness shows a recovery guide instead of low-score warnings, and suggestions get gentler. • Recovery Readiness from HRV, resting heart rate and sleep in Apple Health, or an Estimated score from logged energy • Breathwork: Box, Relax (4-7-8), Energize and Power Breathing; save sessions to Apple Health as Mindful Minutes • Nutrition: log meals by hand and save them to Apple Health; food other apps log there shows up in its own card • US units (lb, fl oz, °F) or metric • Sleep Analysis, Menstrual Cycle (not birth control), Mood and Body Trackers, Body Clock, Medical Reminders, morning brief, Wellness Score -- BIOCOACH, THE AI COACH -- Ask about your routine and get one clear next step; 5 free messages a day. Replies come from Anthropic (the company behind Claude), a third-party AI provider. The app asks for your permission before your first AI request. Requests pass through BioHacker's server on Google Cloud, which counts them for daily limits and never stores their content. Health data (sleep, caffeine, lab values…) is added only if you turn on health data sharing; photos are sent only if you allow it. Turn AI or sharing off anytime in Profile > AI. -- PREMIUM -- • Up to 40 AI requests a day (chat, scans, estimates), photo attachments and a Daily Protocol • Lab report scans: a plain-language summary from a photo or scan, with the values saved. 1 free trial scan. Not a diagnosis. • AI Meal Analysis: calories and macros from a photo or description, editable before saving • Score Breakdown with AI Insight, plus all personal Insights • Toxin Scanner: snap an ingredient list for an AI estimate of IARC, EFSA, EU and FDA classifications per ingredient. It can make mistakes. Premium is a monthly or yearly subscription (the yearly plan starts with a 1-week free trial for eligible new subscribers), charged to your Apple Account. It renews automatically unless canceled at least 24 hours before the period ends; manage it in your App Store account settings. -- YOUR DATA -- Your logs are stored on your device; no account needed. Apple Health is read and written only with your permission. Google Firebase Analytics shows which features are used; turn it off anytime in Profile. -- IMPORTANT -- BioHacker is not medical advice. It offers general wellness information and does not diagnose or treat any condition. Talk to a health professional before changing your diet, caffeine intake or medication, especially if you are pregnant or have a health condition. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.gamersimulation.com/privacy-policy

About

Shadow Work

This app offers a structured journaling experience based on Jungian psychology to explore hidden aspects of yourself. It guides you through stages of self-discovery, integration, and self-actualization with written prompts and body awareness exercises. All your entries are stored privately on your device.

Highlights
  • 25 structured sessions across 3 stages
  • Shadow Archetype and Exile reveal
  • Trigger & Glimmer tracker
  • The Mirror reflection tool
  • Grounding breathwork and body check-ins
  • Private, device-only journaling
  • Progress tracking and daily streaks
Features
Read full description

Shadow Forge is a structured shadow work journal built on Jungian psychology. A guided descent into the parts of yourself you've been ignoring, judging, or hiding from the world. HOW IT WORKS Shadow Forge divides your inner work into 3 stages and 25 sessions: Stage 1 - Shadow: 7 sessions Meet the parts you cast away. Explore your projections, your triggers, and the qualities you deny in yourself. Ends with your Shadow Archetype reveal - and the Exile it has been protecting. Stage 2 - Integration: 10 sessions Stop fighting what you found. Learn to own the shadow instead of being owned by it. Stage 3 - Self: 8 sessions The work becomes who you are. Live from a more complete version of yourself. WHAT EACH SESSION INCLUDES - A grounding ritual to prepare the container - 3 written prompts designed to surface what hides beneath the surface - A body check-in to locate emotion as sensation - Everything stored privately on your device THE FIRST STAGE IS FREE Complete all 7 sessions of Stage 1 at no cost. Unlock Stage 2 and Stage 3 with a monthly or annual subscription. YOUR JOURNAL. NO ONE READS IT BUT YOU. Every response is stored locally on your device. No account. No cloud. No server ever receives your entries. FEATURES - 25 structured sessions across 3 stages - Shadow Archetype reveal, plus an Exile card - the wound your Archetype has been protecting - Trigger & Glimmer tracker - log what drains you and what lifts you, see the pattern over 14 days - The Mirror - a 5-question reflection that reveals your relationship pattern, synthesized with your Shadow Archetype - Grounding breathwork before each session - Body awareness check-in - Private journal - device only, no cloud - Shadow dialogue and Both are true: two longer writing practices (subscribers) - A crystal that grows with your progress, one facet per session - A daily symbol, and Then and now to read your own words side by side - Carry-forward: one small thing from a session comes back the next day - App lock, discreet reminders, and delete all data any time - Home screen widget, backup and restore - Progress tracking across all sessions - Daily streak - Grounding exercise available anytime - 11 languages supported Shadow Forge is a self-guided journaling tool. It is not therapy or medical advice. If you are in crisis, please contact a mental health professional or a crisis line. Privacy Policy: https://enginaytekin.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BioHacker4 screens
Shadow Work4 screens

Verdict

The call

BioHacker and Shadow Work 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BioHacker sells 2 in-app purchases, starting at $4.99 per month and Shadow Work sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
BioHacker versus Shadow Work: the parameters behind the verdict, then further details
ParameterBioHackerShadow Work
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size17 MB51 MB
Age rating17+9+
DeveloperMustafa KandemirEngin Aytekin

In-app purchases

2 purchases

BioHacker

Subscriptions2
  • Monthly Premium$4.991 Month
  • Yearly Premium7 Days trial$29.991 Year
2 purchases

Shadow Work

Subscriptions2
  • Monthly7 Days trial$7.991 Month
  • Annual7 Days trial$59.991 Year

Questions

Is BioHacker free?
BioHacker is free to download, with in-app purchases available.
Is Shadow Work free?
Shadow Work is free to download, with in-app purchases available.
Do BioHacker or Shadow Work have ads?
Neither BioHacker nor Shadow Work shows ads.
Which is updated more often, BioHacker or Shadow Work?
BioHacker ships an update every 2 weeks, and Shadow Work every 2 weeks. Most recently, BioHacker was updated on October 25, 2026 and Shadow Work on October 24, 2026.

Other comparisons