Comparison

Mann vs Peptrend

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

Head to head
About

Mann

Features
Read full description

Mann (मन) is an AI journal and personal diary built for the realities of Indian life — family pressure, work stress, arranged marriage anxiety, loneliness, burnout. This is the place you can finally say what you actually feel. No judgment. Nothing gets back to anyone in your life. WHAT MANN DOES → Talk or type — Mann listens, asks the right questions, and writes back what you might have missed → Tones — choose how Mann talks back from 12 voices, such as Listener, Comedian, Optimist, Philosopher or Realist. Give it a name and shape it in one line → Memory — Mann keeps a short list of what you left unresolved, so you don't repeat yourself next time. You can read and delete it any time → Weekly insights (Premium) — your themes, your emotional patterns, and the people you write about most → Journal prompts — Mann opens with a question when you don't know where to start → Guided programs — breakup recovery, 7-day anxiety, parents' expectations, burnout recovery, and more. Gratitude and sleep are free in full; all 7 on Premium → Mood tracker — log how you feel and see your moods on a calendar, day by day → Habits — track the small daily habits that keep you steady → Reminders — a gentle nudge at up to three times you choose → Voice journal (Premium) — speak it instead of typing it → Eight languages — Hindi, English, Tamil, Telugu, Kannada, Bengali, Marathi, Hinglish YOUR PRIVACY, ACTUALLY PROTECTED → Encrypted on your device — entries are encrypted before they're stored. We store ciphertext. → Your words are read in flight, not at rest — a private safety check reads every finished entry, and the AI reads it to write your reflection. Not stored, never used for training → Entries are readable only on the phone that wrote them → Never sold, never shared → Delete everything, any time — removed immediately; backups purged within 30 days → Biometric lock Mann is not a medical device or a replacement for therapy. If you're in crisis: Crisis lines for India, the UK, the US, Canada, Australia and five more countries are inside the app. For adults 18 and older. Mann Premium is an auto-renewable subscription. Payment is charged to your Apple Account at confirmation of purchase, and the subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://mannjournal.app/terms Privacy Policy: https://mannjournal.app/privacy

About

Peptrend

Track your weight trends with advanced smoothing algorithms and log GLP-1 doses with estimated circulating levels. Monitor progress towards goals and analyze athletic performance data, all while prioritizing user privacy with no account or network calls.

Highlights
  • Advanced weight trend smoothing algorithms
  • GLP-1 dose logging with circulating level estimates
  • Goal progress tracking with waterfall charts
  • Athlete Mode for VO2 max and heart rate analysis
  • Privacy-focused with no account or network calls
  • Import data from Apple Health
Features
Read full description

Peptrend draws the trend line under your weigh-ins. Body weight swings several pounds a day on water, food, and salt. A single reading is a noisy sample of a slow-moving signal, so Peptrend fits a smoothed line through your data and shows what is happening underneath it. THE TREND Choose how the line gets drawn: exponentially weighted moving average, the Hacker's Diet filter, a Kalman filter, Hull, DEMA and TEMA, rolling median, Kaufman's efficiency ratio, and more. Swipe between methods and watch the same weigh-ins redraw. Import your history from Apple Health or enter readings by hand. DOSES Log GLP-1 doses, injected or oral, and see an estimate of how much is still circulating based on that medication's half-life. Oral tablets are modeled with their own absorption, so a 14 mg tablet is not charted as 14 mg in your bloodstream. Moving to a different medication, or taking two at once? Each one keeps its own half-life and its own line on the chart. Log vials, reconstitution, injection-site rotation, and titration over time. GOAL PROGRESS Set a target weight and a date, or a steady weekly rate. A waterfall chart breaks progress down week by week, colored by the dose you were taking, so the weeks that moved are easy to tell apart from the ones that did not. ATHLETE MODE If you train, switch on Athlete Mode and a new tab charts what your watch already records in Apple Health: VO2 max, heart rate variability, resting and walking heart rate, cardio recovery, blood oxygen, exercise minutes and more. Each line is colored by the dose you were taking, so you can see the two side by side. Peptrend reads those numbers and never writes to them, and it does not claim that one causes the other. PRIVACY No account, no analytics, no advertising, no network calls. Weigh-ins live on your device and in your own private iCloud database, which we cannot read. The privacy manifest declares no collected data and no tracking. PEPTREND PRO Logging your weight and doses is free, and stays free. Pro adds the full set of trend methods, projections, energy-deficit estimates, the goal waterfall, and Athlete Mode. Seven days free, then $12.99 per month, $69.99 per year, or $99.99 once. Peptrend is not a medical device and does not diagnose, treat, cure, or prevent any medical condition, and it does not provide medical advice. Circulating-dose figures are estimates derived from published half-lives, not measurements of your blood. Decisions about your treatment belong with your prescriber. TERMS AND PRIVACY Terms of Use: https://peptrend.app/terms Privacy Policy: https://peptrend.app/privacy

Screenshots

Mann4 screens
Peptrend4 screens

Verdict

The call

The clearest difference is update cadence: Mann at every 2 days against Peptrend's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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. Mann sells 2 in-app purchases, starting at $2.99 per month and Peptrend sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mann ships an update every 2 days, Peptrend every 2 weeks. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
Mann versus Peptrend: the parameters behind the verdict, then further details
ParameterMannPeptrend
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.0
Further details — not scored
Size93 MB6 MB
Age rating17+17+
DeveloperMZEUS LABS LLPFluctus Limited

In-app purchases

2 purchases

Mann

Subscriptions2
  • Mann Premium Monthly$2.991 Month
  • Mann Premium Yearly$14.991 Year
3 purchases

Peptrend

Subscriptions2
  • Peptrend Pro Monthly7 Days trial$12.991 Month
  • Peptrend Pro Yearly7 Days trial$69.991 Year
One-time1
  • Peptrend Pro Lifetime$99.99

Questions

Is Mann free?
Mann is free to download, with in-app purchases available.
Is Peptrend free?
Peptrend is free to download, with in-app purchases available.
Do Mann or Peptrend have ads?
Neither Mann nor Peptrend shows ads.
Which is updated more often, Mann or Peptrend?
Mann ships an update every 2 days, and Peptrend every 2 weeks. Most recently, Mann was updated on October 31, 2026 and Peptrend on October 31, 2026.

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