Comparison

Hearts & Heal vs Stack by Stack!

Price, ratings, monetisation and update history for both games, side by side โ€” with what reviewers say about each.

Head to head
About

Hearts & Heal

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Grow Positivity with Your Mind in a Magical Adventure! Step into a whimsical world where your focus and calmness help bring light back to creatures who have lost their joy. Through gentle concentration, youโ€™ll spark glowing hearts and guide them toward happiness - transforming skeletons, zombies, and other playful characters back into their true selves. Each creature you help rewards you with Mind Gems, which you can use to restore their colorful villages and unlock new realms of positivity. Created for Emotivโ€™s next-generation focus-sensing wearables - the MN8 headset and upcoming MW20 wireless earbuds, this game transforms your real-time mental focus into in-game magic. The more you concentrate, the brighter your world becomes! With its cheerful visuals, soothing gameplay, and groundbreaking interactivity, this is more than a game โ€” itโ€™s a joyful journey into mindfulness and attention awareness. Note: An Emotiv MN8 or MW20 device is required to use this app. Visit www.emotiv.com for more details. Disclaimer: This app and the associated Emotiv devices are intended for wellness, focus training, and personal insight purposes only. They are not medical devices as defined under EU Directive 93/42/EEC or other medical regulations, and are not intended to diagnose or treat any disease or medical condition. Always consult a qualified healthcare professional for medical advice or concerns. Your privacy is our priority โ€” Emotiv employs robust data-security measures to protect your brain data and ensure that your information remains safe and confidential. *Learn more about MN8 โ€“ https://www.emotiv.com/products/mn8 *Privacy policy โ€“ https://id.emotivcloud.com/eoidc/privacy/privacy_policy/

About

Stack by Stack!

Features
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Stack by Stack is a clean, satisfying block puzzle where you place three pieces at a time and clear lines with rhythm. Plan ahead, build combos, and keep the board alive as the pace ramps up. Two ways to play: - Endless Mode: chase your best score with smart placement and big clears - Daily Puzzle: a fresh puzzle to solve each day Track your progress with score, lines cleared, combo streaks, and local stats.

Screenshots

Hearts & Heal4 screens
Stack by Stack!4 screens

Verdict

The call

The clearest difference is ads: Hearts & Heal at none against Stack by Stack!'s shown. Hearts & Heal also leads on iOS requirement (13.0 vs 15.1). Stack by Stack!'s advantage is update cadence (every 4 days vs every 5 weeks). On price, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Hearts & Heal ships an update every 5 weeks, Stack by Stack! every 4 days. Both last shipped on October 25, 2026.

Scorecard3 real differences ยท 3 level
Hearts & Heal versus Stack by Stack!: the parameters behind the verdict, then further details
ParameterHearts & HealStack by Stack!
PriceFreeFree
Update frequencyEvery 5 weeksEvery 4 days โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 โ€” better15.1
Further details โ€” not scored
Size494 MB94 MB
Age rating17+4+
DeveloperEMOTIV Inc.ByeongUk Choi

In-app purchases

None

Hearts & Heal

No in-app purchases

None

Stack by Stack!

No in-app purchases

Questions

Is Hearts & Heal free?
Hearts & Heal is free to download, with no in-app purchases.
Is Stack by Stack! free?
Stack by Stack! is free to download, with no in-app purchases.
Do Hearts & Heal or Stack by Stack! have ads?
Stack by Stack! shows ads; Hearts & Heal does not.
Which is updated more often, Hearts & Heal or Stack by Stack!?
Hearts & Heal ships an update every 5 weeks, and Stack by Stack! every 4 days. Most recently, Hearts & Heal was updated on October 25, 2026 and Stack by Stack! on October 25, 2026.

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