OneCal Calorie Tracker vs Kcal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneCal Calorie Tracker
This app offers a straightforward approach to tracking daily calorie intake. It focuses on simplicity, allowing users to log their food and monitor their targets without complex calculations or features. The goal is to make calorie management quick and easy, freeing up users' time.
- Science-based calorie tracking
- No macro calculations
- No barcode scanning
- Fast and simple logging
- View calorie targets
- Focus on calories in, calories out
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OneCal is a science-based calorie tracker for people who don’t want to think about weight loss—they just want to do it. No macros to calculate, no barcode scanning, no friend feeds, no badges. Enter the calories that you eat, see your target, and move on. It’s calories in, calories out—fast to log, simple to follow—so you can spend less time in an app and more time living your life. This app provides general information only and is not medical advice. Consult a qualified healthcare professional before making changes to your diet or exercise. OneCal does not diagnose, treat, cure, or prevent any condition and disclaims liability for decisions made based on app data.
Kcal
Effortlessly track your calorie and macronutrient intake with a streamlined interface. Log meals quickly through various methods like scanning, searching, or AI estimation, and view your progress at a glance.
- Multiple logging methods (scan, search, photo, AI, text, manual)
- At-a-glance calorie and macro overview
- Fast meal logging
- Save favorite foods and recipes
- Privacy-focused, no account required
- No ads or tracking
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Kcal is a calorie and macro tracker stripped down to what actually matters. Log what you eat, see what's left, move on with your day. No endless menus, no feeds, no noise. SIX WAYS TO LOG Scan a barcode, search millions of foods, photograph a nutrition label and let Kcal read the numbers off the package, snap a photo and let AI estimate the macros, describe your meal in plain words, or enter it by hand. Whatever's fastest in the moment. EVERYTHING AT A GLANCE One clean screen shows your remaining calories and your protein, fat, and carbs against your goals. No digging, no tabs. BUILT FOR SPEED Compact meal cards, a live-updating ring, and instant search that filters as you type. Save your favorite foods and recipes, and re-log recent meals in a tap. NO SUBSCRIPTIONS, NO ADS Try Kcal free for 7 days. After that, unlock full access with a single one-time purchase — no recurring fees, ever. PRIVACY-FIRST No account required. No ads. No tracking. Your data stays on your device. Just a calorie tracker that gets out of your way.
Screenshots
Verdict
The clearest difference is in-app purchases: OneCal Calorie Tracker at none against Kcal's 1. OneCal Calorie Tracker also leads on update cadence (every 9 days vs every 3 weeks). Kcal's advantage is ads (none vs shown). On price, rating, ratings volume 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. Kcal sells 1 one-off in-app purchase. OneCal Calorie Tracker asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for OneCal Calorie Tracker against 5.0 for Kcal. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
OneCal Calorie Tracker ships an update every 9 days, Kcal every 3 weeks. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.
| Parameter | OneCal Calorie Tracker | Kcal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcus Spitzmiller | Zsombor Toth |
In-app purchases
OneCal Calorie Tracker
No in-app purchases
Kcal
- Full Access$0.99
