Comparison

MoodRx vs Cairn

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

Head to head
About

MoodRx

Features
Read full description

MoodRx is your pocket mood coach — the bedside manner of a doctor who's seen it all, the wit of a friend who won't let you spiral. Tap the mic and just talk. In about 20 seconds, Dr. MoodRx listens, reads how you're really doing, and writes back — no forms, no 1–10 sliders unless you want them. WHAT YOU GET • Voice venting — say it out loud; MoodRx turns it into a mood read and a reply that actually lands • Dr. MoodRx, your AI coach — a post-workout line, a nudge, or (if you turn it on) a loving roast • Prescriptions — a quick, doable plan for the mood you're in • Insights — spot the patterns behind your good days and your bad ones • Streaks, supplement tracking, and workouts that double as mood medicine • Crisis resources one tap away, always PRIVATE BY DESIGN Your history lives on your device. Your voice is transcribed on-device when possible. Nothing is sold or used to train AI. Own It once to unlock everything, or go MoodRx+ for coach voices and more — start with a 7-day free trial. Feelings are data. Let's read the chart. MoodRx+ is an auto-renewable subscription. • MoodRx+ Monthly — $3.99/month • MoodRx+ Yearly — $24.99/year • 7-day free trial, then your selected plan. Payment is charged to your Apple ID at confirmation of purchase. Your subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://soul2fade.github.io/moodrx/privacy-policy.html

About

Cairn

Features
Read full description

Cairn is a calm, private place to track your sobriety and celebrate each day forward. It's a support tool for your own journey — not treatment, and not a substitute for professional help. Free, forever: - Sober day counter that keeps going as long as you do - One-tap daily check-in - Milestones and gentle celebrations as you climb - Stats: days sober, money saved, and a calendar of your journey - Private mood and craving journaling Reflection (optional upgrade): - Gentle, non-clinical observations about patterns in your moods and cravings - A weekly reflective summary - Unlimited journal history Private by design: Your streak, check-ins, stats and journal stay on your device. Nothing is sold or shared. Only the reflection entries you choose are sent securely for processing. If you are in crisis, Cairn includes crisis resources — and always encourages reaching out to professional help. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mike43-ai.github.io/cairn-legal/privacy/

Screenshots

MoodRx4 screens
Cairn4 screens

Verdict

The call

The clearest difference is iOS requirement: Cairn at 13.0 against MoodRx's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. MoodRx sells 3 in-app purchases, starting at $3.99 per month and Cairn sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Ā· 4 level
MoodRx versus Cairn: the parameters behind the verdict, then further details
ParameterMoodRxCairn
PriceFreeFree
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size48 MB44 MB
Age rating12+17+
DeveloperDaniel ZimmerHuy Nguyen

In-app purchases

3 purchases

MoodRx

Subscriptions2
  • MoodRx+ Monthly7 Days trial$3.991 Month
  • MoodRx+ Yearly7 Days trial$24.991 Year
One-time1
  • MoodRx Pro$9.99
2 purchases

Cairn

Subscriptions2
  • Cairn Reflection Monthly14 Days trial$4.991 Month
  • Cairn Reflection Annually14 Days trial$39.991 Year

Questions

Is MoodRx free?
MoodRx is free to download, with in-app purchases available.
Is Cairn free?
Cairn is free to download, with in-app purchases available.
Do MoodRx or Cairn have ads?
Neither MoodRx nor Cairn shows ads.

Other comparisons