Comparison

Simple Weight Tracker vs ThirdVoice

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

Head to head
About

Simple Weight Tracker

Features
Read full description

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!

About

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.

Highlights
  • 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
Features
Read full description

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

Simple Weight Tracker4 screens
ThirdVoice4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 6 level
Simple Weight Tracker versus ThirdVoice: the parameters behind the verdict, then further details
ParameterSimple Weight TrackerThirdVoice
PriceFreeFree
Positive reviewsโ€”0.0% of reviews
Update frequencyEvery 18 monthsEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
Monetizationโ€”Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size22 MB15 MB
Age rating4+12+
DeveloperMichal KurczakRajdeep Kaur

In-app purchases

None

Simple Weight Tracker

No in-app purchases

4 purchases

ThirdVoice

Subscriptions4
  • Monthly Plus Subscription$11.001 Month
  • ThirdVoice Pro Monthly$19.991 Month
  • Annual Plus subscription$107.991 Year
Show 1 more
  • ThirdVoice Pro Annual$199.991 Year

Questions

Is Simple Weight Tracker free?
Simple Weight Tracker is free to download, with no in-app purchases.
Is ThirdVoice free?
ThirdVoice is free to download, with in-app purchases available.
Do Simple Weight Tracker or ThirdVoice have ads?
Neither Simple Weight Tracker nor ThirdVoice shows ads.
Which is updated more often, Simple Weight Tracker or ThirdVoice?
Simple Weight Tracker ships an update every 18 months, and ThirdVoice every 2 weeks. Most recently, Simple Weight Tracker was updated on September 30, 2026 and ThirdVoice on August 29, 2026.

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