Writing on nutrition, adaptive planning, habit formation and community.https://www.cookrangeapp.com/en-UShttps://www.cookrangeapp.com/en/blog/whats-new-in-v0-9-6-gym-presence-squads-and-barcode-lookup/https://www.cookrangeapp.com/en/blog/whats-new-in-v0-9-6-gym-presence-squads-and-barcode-lookup/A changelog lists what changed. The three lines in v0.9.6 are really one problem wearing three faces: the exact moment a behavior quietly gets dropped. This is the why behind each one.Sat, 08 Aug 2026 00:00:00 GMTUpdatesv0.9.6gym presencestreak squadsbarcode lookupBurak Derelihttps://www.cookrangeapp.com/en/blog/data-privacy-in-nutrition-apps-what-to-check-for/https://www.cookrangeapp.com/en/blog/data-privacy-in-nutrition-apps-what-to-check-for/A nutrition app knows what you eat, how much you weigh, and sometimes exactly where you are. The real question isn't whether it knows — it's who else it tells. Five concrete questions settle that.Fri, 07 Aug 2026 00:00:00 GMTPrivacydata privacykvkkgdprsecurityBurak Derelihttps://www.cookrangeapp.com/en/blog/squad-or-solo-which-personality-type-fits-which/https://www.cookrangeapp.com/en/blog/squad-or-solo-which-personality-type-fits-which/Keeping a goal somewhere other people can see it is extra fuel for some people and extra pressure for others — the difference isn't discipline, it's where the motivation comes from.Thu, 06 Aug 2026 00:00:00 GMTCommunitysquadaccountabilityintrinsic motivationsolo trackingBurak Derelihttps://www.cookrangeapp.com/en/blog/body-recomposition-losing-fat-and-building-muscle-at-once/https://www.cookrangeapp.com/en/blog/body-recomposition-losing-fat-and-building-muscle-at-once/Recomposition means managing two moving variables — calories and protein — together as your weight changes, which is exactly the kind of goal a diet sheet calculated once and left alone struggles to handle.Wed, 05 Aug 2026 00:00:00 GMTNutritionbody recompositionmuscle gainfat lossproteinmacro trackingBurak Derelihttps://www.cookrangeapp.com/en/blog/breaking-the-weight-cycling-trap/https://www.cookrangeapp.com/en/blog/breaking-the-weight-cycling-trap/What keeps the weight-cycling pattern repeating usually isn't a broken metabolism — it's a rigid plan that forces an all-or-nothing choice the moment an ordinary week doesn't cooperate.Wed, 05 Aug 2026 00:00:00 GMTNutritionweight cyclingyo-yo dietingadaptive planningnutritionBurak Derelihttps://www.cookrangeapp.com/en/blog/gymtimidation-why-first-gym-visits-feel-scary/https://www.cookrangeapp.com/en/blog/gymtimidation-why-first-gym-visits-feel-scary/Nearly half of UK non-gym members say they feel uncomfortable at the mere thought of joining a gym. That's not a private quirk — it's a documented response, and the research on what helps points somewhere specific: not facing it alone.Wed, 05 Aug 2026 00:00:00 GMTGym Ecosystemgym anxietygymtimidationsquadsocial accountabilityBurak Derelihttps://www.cookrangeapp.com/en/blog/high-protein-meal-plan-for-satiety-and-muscle/https://www.cookrangeapp.com/en/blog/high-protein-meal-plan-for-satiety-and-muscle/Two people can both want 'more protein' for completely different reasons — staying full during a deficit, or keeping muscle through hard training. A fixed 7-day list can't tell those goals apart. A regenerable one can be built around either.Wed, 05 Aug 2026 00:00:00 GMTNutritionhigh proteinmeal plansatietymuscle retentionBurak Derelihttps://www.cookrangeapp.com/en/blog/why-solo-streaks-work-against-you/https://www.cookrangeapp.com/en/blog/why-solo-streaks-work-against-you/A streak counter has one job: count. It can't tell the difference between a day you needed off and a day you quietly gave up — and kept entirely solo, neither can anyone else.Wed, 05 Aug 2026 00:00:00 GMTCommunitystreaksstreak anxietyhabit formationsquadBurak