Simple Weight Tracker vs ThirdVoice
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Simple Weight Tracker
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Stay on top of your weight loss journey with 'Track My Weight'. Easily log your daily weight and watch as the app intuitively groups your entries by weeks and months. Gain deeper insights by comparing your weekly and monthly average weights, observing patterns and tracking progress. Visual enthusiasts will appreciate the graph view, showcasing weight trends over time. Plus, set your goal weight and watch as you inch closer to your fitness aspirations. Whether you're looking to shed some pounds or maintain your current weight, 'Track My Weight' is your reliable companion!
ThirdVoice
This AI companion helps you break free from overthinking by providing a private space to process anxious thoughts and emotional spirals. It aids in reframing worries, building a journal of patterns, and developing new mental pathways for calmer, clearer thinking.
- Reframe anxious thoughts
- Talk through relationship stress
- Build a memory-backed journal
- Use Rewire for in-depth thought work
- Develop new mental pathways
- Private space for processing
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ThirdVoice helps you understand what is happening in your mind and your body, so you can stop overthinking, regulate stress, and feel clearer. When your mind gets stuck replaying a conversation, worrying about what someone meant, or imagining the worst, ThirdVoice gives you a private place to talk it through. ThirdVoice goes beyond chat. It can combine what you share with optional signals such as sleep, activity, resting heart rate, workouts, and other health data you choose to connect, helping you see how your body may be affecting your mood. What you can do with ThirdVoice: - Talk through overthinking and emotional spirals with an AI companion that remembers important context. - Work with recurring thoughts by spotting the loop, challenging the pattern, and building a calmer perspective. - Understand your mood using conversations, check-ins, and optional body signals. - See the brain-body connection between sleep, movement, stress, recovery, and how you feel. - Track patterns over time across mood, thoughts, triggers, and habits. - Calm your nervous system with guided breathing, meditation, and grounding exercises. - Build a memory-backed journal of important moments, insights, wins, and patterns. ThirdVoice is designed for people who want more than quick reassurance. Instead of treating every difficult moment as a separate conversation, it helps you notice what keeps repeating: the thoughts, situations, memories, and body signals that may be contributing to how you feel. Over time, ThirdVoice becomes a more complete picture of your mind, your body, and the patterns connecting them. Download ThirdVoice for free and start understanding yourself with more context. ThirdVoice is not a replacement for therapy, crisis support, diagnosis, or medical care. Health and mood insights are informational and should not be treated as medical advice. If you may hurt yourself or someone else, contact your local emergency services or crisis support immediately.
Screenshots
Verdict
The clearest difference is in-app purchases: Simple Weight Tracker at none against ThirdVoice's 4. ThirdVoice's advantage is update cadence (every 2 weeks vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. ThirdVoice sells 4 in-app purchases, starting at $11.00 per month. Simple Weight Tracker asks for nothing beyond the download.
Simple Weight Tracker ships an update every 18 months, ThirdVoice every 2 weeks. The most recent releases landed on September 30, 2026 and August 29, 2026 respectively.
| Parameter | Simple Weight Tracker | ThirdVoice |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 0.0% of reviews |
| Update frequency | Every 18 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 22 MB | 15 MB |
| Age rating | 4+ | 12+ |
| Developer | Michal Kurczak | Rajdeep Kaur |
In-app purchases
Simple Weight Tracker
No in-app purchases
ThirdVoice
- Monthly Plus Subscription$11.001 Month
- ThirdVoice Pro Monthly$19.991 Month
- Annual Plus subscription$107.991 Year
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- ThirdVoice Pro Annual$199.991 Year





