Comparison

Salufast vs Hello Inside

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

Head to head
About

Salufast

This app offers personalized fasting guidance based on your biorhythms and scientific research. It combines interval and therapeutic fasting methods to promote health benefits like metabolic regulation and improved sleep. Receive tailored meal timing recommendations for your unique rhythm.

Highlights
  • Personalized interval fasting times
  • Heilfasten (therapeutic fasting) program
  • Biorhythm-based meal timing
  • Scientific insights into fasting benefits
  • Chronobiology integration
  • Autophagy tracking
  • Salu-Score
Features
Read full description

Salufast - die Fasten App von Prof. Andreas Michalsen Salufast bringt Jahrzehnte klinischer und wissenschaftlicher Fastenexpertise in Deinen Alltag. Kombiniere Intervallfasten, Heilfasten und neueste Erkenntnisse aus der Naturheilkunde sowie der Chronobiologie in der Salufast App. Nutze die cleveren Funktionen für Deine persönlichen Ziele. Durch Fasten werden nachweislich zahlreiche gesundheitsfördernde Effekte hervorgerufen, unter anderem: - Aktivierung von Schutz- und Regenerationsvorgängen im Körper - Regulierung des Stoffwechsels - Verbesserung der Schlafqualität - Vorbeugung und Linderung von Krankheiten - angenehmer Nebeneffekt: Gewichtsregulation Die App wurde auf Grundlage wissenschaftlicher Erkenntnisse konzipiert und bietet Dir eine konkrete Empfehlung für Dein ideale Intervallfasten-Zeit, viel mehr als ein einfacher Timer. Wir betrachten mehrere Faktoren wie Deinen individuellen Biorhythmus und den täglichen Sonnenstand, um Dir eine persönlich zugeschnittene Empfehlung für Essens- und Fastenzeiten auszusprechen. Keine In-App-Käufe und vor allem keine Lösung von der Stange: Ob Lerche oder Eule, ob Frühaufsteher oder Morgenmuffel, erhalte optimale Essenszeit für Deinen eigenen Rhythmus! Alle Intervallfasten-Funktionen der App sind völlig kostenlos und selbstverständlich werbefrei. In Zusammenarbeit mit führenden Experten aus den Bereichen Ernährungsmedizin, Ayurveda und Naturheilkunde wird die Salufast App stetig weiterentwickelt. Freue Dich schon auf die Möglichkeit, deine täglichen Mahlzeiten festzuhalten, Deinen Grad an Autophagie zu bestimmen und auf Deinen ganz persönlichen Salu-Score! Prof. Andreas Michalsen ist Professor für klinische Naturheilkunde und einer der wichtigsten wissenschaftlichen Vertreter für Naturheilkunde, Ernährungs- und Fastenmedizin weltweit. Zwei seiner Bücher sind Spiegelbestseller (Heilen mit der Kraft der Natur, Ernährungsmedizin). Prof. Dr. med. Andreas Michalsen ist Mitbegründer von Salufast und maßgeblich an der Produktentwicklung beteiligt. Zu seinen Fachgebieten gehören u.a. Fasten- und Ernährungsmedizin, Physikalische Medizin und Balneologie, Akupunktur und Mind-Body Medizin. Du möchtest das meiste für Deinen Körper herausholen? Mit Heilfasten kann man nachweislich Stammzellen erneuern, zelleigene Regeneration fördern, das Herz-Kreislauf-System verbessern sowie Blutfett- & Blutzuckerwerte verbessern. Gönne Deinem Körper eine 5-tägige Auszeit mit unserem Heilfasten-Programm mit Box und spüre die Tiefenreinigung Deines Körpers. Individuell, qualifiziert und erstmalig aus einer Hand: Nutze alle Vorteile von Intervallfasten und Heilfasten in Deinem persönlichen Alltag. In Verbindung mit unserem Heilfasten-Programm bietet Dir die App weitere Vorteile: - optimale Begleitung für effektives und sicheres Heilfasten - wissenswerte Artikel zum Fasten oder gesunder Ernährung- und Lebensweise - fundierte Informationen zu den biologischen Anpassungen Deines Körpers - hilfreiche Tipps - passend zu Deinem aktuellen Fastentag und für die Zeit danach - auf das Fasten abgestimmte Aufgaben für bestmögliche Effekte - Übersicht Deiner Fortschritte mit interaktiven Darstellungen - optimale Vorbereitung und Nachbetreuung für eine langfristige und nachhaltige Fastenwirkung Weitere Informationen zu unserem Heilfasten-Programm findest Du auf unserer Webseite: www.salufast.com

About

Hello Inside

This app offers a holistic approach to women's metabolism and well-being, utilizing continuous glucose monitoring (CGM) to provide insights into hormonal imbalances. It helps manage symptoms related to PMS, menopause, and other hormone disorders through personalized recommendations and educational programs.