Derelihttps://www.cookrangeapp.com/en/blog/why-weight-plateaus-happen-and-how-adaptive-planning-helps/https://www.cookrangeapp.com/en/blog/why-weight-plateaus-happen-and-how-adaptive-planning-helps/Losing weight for weeks on the same calorie target and then losing nothing on that same target isn't broken willpower — it's a well-documented metabolic response.Tue, 04 Aug 2026 00:00:00 GMTNutritionweight plateaumetabolic adaptationtdeeadaptive planningBurak Derelihttps://www.cookrangeapp.com/en/blog/how-tdee-is-calculated-and-why-it-shouldnt-stay-fixed/https://www.cookrangeapp.com/en/blog/how-tdee-is-calculated-and-why-it-shouldnt-stay-fixed/TDEE isn't one fixed number — it's a total that shifts with how you actually move each day. Calculate it once and forget it, and three weeks later you're living against the wrong target.Mon, 03 Aug 2026 00:00:00 GMTNutritiontdeecalorie calculationadaptive planningai coachBurak Derelihttps://www.cookrangeapp.com/en/blog/how-to-track-macros-and-who-actually-needs-to/https://www.cookrangeapp.com/en/blog/how-to-track-macros-and-who-actually-needs-to/Calories tell you how much you ate. Macros tell you what you ate. That difference changes the outcome, especially if you care about preserving muscle or performance.Mon, 03 Aug 2026 00:00:00 GMTNutritionmacro trackingproteinnutritionai coachBurak Derelihttps://www.cookrangeapp.com/en/blog/the-first-30-days-a-beginners-guide/https://www.cookrangeapp.com/en/blog/the-first-30-days-a-beginners-guide/The first week doesn't feel automatic — it feels like extra work. That's not a sign anything is broken; it's a sign the habit hasn't formed yet.Thu, 30 Jul 2026 00:00:00 GMTGetting Startedbeginnershabit formationmeal loggingsquadBurak Derelihttps://www.cookrangeapp.com/en/blog/what-to-look-for-in-a-nutrition-tracking-app/https://www.cookrangeapp.com/en/blog/what-to-look-for-in-a-nutrition-tracking-app/Brand recognition and interface polish don't predict whether you'll still be using an app in three months. These four criteria do.Mon, 27 Jul 2026 00:00:00 GMTComparisonsmyfitnesspal alternativecomparisondata portabilityevaluation criteriaBurak Derelihttps://www.cookrangeapp.com/en/blog/choosing-check-in-technology-for-gym-businesses/https://www.cookrangeapp.com/en/blog/choosing-check-in-technology-for-gym-businesses/Choosing a check-in system isn't just a hardware decision — cost, member data privacy, and loyalty features are all part of the same call. Here's a criteria-based comparison.Wed, 22 Jul 2026 00:00:00 GMTComparisonscheck-in systemgym technologybiometric datamember loyaltyBurak Derelihttps://www.cookrangeapp.com/en/blog/how-seeing-a-friend-at-the-gym-gets-you-moving/https://www.cookrangeapp.com/en/blog/how-seeing-a-friend-at-the-gym-gets-you-moving/A push notification carries no social information at all. Knowing a real, named friend is at the gym right now, a short walk away, changes the decision from 'maybe later' to 'I could go now.'Mon, 20 Jul 2026 00:00:00 GMTGym Ecosystemgymsocial proofmotivationcheck-inBurak Derelihttps://www.cookrangeapp.com/en/blog/progress-tracking-for-coaches-without-sharing-athlete-data/https://www.cookrangeapp.com/en/blog/progress-tracking-for-coaches-without-sharing-athlete-data/What a coach actually needs to see is whether an athlete's adherence has slipped over three weeks, not every meal they logged that week. Here's how that boundary works at the platform level.Wed, 15 Jul 2026 00:00:00 GMTCommunitycoachingprogress trackingdata privacyathlete managementBurak Derelihttps://www.cookrangeapp.com/en/blog/why-accountability-partners-make-streaks-stick/https://www.cookrangeapp.com/en/blog/why-accountability-partners-make-streaks-stick/A solo streak can quietly break and nobody notices. In a squad, you still keep your own streak — but a gap becomes visible to