Vfit Ewell vs Sleep Efficiency Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vfit Ewell
Read full descriptionHide full description
Vfit Ewell app features include access control (entering Vfit), class bookins, membership bookings, updates on club information
Sleep Efficiency Tracker
Improve sleep quality and combat insomnia using CBT-I principles. This tool helps track and optimize sleep patterns by calculating a sleep efficiency score for better rest.
- Track sleep patterns
- Calculate sleep efficiency score
- Combat insomnia
- Based on CBT-I principles
- Improve sleep quality
- Gain insights for better rest
Read full descriptionHide full description
Improve your sleep quality and combat insomnia with the Sleep Efficiency Calculator. This simple tool, based on Cognitive Behavioral Therapy for Insomnia (CBT-I) principles, helps you track and optimize your sleep patterns. Calculate your sleep efficiency score, a key metric in assessing sleep quality, and gain insights to improve your rest. Whether you're dealing with occasional sleep issues or chronic insomnia, our app provides the data and guidance you need for better sleep.
Screenshots
Verdict
The clearest difference is update cadence: Sleep Efficiency Tracker at daily against Vfit Ewell's every 2 months. 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. Neither carries in-app purchases, so what you see is what you pay.
Vfit Ewell ships an update every 2 months, Sleep Efficiency Tracker daily. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.
| Parameter | Vfit Ewell | Sleep Efficiency Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 96 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | Vfit Ewell | Sebastian Smith |
In-app purchases
Vfit Ewell
No in-app purchases
Sleep Efficiency Tracker
No in-app purchases
Questions
Is Vfit Ewell free?
Is Sleep Efficiency Tracker free?
Do Vfit Ewell or Sleep Efficiency Tracker have ads?
Which is updated more often, Vfit Ewell or Sleep Efficiency Tracker?
Other comparisons















