Comparison

Zero vs PACC

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

Head to head
About

Zero

This app helps you track intermittent fasting and nutrition to achieve body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.

Highlights
  • Intermittent fasting timers and streaks
  • Photo-based meal logging with macro analysis
  • Personalized daily protein targets
  • Water intake tracking
  • Habit tracking (movement, sleep, mood)
  • Progress visualization and trend analysis
  • Expert insights on fasting and nutrition
Features
Read full description

Zero is the all-in-one fasting tracker and nutrition app built for real results. Most fasting and weight loss apps stop at simply tracking fasts or calories. Zero connects the full picture — fasting, protein, meals, hydration, and habits — so you actually change your body composition, not just your eating schedule. Here’s how Zero helps you get there: • Track your intermittent fasting — Engage timers, streaks, and insights keep you stay motivated and consistent across your entire fasting journey. • Log meals the smart way — Skip the tedious manual meal entry routine. With Zero Plus, snap a photo and get instant macros, protein composition, and clarity on how effectively your meals support your goals. Your first meal logs are on us, so you can try it before you subscribe. • Hit your Protein Score — Zero Plus tracks a personalized daily protein target that adapts to your weight and goals. Better protein = better satiety, better muscle retention, better weight loss. Zero makes it automatic. • Complete the equation: Fasting + Protein — Most people fast or track meals. Zero brings them together so you lose weight, protect muscle, and avoid the pressure and guilt of traditional calorie trackers. • Stay hydrated to power your fasts — Water tracking with Zero Plus helps you maintain energy, reduce cravings, and support metabolic function throughout the day. • Build healthy habits that actually matter — Track movement, sleep, mood, and other daily pillars that reinforce your fasting and fueling routine. • Challenge yourself — Hit protein targets, maintain fasting streaks, and stay accountable with motivating challenges built around outcomes, not vanity metrics. • Learn the real science — Understand how fasting, protein, and hydration work together for sustainable weight loss and metabolic health — with insights from leading experts. • See measurable progress — Watch your streaks grow, your protein consistency rise, and your body composition improve with clean, insightful trend views. Whether you’re starting out or optimizing an existing routine, Zero gives you the structure, guidance, and clarity most apps miss. Zero is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult your doctor or qualified healthcare provider before making any changes to your diet, fasting routine, or health regimen. Zero is free to download, with fasting timers, streaks, weekly trends, expert articles, and challenges included. Zero Plus is an optional subscription that unlocks photo meal logging and your Protein Score, water tracking, custom fasts and saved presets, Fat-Burning Mode, the mood journal and daily habit insights, premium articles and Plus-only challenges, and monthly, yearly, and correlated charts. A free trial is available. Payment for Zero Plus will be charged to your Apple Account when you subscribe. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Manage your subscription in your Account Settings. Read more terms & conditions: Terms of use: https://www.zerolongevity.com/terms-of-use Privacy policy: https://www.zerolongevity.com/privacy-policy

About

PACC

Features
Read full description

Welcome to the PACC Mobile App! Discover the convenience of having the Piscataquis Area Community Center (PACC) in the palm of your hand. The PACC app is your all-in-one resource for managing memberships, exploring programs, and staying informed about everything happening at the community center. With the PACC Mobile App, you can: Find and Register for Programs: Browse our wide range of fitness classes, wellness programs, and special events, all tailored to our vibrant community. Access Schedules and Updates: View real-time schedules for the pool, gym, and other facilities. Stay updated on closures or special announcements. Manage Your Membership: Easily update your membership details, check your account, and renew when needed. Support Our Mission: Stay involved in fundraising campaigns, explore volunteer opportunities, and support community growth. The PACC Mobile App is designed with simplicity and accessibility in mind, making it easy to connect with the resources and activities that matter most to you. Why Choose the PACC Mobile App? Simplified registration for classes and programs. Quick access to schedules and updates, ensuring you’re always in the know. Personalized notifications for announcements and events. A seamless way to stay connected with your local community. The Piscataquis Area Community Center is committed to promoting wellness, recreation, and togetherness. Download the PACC Mobile App today and take the first step toward enhancing your community experience. Your community, your wellness, your PACC – now closer than ever!

Screenshots

Zero4 screens
PACC4 screens

Verdict

The call

The clearest difference is in-app purchases: PACC at none against Zero's 10. PACC also leads on iOS requirement (13.0.0 vs 17.0). Zero's advantage is update cadence (every 2 weeks vs every 18 months) and chart position (#111 vs unranked). On price, ads 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. Zero sells 8 in-app purchases, starting at $9.99 per month. PACC asks for nothing beyond the download.

UpkeepUpdate frequency

Zero ships an update every 2 weeks, PACC every 18 months. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 7 level
Zero versus PACC: the parameters behind the verdict, then further details
ParameterZeroPACC
PriceFreeFree
Rating4.8 (445K ratings) — better—
Positive reviews32.0% of reviews—
Number of ratings445K — better—
Update frequencyEvery 2 weeks — betterEvery 18 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#111 — better—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS17.013.0.0 — better
Further details — not scored
Size188 MB33 MB
Age rating17+4+
DeveloperZero Longevity Science, Inc.Piscataquis Area Community Center

Bugs and requests

Zero

Reported bugs

3 issues
  • Password reset problems
  • Inaccurate fasting time tracking
  • Inability to exit trial without subscribing

Requested features

6 requests
  • Custom fasting periods longer than 24 hours
  • Ability to edit fasting type and duration
  • Integration with more health/fitness apps
  • Water intake tracking
  • Personalized fasting recommendations
Show 1 more
  • Improved data visualization and analytics

PACC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Zero

Subscriptions8
  • Zero Plus Subscription7 Days trial$9.991 Month
  • Zero Plus Subscription$9.991 Month
  • Zero Plus Subscription7 Days trial2 variants$69.991 Year
Show 5 more
  • Zero Plus Subscription$69.991 Year
  • Zero Plus Subscription1 Year trial2 variants$69.991 Year
  • Zero Plus Subscription1 Month trial$69.991 Year
  • Zero Plus Subscription1 Month trial$89.991 Year
  • Zero Plus Subscription7 Days trial$89.991 Year
None

PACC

No in-app purchases

Questions

Is Zero free?
Zero is free to download, with in-app purchases available.
Is PACC free?
PACC is free to download, with no in-app purchases.
Do Zero or PACC have ads?
Neither Zero nor PACC shows ads.
Which is updated more often, Zero or PACC?
Zero ships an update every 2 weeks, and PACC every 18 months. Most recently, Zero was updated on November 8, 2026 and PACC on November 4, 2026.

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