Z vs Vitalsleuth Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Z
Generate audio frequencies for personal wellness and experimental use. Explore over 1300 sequences for frequency-based practices on your mobile device. This app is for wellness exploration and is not a medical device.
- Rife frequency generator
- Over 1300 sequences
- Audio frequency generation
- Wellness exploration
- Mobile and tablet use
Read full descriptionHide full description
Z-App is a rife frequency generator designed to generate audio frequencies for wellness. With over 1300 sequences, it allows users to explore frequency-based wellness practices right on their phone or tablet. Disclaimer: Z-App is intended for personal wellness and experimental use only. It is not intended to diagnose, treat, cure, or prevent any medical condition. The frequency lists provided are based on anecdotal and alternative wellness traditions and are not supported by medical evidence. Always consult a healthcare professional before using the app, especially if you have any health concerns. This app should not be used as a substitute for professional medical advice or treatment. Use of the app is at your own discretion.
Vitalsleuth Mobile
Monitor the activity of loved ones who live alone by tracking their phone usage patterns. Receive alerts when there's an unusual lag in their interaction, prompting you to check in. Authorize contacts to set activity thresholds and receive notifications for peace of mind.
- Monitor loved ones' phone activity
- Receive alerts for unusual activity lags
- Authorize contacts for subscriptions
- Set activity thresholds
- Send checkups and receive confirmations
Read full descriptionHide full description
When the people you care about live alone, use your phone to get a sense of when something could be wrong. Because we interact with our phones so regularly, an unexpected lag in that interaction could be the sign of a problem. Use these lags to inform when you should check on your loved ones. - Authorize contacts to create subscriptions and receive notifications - Follow contacts and set thresholds for activity lags. Get alerts based on these lags - Send checkups and receive I'm ok confirmations for peace of mind
Screenshots
Verdict
The clearest difference is in-app purchases: Z at none against Vitalsleuth Mobile's 1. Z also leads on ratings volume (516 vs 1). Vitalsleuth Mobile's advantage is update cadence (every 8 days vs every 2 months). On price, rating, ads 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. Vitalsleuth Mobile sells 1 in-app purchase, starting at $24.99 per year. Z asks for nothing beyond the download.
Vitalsleuth Mobile holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Z has 516 ratings behind it against 1, so its average is the more settled of the two.
Z ships an update every 2 months, Vitalsleuth Mobile every 8 days. The most recent releases landed on October 29, 2026 and October 15, 2026 respectively.
| Parameter | Z | Vitalsleuth Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (516 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 516 — better | 1 |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 17 MB | 48 MB |
| Age rating | 17+ | 17+ |
| Developer | Allt Hitt ehf | Vitalsense App, LLC |
Customer experience
Z
Vitalsleuth Mobile
Bugs and requests
Z
Reported bugs
5 issues- Freezing during session
- Stopping playback when interrupted
- Compatibility issues with newer OS
- Lack of TMJ frequency
- Unexpected volume adjustments
Requested features
6 requests- Sawtooth tone
- Multiple frequencies
- Play controls
- Dark mode
- Back button
Show 1 moreShow fewer
- Users manual
Vitalsleuth Mobile
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Z
No in-app purchases
Vitalsleuth Mobile
- Vitalsleuth Subscription$24.991 Year
Questions
Is Z free?
Is Vitalsleuth Mobile free?
Which has better reviews, Z or Vitalsleuth Mobile?
Do Z or Vitalsleuth Mobile have ads?
Which is updated more often, Z or Vitalsleuth Mobile?
Other comparisons
