KnowKnow AI vs Scented Soul Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KnowKnow AI
Effortlessly track your nutrition by simply snapping a photo of your food. This AI-powered tool provides instant analysis of calorie and macronutrient content, helping you understand your dietary intake.
- AI-powered food analysis
- Instant calorie and macro breakdown
- Photo-based tracking
- Nutrition insights
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AI-powered nutrition tracker — snap a photo, get instant calorie & macro analysis. Terms of Use: https://knowknow.app/terms Privacy Policy: https://knowknow.app/privacy
Scented Soul Diary
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Scented Soul Diary brings together a gratitude journal and everyday essential oil use, so your daily ritual feels simple. DAILY GRATITUDE • Write down ten things you're grateful for, with a mood and a photo • Today's oil and affirmation to start your day • Streaks, mood distribution and monthly entries show how you're doing WHAT DO YOU NEED RIGHT NOW? • 17 everyday moments: better sleep, calm, focus, morning boost, fresh home, kids, holidays and more • Each one shows suitable oils, simple how-to tips, diffuser blends and DIY recipes RECIPES • Nearly 300 diffuser blends, organised by season • Almost 100 DIY recipes: skincare, bath, home cleaning, kids, food and drinks • Shake your phone for a random in-season blend MY OILS (Premium) • Tick the oils you have at home and see them suggested first • Recipes show "Ready to diffuse" or how many oils you're missing • A reorder list for oils running low, plus your own custom oils ALSO • 142 oils with descriptions, blend ingredients and affirmations • Home screen widget, Face ID lock, iCloud sync and journal export • English and Chinese Premium is a one-time purchase that unlocks My Oils, full oil details, colour themes, mood statistics and customisation. This app is independently made and is not an official app. For general information only, not medical advice.
Screenshots
Verdict
The clearest difference is update cadence: Scented Soul Diary at every 4 days against KnowKnow AI's every 3 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
Both are free to download. KnowKnow AI sells 4 in-app purchases, starting at $9.99 per month and Scented Soul Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
KnowKnow AI ships an update every 3 weeks, Scented Soul Diary every 4 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.
| Parameter | KnowKnow AI | Scented Soul Diary |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 104 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | RETOWER TECH PTE. LTD. | BY MILLY CO. LTD |
In-app purchases
KnowKnow AI
- KnowKnow Plus$9.991 Month
- KnowKnow Pro$14.991 Month
- KnowKnow Plus Yearly$113.991 Year
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- KnowKnow Pro Yearly$178.991 Year
Scented Soul Diary
- Premium$9.99
Questions
Is KnowKnow AI free?
Is Scented Soul Diary free?
Do KnowKnow AI or Scented Soul Diary have ads?
Which is updated more often, KnowKnow AI or Scented Soul Diary?
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