Comparison

40 Day Challenge vs SkyCycle

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

Head to head
About

40 Day Challenge

This app helps users achieve personal goals through motivational techniques, audios, and videos. It incorporates features from positive psychology and mindfulness to improve life quality and offers daily goal tracking with configurable reminders.

Highlights
  • Collect points to track progress
  • Positive psychology techniques
  • Mindfulness audio tutorials
  • Video introductions to personal development areas
  • Daily goal tracking and reflection
  • Configurable reminders
Features
Read full description

The core value of the app is to assist you in achieving your personal goals. This is made possible by various motivational techniques that have proven to be effective in research. In addition, some features, such as audios and videos are provided, that relate to your individual goals. In the app you will have the following features: - Collect points to check your progress! Most interactions with the app are rewarded with points. This helps you to achieve your goals. For example, you'll earn points for the daily log in, the tracking of your goals, and the continuous use of the 40 Day Challenge. - Use of features from positive psychology to enhance your life quality! The still young science of positive psychology has made some amazing discoveries. It has been shown that answering some questions significantly improves the quality of life. Therefore, it was important to us to support the user also by content from this area. - Apply mindfulness techniques with audio tutorials. In addition, audios from experienced coaches are provided on various relaxation techniques. These range from classic breath relaxation to progressive muscle relaxation and different types of meditation. - Video-introductions to the different areas. This app focuses on different areas of personal development. To each main-section, we offer introductory videos from the founders of the system. - Track goals for daily review and reflection! It is important to reflect your goals every day. For this, we have provided the possibility to track the individual goals. Here it can be considered how well certain goals were pursued during the course of the day. Individually configurable reminders will assist the user.

About

SkyCycle

Experience a unique 45-minute outdoor cycling class with advanced technology. Reserve your spot, manage your membership, and enjoy rides suitable for all fitness levels.

Highlights
  • Reserve cycling classes
  • Purchase memberships
  • State-of-the-art technology
  • 45-minute rides
  • Suitable for all fitness levels
Features
Read full description

SkyCycle is a premium outdoor cycling studio featuring state-of-the-art technology to deliver a 45 minute ride like no other. Download the app to reserve your classes, purchase your membership and more. SkyCycle classes are available for all fitness levels.

Screenshots

40 Day Challenge4 screens
SkyCycle4 screens

Verdict

The call

The clearest difference is review sentiment: SkyCycle at 100% against 40 Day Challenge's 0%. SkyCycle also leads on rating (5.0 vs 1.0) and ratings volume (56 vs 1). 40 Day Challenge's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SkyCycle holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: SkyCycle has 56 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of 40 Day Challenge's written reviews are positive against 100% of SkyCycle's.

UpkeepUpdate frequency

40 Day Challenge ships an update every 6 weeks, SkyCycle monthly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
40 Day Challenge versus SkyCycle: the parameters behind the verdict, then further details
Parameter40 Day ChallengeSkyCycle
PriceFreeFree
Rating1.0 (1 ratings)5.0 (56 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings156 — better
Update frequencyEvery 6 weeksMonthly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.4 — better14.0
Further details — not scored
Size25 MB47 MB
Age rating12+4+
DeveloperFITFIRM GmbHSkyCycle

Customer experience

40 Day Challenge

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SkyCycle

All ratings53 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

40 Day Challenge

No in-app purchases

None

SkyCycle

No in-app purchases

Questions

Is 40 Day Challenge free?
40 Day Challenge is free to download, with no in-app purchases.
Is SkyCycle free?
SkyCycle is free to download, with no in-app purchases.
Which has better reviews, 40 Day Challenge or SkyCycle?
SkyCycle is rated higher. 40 Day Challenge averages 1.0 out of 5 from 1 ratings, while SkyCycle averages 5.0 from 56 ratings.
Do 40 Day Challenge or SkyCycle have ads?
SkyCycle shows ads; 40 Day Challenge does not.
Which is updated more often, 40 Day Challenge or SkyCycle?
40 Day Challenge ships an update every 6 weeks, and SkyCycle monthly. Most recently, 40 Day Challenge was updated on October 6, 2026 and SkyCycle on October 24, 2026.

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