Calorie Widget vs KaterZerro
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Calorie Widget
Read full descriptionHide full description
Track your nutrition at a glance. Calorie Widget brings your calorie data directly to your Home Screen and Lock Screen. No manual entry required, it reads your data directly from Apple Health. Key Features β’ Home & Lock Widgets: View your calories on your lock screen and home screen in multiple sizes. β’ Weekly Bar Charts: Visualise your daily intake for the current week. β’ Daily Insights: See your Today kcal, Average kcal, and Total kcal in one screen. β’ Apple Health Sync: Widgets stay updated automatically. Fast, simple, and private.
KaterZerro
Read full descriptionHide full description
You know your drinking habits. But do you know what theyβre doing to you? Find out with your own data. KaterZerro compares days with and without alcohol and shows you the difference in sleep, heart rate, and recovery using your Apple Health data. Everyone knows Dry January and Sober October. But this year could have more than two alcohol-free months. Start your own challenge anytime, or simply keep an eye on how much you drink. DRINK MORE MINDFULLY (free) β’ Log drinks in seconds with the app, Siri, or Shortcuts β’ Your usual drink? One tap and done. β’ A 7am-to-7am tracking day, because your night might not end at midnight β’ Explore your last 30 days by drink type, weekday, and more β’ Keep your progress in sight with the Home Screen widget β’ Live Activity to keep your drinking in view GO DEEPER WITH Β«PROΒ» When does that next drink start to make a difference? β’ Compare 0+, 2, 4, 6, 8, and 10+ drinks with your alcohol-free days β’ See the difference in sleep, heart rate, and recovery β’ Unlock long-term trends, seasonal patterns, and your full history β’ Choose a subscription or one-time purchase YOUR DRINKS. YOUR DATA. No account. No backend. No analytics. No ads. No gamification. No BAC estimates. No diagnosis. Your health data stays in Apple Health. Core analysis runs on your iPhone; optional AI-powered features may use Apple Intelligence on-device or through Private Cloud Compute. You can turn off Apple Intelligence completely in iOS Settings. TERMS OF USE (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Calorie Widget at none against KaterZerro's 2. KaterZerro's advantage is update cadence (every 5 days vs every 11 days) and iOS requirement (18.0 vs 26.2). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. KaterZerro sells 2 in-app purchases, starting at $2.99 per 3 months. Calorie Widget asks for nothing beyond the download.
Calorie Widget ships an update every 11 days, KaterZerro every 5 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.
| Parameter | Calorie Widget | KaterZerro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days | Every 5 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 26.2 | 18.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 21 MB |
| Age rating | 4+ | 17+ |
| Developer | Patrick James McGarrity | Dirk Lingstadt |
In-app purchases
Calorie Widget
No in-app purchases
KaterZerro
- PRO Abo fΓΌr 3 Monate$2.993 Months
- PRO Lebenslang$12.99









