Comparison

Penng vs Chum

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

Head to head
About

Penng

Features
Read full description

Penng.ai is your all-in-one solution to personalized health, fitness, and lifestyle management. Whether you're looking to lose weight, build muscle, or optimise your sleep, Penng creates a tailored daily plan specifically for you. What Penng Offers: Calorie & Macronutrient Tracking: Easily log meals, monitor macros, and stay within your daily targets. Sleep & Activity Tracking: Seamless integration with our proprietary Penng Band ensures your sleep and physical activities are accurately recorded and analyzed. Comprehensive Onboarding: Detailed, guided setup covering demographics, fitness goals, lifestyle habits, and personal motivations to precisely tailor your plan. Penng Band Integration: Enhance your tracking experience with our dedicated wearable, providing deeper insights and automated activity logging. Flexible Subscriptions: Access the app features with our subscription model or enjoy complimentary access through ownership of a Penng Band. Join many already benefiting from Penng’s sophisticated health solutions, designed to help you reach your goals smarter and faster. Subscriptions renew automatically unless cancelled through your Apple ID subscription settings. Terms of Use: https://www.penng.ai/membership/terms Privacy Policy: https://www.penng.ai/privacy

About

Chum

Features
Read full description

Chum is a PCOS-focused wellness and cycle tracking app, finally designed with PCOS in mind. If you’ve ever felt like other apps weren’t built for your body, your symptoms, or your cycle, Chum is here to change that. This is a space created for women navigating PCOS, helping you understand what’s actually going on in your body. Track your cycle, symptoms, mood, energy, and habits all in one place. Chum connects the dots between your lifestyle and your hormones, so you can make sense of irregular periods, cravings, fatigue, and everything in between. Whether you’re trying to understand your type of PCOS, manage your symptoms, or just feel more in control day to day, Chum gives you the tools to do it with clarity and confidence. With personalised insights, habit tracking, and supportive features, Chum helps you build routines that actually work for your body, not against it. This isn’t just another period tracker. This is your space to understand your hormones, your cycle, and your PCOS. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.chum-app.com/privacy-policy

Screenshots

Penng4 screens
Chum4 screens

Verdict

The call

The clearest difference is in-app purchases: Penng at none against Chum's 3. Penng also leads on update cadence (every 8 days vs every 3 weeks). Chum's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. Chum sells 3 in-app purchases, starting at $12.99 per month. Penng asks for nothing beyond the download.

UpkeepUpdate frequency

Penng ships an update every 8 days, Chum every 3 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 3 level
Penng versus Chum: the parameters behind the verdict, then further details
ParameterPenngChum
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size233 MB9 MB
Age rating4+12+
DeveloperMatthew FehrsenChum App Limited

In-app purchases

None

Penng

No in-app purchases

3 purchases

Chum

Subscriptions3
  • Chum Plus7 Days trial$12.991 Month
  • Chum Plus7 Days trial$30.993 Months
  • Chum Plus7 Days trial$105.991 Year

Questions

Is Penng free?
Penng is free to download, with no in-app purchases.
Is Chum free?
Chum is free to download, with in-app purchases available.
Do Penng or Chum have ads?
Neither Penng nor Chum shows ads.
Which is updated more often, Penng or Chum?
Penng ships an update every 8 days, and Chum every 3 weeks. Most recently, Penng was updated on October 7, 2026 and Chum on October 8, 2026.

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