Comparison

Second Nature vs MutLab

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

Head to head
About

Second Nature

This app uses behavioral science to help you build healthy habits for long-term weight loss. It tracks sleep, exercise, and emotional regulation, offering personalized advice from a nutritionist and a library of recipes and educational articles.

Highlights
  • Behavioral science approach
  • Personalized nutritionist support
  • Holistic habit tracking (sleep, exercise, emotions)
  • Healthy recipe library
  • Daily educational articles
  • Apple HealthKit integration
Features
Read full description

Second Nature exists to change minds about losing weight. Our app uses behavioural science to retrain your mind to make healthy choices automatically, so these stick in the long run. But we don’t just look at what you’re eating and how much you weigh. We also look at your sleep patterns, exercise levels, how you regulate emotions, and other habits that impact the way you might be feeling. We also pair you with a registered nutritionist who provides one-to-one advice and supports you to build new, healthier habits. Our app also has hundreds of simple, indulgent recipes as well as daily articles that explain the science of healthy living - so you feel empowered to make changes, rather than just being told what to do. Britain’s NHS recommends us because their own research suggests we’re twice as effective as other weight-loss programmes. 90% of Trustpilot reviews rate us as ‘excellent’ because 9 out of 10 people lose weight and keep it off, even after 12 months. We want to make losing weight feel easier; to make it feel second nature. Download the app and sign up today to start your journey! Second Nature uses Apple HealthKit to integrate your phone's step data to help you set goals.

About

MutLab

Features
Read full description

L'application mobile Mutlab, créée pour vous et à destination de vos adhérents va leur offrir différents services : REMBOURSEMENTS SANTÉ - Faites vos demandes de remboursement, une photo et c’est envoyé. - Visualiser simplement l'avancement de vos demandes. - Consultez les détails de vos remboursements et ceux de vos bénéficiaires. DÉMARCHES - Consultez votre carte de tiers payant dématérialisée et partagez-la au format PDF, et bénéficiez du tiers payant même en cas d’oubli de votre « carte papier ». - Retrouvez l’historique de toutes vos demandes. - Recherchez facilement les professionnels de santé autour de chez vous. - Posez une question en 3 clics à notre Relation Client. - Prenez simplement un rendez-vous téléphonique ou en agence - Retrouvez tous les documents relatifs à vos contrats en cours. - Consulter une FAQ - Accéder aux réseaux de soins partenaires SERVICES - Accédez à l'ensemble des notices d'information des médicaments autorisés à la vente en France. - Organisez votre traitement grâce au pilulier intégré. Tous ces services santé sont proposés gratuitement. De nouveaux services viendront prochainement l’enrichir. N’hésitez pas à nous faire part de vos suggestions et remarques.

Screenshots

Second Nature4 screens
MutLab4 screens

Verdict

The call

The clearest difference is update cadence: Second Nature at every 2 days against MutLab's every 2 months. MutLab's advantage is iOS requirement (13.0 vs 16.4). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Second Nature ships an update every 2 days, MutLab every 2 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 8 level
Second Nature versus MutLab: the parameters behind the verdict, then further details
ParameterSecond NatureMutLab
PriceFreeFree
Rating4.3 (57 ratings) — better—
Positive reviews65.7% of reviews—
Number of ratings57 — better—
Update frequencyEvery 2 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.413.0 — better
Further details — not scored
Size218 MB60 MB
Age rating17+4+
DeveloperSecond Nature Health LtdMutlab

In-app purchases

None

Second Nature

No in-app purchases

None

MutLab

No in-app purchases

Questions

Is Second Nature free?
Second Nature is free to download, with no in-app purchases.
Is MutLab free?
MutLab is free to download, with no in-app purchases.
Do Second Nature or MutLab have ads?
Neither Second Nature nor MutLab shows ads.
Which is updated more often, Second Nature or MutLab?
Second Nature ships an update every 2 days, and MutLab every 2 months. Most recently, Second Nature was updated on September 24, 2026 and MutLab on September 21, 2026.

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