Highlights
  • Continuous glucose monitoring (CGM) integration
  • Insights into female metabolism and hormonal imbalances
  • Personalized recommendations for PMS and menopause
  • Blood sugar monitoring and stabilization
  • Educational programs on hormones and menopause
  • Activity and journaling for tracking habits
Features
Read full description

The first holistic coaching solution for your metabolism and well-being! Navigate menopause with ease, alleviate PMS symptoms, or reach your health goals using continuous glucose monitoring (CGM). WE TAKE WOMEN’S HEALTH TO THE NEXT LEVEL Gain access to blood sugar data through our continuous glucose monitoring (CGM) and get insights into the female metabolism through the app. We analyze your glucose data and provide valuable insights and recommendations on hormonal imbalances related to PMS, menstrual pain, menopause, and other hormone disorders. METABOLIC HEALTH & GLUCOSE TRACKING Intelligent self-care starts with blood sugar monitoring. Your blood sugar is an important indicator of your health. By improving your diet and habits, you can stabilize your blood sugar levels, improve your energy levels, enhance your concentration, reduce cravings, control your weight, and prevent long-term illnesses. PROMOTING WOMEN’S HEALTH Specifically designed for women, “Hello Inside” understands the unique challenges that can occur during different phases of a woman’s life. Gain a deeper body awareness of your metabolism and learn to leverage hormones and blood sugar to your advantage. The health benefits of balanced blood sugar levels for women include reducing PMS and perimenopause symptoms such as period cramps, headaches, mood swings, bloating, and hot flashes. Our special learning programs “Hello Hormone,” “Hello Menopause,” “Hello Perimenopause,” and “Hello Sugar” await you with exciting content, recipes, and experiments. YOUR METABOLISM APP The Hello Inside app supports you on your journey to a healthier body with glucose tracking and great features including: * Initial Health Assessment and goal setting * Blood sugar programs with informative lessons and quiz questions * Recording activities (eating, sleeping, exercising, and stress) and journaling * Daily blood sugar statistics and weekly reports * Glucose experiments * Personal blood sugar reactions and expert recommendations for stabilizing your blood sugar * Programs created by experts on menopause and hormones By monitoring your blood sugar levels, you can understand how your body reacts to food, sleep, exercise, and stress. You will learn how your hormone balance affects your blood sugar and discover which foods are suitable for you. Improve your metabolism and well-being to reduce unpleasant symptoms, prevent diseases, and feel good every day. With your Hello Inside subscription and continuous glucose monitoring device (CGM), you can track how your habits and diet affect you. FROM NOW ON, NO ONE KNOWS YOUR BODY BETTER THAN YOU! Disclaimer: Your health is very important to us. ALWAYS consult your doctor about your self-care behavior. Hello Inside neither substitutes your doctor, nor is Hello Inside responsible for your behavior. The contents of the Hello Inside products, regardless of whether they are provided by Hello Inside, its partners or users, are not meant to supplement, let alone replace, the information provided by doctors or pharmacies. Terms & Conditions: https://helloinside.com/policies/terms-of-service Privacy Policy: https://helloinside.com/policies/privacy-policy

Screenshots

Salufast4 screens
Hello Inside4 screens

Verdict

The call

The clearest difference is review sentiment: Hello Inside at 63% against Salufast's 0%. Hello Inside also leads on rating (5.0 vs 2.3) and update cadence (every 4 days vs every 6 weeks). Salufast's advantage is in-app purchases (none vs 2) and ratings volume (3 vs 1). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hello Inside sells 2 in-app purchases, starting at $34.99 per month. Salufast asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hello Inside holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of Salufast's written reviews are positive against 63% of Hello Inside's.

UpkeepUpdate frequency

Salufast ships an update every 6 weeks, Hello Inside every 4 days. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

Scorecard7 real differences · 3 level
Salufast versus Hello Inside: the parameters behind the verdict, then further details
ParameterSalufastHello Inside
PriceFreeFree
Rating2.3 (3 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews62.5% of reviews — better
Number of ratings3 — better1
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size60 MB154 MB
Age rating4+4+
DeveloperSalufast GmbHHello Inside

Customer experience

Salufast

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Hello Inside

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

In-app purchases

None

Salufast

No in-app purchases

2 purchases

Hello Inside

Subscriptions2
  • App Only Monthly Subscription$34.991 Month
  • App Only Yearly Subscription7 Days trial$174.991 Year

Questions

Is Salufast free?
Salufast is free to download, with no in-app purchases.
Is Hello Inside free?
Hello Inside is free to download, with in-app purchases available.
Which has better reviews, Salufast or Hello Inside?
Hello Inside is rated higher. Salufast averages 2.3 out of 5 from 3 ratings, while Hello Inside averages 5.0 from 1 ratings.
Do Salufast or Hello Inside have ads?
Neither Salufast nor Hello Inside shows ads.
Which is updated more often, Salufast or Hello Inside?
Salufast ships an update every 6 weeks, and Hello Inside every 4 days. Most recently, Salufast was updated on September 28, 2026 and Hello Inside on October 1, 2026.

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