Microgram vs Kerno
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Microgram
This app helps you track over 50 nutrients, including macros, vitamins, and minerals, to achieve your health and fitness goals. Log meals easily through various methods like photos or voice commands. It offers personalized plans for weight management, muscle building, or overall well-being.
- Track 50+ nutrients
- Log meals via photo, voice, text, barcode
- Personalized fitness goals
- Focus on longevity and overall health
- Track macros, fiber, sugar, vitamins, minerals
- Support for pregnancy and lactation
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Meet Microgram - the next generation nutrient tracker. Track calories and over 50+ nutrients, including macros, fiber, vitamins, minerals, amino acids, omega-3/6, and more. Powered by reliable USDA-sourced data, Microgram makes it easy to log meals by snapping a photo, using voice commands, texting, barcode scanning, or searching manually. REACH YOUR UNIQUE GOALS Whether you want to lose weight, build muscle, gain weight, or maintain your current physique, Microgram personalizes your daily targets to help you get there efficiently. No fitness goal in mind? Microgram also helps you focus on longevity and overall health, supporting sleep, digestion, skin and hair, energy levels, inflammation, brain function, and more by ensuring you meet your essential nutrient needs. WHY TRACK MORE THAN JUST CALORIES? TRACK MACROS: Manage proteins, carbohydrates, and fats to reach weight goals, maintain energy levels, and build muscle. TRACK FIBER: Boost your digestive health and support balanced blood sugar levels and weight management by monitoring your daily fiber intake. TRACK SUGAR: Monitor your sugar intake to maintain steady energy, manage cravings, and support healthy weight management. TRACK VITAMINS & MINERALS: Invest in long-term health and achieve peak performance by preventing deficiencies and supporting vital functions like immune health, bone strength, and energy production. TRACK AMINO ACIDS: Promote muscle repair and growth by tracking essential amino acids in your diet. TRACK OMEGA-3 & 6: Reduce inflammation, maintain heart and brain health by balancing essential fatty acids. HOW IT WORKS 1. Enter your details for a personalized plan 2. Log your meals via photo, voice, text, barcode, or manual search* 3. Track over 50 nutrients to achieve fitness goals and optimize long-term health* PREGNANCY & LACTATION-FRIENDLY Microgram also supports pregnant and breastfeeding women with tailored nutrient targets designed for both mom and baby, including folate, choline, iron, calcium, omega-3, vitamin D, and other key nutrients critical for development and recovery. If you have any questions or feature requests, please email us at team@microgramapp.com. *A subscription is required for certain features. NOTE: We do not provide medical advice. Always consult a professional before making changes to your nutrition. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Kerno
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Kerno is the habit tracker that's on your side. No pressure, no punishment – just your progress. NEW IN 2.0: YOUR PERSONAL AI COACH Kerno spots your patterns: your strongest weekday, the time of day your habits work best, and which habit is on the rise. With Apple Intelligence you get a personal daily nudge with one concrete tip. Everything runs on your iPhone – your data never leaves your device. CREATE HABITS WITH AI Just type your goal, like “sleep better”. Kerno suggests three small, doable habits. One tap and you're set. CHECK OFF WITHOUT OPENING THE APP • Control Center, Lock Screen & Action button • Interactive widgets for Home and Lock Screen • Siri: “How is my day in Kerno?” • Focus filters: see only work habits in your Work focus PROGRESS THAT MOTIVATES • Streaks with rest days – one missed day doesn't ruin everything • Overachieving counts: did more? It gets celebrated. • Pause & vacation mode freezes your streak • Rest days, specific weekdays or intervals • Daily, weekly or monthly goals with amounts and units • Log retroactively, with notes and mood FOCUS TIMER Stay in the zone with Live Activity and Dynamic Island, linked directly to your habit. APPLE HEALTH Steps, exercise, mindfulness, water, distance, calories – and now sleep. Linked habits check themselves off automatically. STATS & ACHIEVEMENTS Year heatmap, calendar, success rates, badges and a weekly review you can share as an image. NEW DESIGN Liquid Glass, flowing gradients and delightful animations. Kerno feels like part of iOS. PRIVATE No account, no tracking, no ads. Your data stays on your device. Back up to a file anytime. KERNO PRO 3 habits are free forever. Kerno Pro unlocks unlimited habits, the AI coach & all insights, focus timer, Apple Health, CSV export, the weekly review and all future Pro features. Monthly, yearly or one-time purchase. The AI coach requires an iPhone with Apple Intelligence and iOS 26. Control Center controls require iOS 18. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://kerno.advema.de/datenschutz
Screenshots
Verdict
The clearest difference is update cadence: Microgram at every 2 weeks against Kerno'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. Microgram sells 10 in-app purchases, starting at $9.99 per month and Kerno sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Microgram ships an update every 2 weeks, Kerno every 2 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Microgram | Kerno |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.1K ratings) — better | — |
| Positive reviews | 64.9% of reviews | — |
| Number of ratings | 1.1K — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 207 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Lurra, LLC | ADVEMA |
Bugs and requests
Microgram
Reported bugs
2 issues- Inconsistent calorie and nutrient tracking
- Compatibility issues with older devices
Requested features
3 requests- Dark mode option
- More user-friendly food logging
- Better integration with other health apps
Kerno
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Microgram
- Microgram Monthly Access$9.991 Month
- Microgram Monthly Access$19.991 Month
- Microgram Yearly Access$23.901 Year
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- Microgram Yearly Access2 variants$35.901 Year
- Microgram Yearly Access$44.991 Year
- Microgram Yearly Access3 Days trial$47.901 Year
- Microgram Yearly Access3 Days trial$59.991 Year
- Microgram Yearly Access$59.991 Year
- Microgram Yearly Access$71.901 Year
- Microgram Yearly Access3 Days trial$71.901 Year
Kerno
- Kerno Pro – Monatlich$2.991 Month
- Kerno Pro – Jährlich$17.991 Year
- Kerno Pro – Lifetime$34.99









