Comparison

Let's Laugh Laughter Exercises vs O2CO2

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

Head to head
About

Let's Laugh Laughter Exercises

Engage in guided laughter yoga sessions to reduce stress, boost energy, and improve mood. This app offers easy-to-follow exercises suitable for all ages, allowing you to create personalized playlists for daily practice.

Highlights
  • Laughter yoga exercises
  • Mood and energy boosting
  • Personalized playlists
  • Practice anywhere
  • Suitable for all ages
  • Stress reduction
Features
Read full description

Give your spinning mind a break with these laughter yoga exercises. Laugh a little more each day and as often as you want! Let's Laugh boosts your energy, improves your mood and your health and increases your happiness with easy laughter yoga exercises you can practice anywhere ... or almost anywhere! So convenient and easy ... you will not want to do without! Create a playlist of your favorites, play randomly, in loop or just a single track. Easy to use and suitable for all. Give your laughter muscles a work-out! "Laughter is the switch that turns on the light and joy in our hearts" - Linda Leclerc

About

O2CO2

Features
Read full description

Take a moment to breathe with O2CO2. Follow visual guides, sound cues and instructions in English or French to practise at your own pace. START FOR FREE • Cardiac Coherence in Balance mode: inhale for 5 seconds / exhale for 5 seconds, with adjustable session duration. • Guided Breathing: 3 loops of 24 breaths, at Relax pace, with a male voice. • Sound, music and volume choices in the included exercises. • Share your results at the end of a Guided Breathing session. • Exercise guides and access to the Masterclass, free for everyone. EXPLORE MORE WITH PREMIUM Both Premium plans include the same features: • Six additional exercises: Box Breathing, Sleep Breathing, Strengthen, Breathing 1:2, Alternate Nostril Breathing and Bee Breathing. • Every Guided Breathing setting: 1–15 loops or continuous mode, 8–96 breaths per loop, three paces, and male or female voice. • Four Cardiac Coherence rhythms: Balance 5/5, Relaxing 4/6, Balance + 5.5/5.5 and Energizing 6/4. • Guided Breathing session history and charts of your breath-hold times. Choose an automatically renewing annual subscription or a one-time purchase for lifetime access. The applicable price is shown before confirmation in the App Store. Payment is charged to your Apple account after confirmation. The annual subscription renews automatically unless cancelled at least 24 hours before the current period ends. Manage or cancel it in your Apple account settings. Restore purchases from within the app. PRACTISE AT YOUR OWN PACE Read each exercise’s instructions before starting. Choose your sound settings and find them again the next time you open the app. No account registration or advertising. Settings and history are stored on your device, and you choose which results to share. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://o2co2-confidentialite.eliott-romain.chatgpt.site/

Screenshots

Let's Laugh Laughter Exercises4 screens
O2CO24 screens

Verdict

The call

The clearest difference is price: O2CO2 at Free against Let's Laugh Laughter Exercises's $1.99. O2CO2 also leads on update cadence (every 3 weeks vs every 2 months). Let's Laugh Laughter Exercises's advantage is in-app purchases (none vs 2) and chart position (#195 vs unranked). On 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

O2CO2 is free to download; Let's Laugh Laughter Exercises costs $1.99 up front. O2CO2 sells 2 in-app purchases, starting at $3.99 per year. Let's Laugh Laughter Exercises asks for nothing beyond the download.

UpkeepUpdate frequency

Let's Laugh Laughter Exercises ships an update every 2 months, O2CO2 every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 6 level
Let's Laugh Laughter Exercises versus O2CO2: the parameters behind the verdict, then further details
ParameterLet's Laugh Laughter ExercisesO2CO2
Price$1.99Free — better
Rating4.5 (8 ratings) — better—
Positive reviews78.9% of reviews—
Number of ratings8 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#195 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size40 MB353 MB
Age rating4+4+
DeveloperThe School of Laughter YogaELIOTT ROMAIN-SAVARD

In-app purchases

None

Let's Laugh Laughter Exercises

No in-app purchases

2 purchases

O2CO2

Subscriptions1
  • O2CO2 Premium Annual$3.991 Year
One-time1
  • O2CO2 Premium Lifetime$14.99

Questions

Is Let's Laugh Laughter Exercises free?
Let's Laugh Laughter Exercises costs $1.99, with no in-app purchases.
Is O2CO2 free?
O2CO2 is free to download, with in-app purchases available.
Do Let's Laugh Laughter Exercises or O2CO2 have ads?
Neither Let's Laugh Laughter Exercises nor O2CO2 shows ads.
Which is updated more often, Let's Laugh Laughter Exercises or O2CO2?
Let's Laugh Laughter Exercises ships an update every 2 months, and O2CO2 every 3 weeks. Most recently, Let's Laugh Laughter Exercises was updated on October 26, 2026 and O2CO2 on October 24, 2026.

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