everyone else too, and that single difference changes whether the habit survives.Mon, 13 Jul 2026 00:00:00 GMTCommunityaccountabilityhabit formationstreakscommunityBurak Derelihttps://www.cookrangeapp.com/en/blog/the-logic-behind-90-day-weight-projections/https://www.cookrangeapp.com/en/blog/the-logic-behind-90-day-weight-projections/A 90-day projection doesn't say 'you'll be there.' It says 'if this trend continues, here's where it leads.' That's exactly why it's written as a projection, not a promise.Wed, 08 Jul 2026 00:00:00 GMTProgressprogress projectionweight trackingdata-driven goalsprogress analyticsBurak Derelihttps://www.cookrangeapp.com/en/blog/barcode-food-logging-database-quality/https://www.cookrangeapp.com/en/blog/barcode-food-logging-database-quality/Scan speed is the easy metric to market. What actually decides whether you keep logging is whether the database recognizes the specific products on your specific shelf.Mon, 06 Jul 2026 00:00:00 GMTFood Loggingbarcode scanningfood databaselocal datafood loggingBurak Derelihttps://www.cookrangeapp.com/en/blog/why-a-deleted-fitness-history-hurts-your-motivation/https://www.cookrangeapp.com/en/blog/why-a-deleted-fitness-history-hurts-your-motivation/Deleting a rough nine-day February doesn't make that month go well — it just makes it look like it never happened. An honest progress curve has to include the bad stretches too.Wed, 01 Jul 2026 00:00:00 GMTProgressprogress trackingmotivationself-monitoringbehavior changeBurak Derelihttps://www.cookrangeapp.com/en/blog/why-calorie-counting-alone-fails/https://www.cookrangeapp.com/en/blog/why-calorie-counting-alone-fails/A calorie target computed once at signup is already stale a few weeks later. Seeing calories burned on top of that target in real time, and regenerating the plan whenever you want, keeps that gap from staying hidden.Mon, 29 Jun 2026 00:00:00 GMTNutritioncalorie countingadaptive planningai coachnutritionBurak Derelihttps://www.cookrangeapp.com/en/blog/allergen-filtering-safety-in-meal-plans/https://www.cookrangeapp.com/en/blog/allergen-filtering-safety-in-meal-plans/An allergen kept out of a plan from the start isn't the same safety level as one flagged after it's already there. One removes the risk before it exists; the other depends on someone noticing a warning.Wed, 24 Jun 2026 00:00:00 GMTNutritionallergen filteringfood allergynutrition safetymeal planningBurak Derelihttps://www.cookrangeapp.com/en/blog/how-barcode-scanning-technology-actually-works/https://www.cookrangeapp.com/en/blog/how-barcode-scanning-technology-actually-works/Decoding a barcode is the fast, standardized part. Finding out which product that number actually belongs to is the hard part — and that difference is exactly why database coverage matters more than scan speed.Wed, 17 Jun 2026 00:00:00 GMTFood Loggingbarcode technologyimage processingdatabase matchingfood loggingBurak Derelihttps://www.cookrangeapp.com/en/blog/how-gym-occupancy-data-privacy-actually-works/https://www.cookrangeapp.com/en/blog/how-gym-occupancy-data-privacy-actually-works/A gym needs to know how many people are inside right now. It doesn't need to know anyone's weight. What actually protects that boundary isn't a promise — it's how the data is separated from the start.Wed, 10 Jun 2026 00:00:00 GMTPrivacyprivacydata minimizationgym ecosystemsecurity architectureBurak Derelihttps://www.cookrangeapp.com/en/blog/the-right-group-size-when-forming-a-squad/https://www.cookrangeapp.com/en/blog/the-right-group-size-when-forming-a-squad/In a group of two, one person leaving means nobody's left to answer to. In a group of forty, a missed day disappears into the crowd. The right size sits somewhere concrete in between.Wed, 03 Jun 2026 00:00:00 GMTCommunitysquadgroup sizeaccountabilitycommunityBurak Dereli