Truthr vs Kiddopedia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Truthr
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Ever wondered if someone is telling the truth? With Truthr, you can now get real-time insights into truthfulness by leveraging the advanced biometric sensors on your Apple Watch. Truthr monitors key physiological indicators known to shift under stress or deception. These include heart rate, heart rate variability (HRV), skin conductivity, and blood oxygen levels — all collected seamlessly from your Apple Watch. Our algorithm interprets these micro-changes to estimate the likelihood that someone is lying during a conversation, test, or personal reflection. Whether you're testing yourself or having a conversation where honesty matters, Truthr helps you uncover hidden patterns beneath the surface. How It Works: Once connected to your Apple Watch, Truthr continuously collects biometric data in real time. When the app is in lie detection mode, it compares your baseline vitals with changes triggered by emotional or cognitive stress — known signs of deception. Using signal analysis and deception probability scoring, the app presents a clean and intuitive result: likely truthful or possibly deceptive. Key Features: • Continuous heart rate & HRV tracking • Real-time skin conductance monitoring • Blood oxygen level detection • Proprietary stress/deception algorithm • Seamless Apple Watch support • Session history & insights • Privacy-focused: Your data stays on your device Why Truthr? Most peoplanalysisw subtle physiological changes when they lie — but they’re nearly impossible to notice without advanced tools. Truthr brings lie detection science out of the lab and onto your wrist, giving you a powerful tool for personal awareness, playful challenges, or private testing. Premium features: - Unlimited analysis and tests Disclaimer: Truthr is designed for entertainment and personal insight. While grounded in real biometric science, it is not a substitute for professional or legal lie detection. Terms of Use: https://docs.google.com/document/d/19sIWSDPRrHl5S5-CKj9HrZMtQnbVhP5_J2IGwg14LD8/edit?usp=sharing
Kiddopedia
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Kiddopedia: Practical Parenting, Calibrated for You. Parenting isn’t about having all the answers; it’s about knowing what to do next. Kiddopedia is a focused, high-utility app for parents who need a calm, specific, and actionable idea when they’re stuck in the middle of a challenging moment. Whether it's a toddler’s tantrum, a school-age child’s frustration, or a teenager’s withdrawal, Kiddopedia helps you move from uncertainty to action in seconds. HOW IT WORKS - The Ask: Describe your situation and your child’s age (0-18). - The Reframe: Receive a single, brief insight into why the behavior might be happening developmentally. - The Action: Get immediately usable suggestions tailored to your child’s age. - The Resolution: Pick one, try it, and move forward with your day. WHY KIDDOPEDIA? - No Theory, Just Practice: We don’t give you articles to read or long-winded advice. We give you a plan. - Age-Specific Logic: Advice for a 3-year-old and a 13-year-old is never the same. Our suggestions are calibrated to your child’s specific developmental stage. - Zero Friction: No ads, no paywalls, no notifications. Your focus should be on your child, not your phone. - Calm Design: A clean, high-contrast interface designed for clarity, even if you’re tired or stressed. Kiddopedia is like having a well-read trusted friend who knows your child and is always ready for a quick, sensible chat. Ask. Get unstuck. Go.
Screenshots
Verdict
The clearest difference is in-app purchases: Kiddopedia at none against Truthr's 4. Truthr's advantage is ads (none vs shown) and iOS requirement (16.0 vs 26.2). On price 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. Truthr sells 4 in-app purchases, starting at $2.99 per 7 days. Kiddopedia asks for nothing beyond the download.
| Parameter | Truthr | Kiddopedia |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 10 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmet Giray Ucar | Sagar Vasnani |
In-app purchases
Truthr
- Truthr Weekly Discounted$2.997 Days
- Truthr Weekly Premium$3.997 Days
- Truthr Monthly Premium$7.991 Month
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- Truthr Yearly Premium$39.991 Year
Kiddopedia
No in-app purchases









