Comparison

Apnea Trainer & Spearfishing vs Bet Stuff ▶▶ Odds Calculator

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

Head to head
About

Apnea Trainer & Spearfishing

This app offers a variety of breathing exercises to improve lung health, athletic performance, and freediving skills. It provides personalized training plans that adapt to your goals and progress, with options for CO2, O2, Square, and Rectangle tables.

Highlights
  • Personalized training plans
  • CO2 Tables
  • O2 Tables
  • Square Tables
  • Rectangle Tables
  • Workout history
  • Progress tracking
Features
Read full description

ABOUT THIS APP The Freedive & Apnea Training App allows you to perform a variety of breathing exercises from the comfort of your home. Whether you're looking to improve lung health, boost athletic performance, or enhance freediving skills, personalized plans are tailored to your goals and fitness level. FOR WHO Suitable for all levels, from beginners to experts in each of these categories: · Wellness Seekers: Enhance lung health and reduce stress with gentle breathing exercises. · Athletes: Boost stamina and lung capacity for better sports performance. · Surfers: Increase breath-hold times for safer surfing. · Recreational Freedivers: Improve underwater skills and endurance. · Spearfishers: Enhance underwater endurance and safety. · Competitive Freedivers: Achieve peak performance with advanced techniques. HOW IT WORKS Personalized training plans adapt to your fitness level, goals, and progress. Each day, receive a workout recommendation, ensuring continuous improvement by tracking performance and adjusting difficulty.  Otherwise, you can train on your own. All workouts are free and without limitations. WORKOUT TYPES Various workout types are available, each with unique benefits: · CO2 Tables: Improve tolerance to high carbon dioxide levels, enhancing breath-hold times. · O2 Tables: Boost oxygen efficiency, increasing endurance and stamina. · Square Tables: Promote steady breathing patterns and control. · Rectangle Tables: Focus on long breath-holds and recovery times. OTHER FEATURES · Book a Mentorship Session: Schedule a session with a freediving instructor to ask questions and resolve doubts. · Contextual Interfaces and Graphics: Master the basics and learn how to maximize body capabilities. · Workout History: Track all past workouts. · Progress Chart: Monitor breath-holding capacity evolution over time. Join +15,000 users and start your journey to better lung health and peak performance. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Bet Stuff ▶▶ Odds Calculator

This sports betting calculator simplifies payout calculations for single bets and parlays up to 15 legs. It supports multiple odds formats and offers a hedge calculator for balancing wagers. An optional premium mode removes ads and expands parlay capabilities.

Highlights
  • Calculate payouts for single bets and parlays
  • Supports American, Decimal, and Fractional odds
  • Displays Implied Probability
  • Recently Used Odds for quick re-adding
  • Customizable default wager size
  • Hedge Calculator for balancing bets
Features
Read full description

Bet Stuff is an easy to use Sports Betting calculator that makes calculating payouts a breeze! Quickly get payout and odds on single bets or parlays of up to 15 legs. Odds are displayed as American/Moneyline, Decimal, Fractional and Implied Probability. FEATURES: • Easy to use modern UI design. • Input odds in Decimal or American/Moneyline format. • Calculate Implied Probability for each Odds result. • Recently Used Odds makes re-adding bets 1 single tap! • Customizable default wager/unit size for quicker calculations. • Convert odds between American/Moneyline, Decimal, Fractional and Implied Probability! • Hedge Calculator calculates optimal hedge wagers to balance out bets. • Optional Premium mode expands Parlay amount and removes all ads forever. Comments and Feedback are welcome! Send them through the App's settings screen. Bet Stuff is NOT a betting application, betting advisor, ‘handicapper’ or any form of betting service / gambling service / wagering service. Bet Stuff serves one purpose: to help calculate odds and odds payouts with an easy to use interface, instead of using an actual calculator or spreadsheet. Bet Stuff is offered for general educational purposes only, and in no way intends to promote, recommend or encourage sports betting or gambling of any kind.

Screenshots

Apnea Trainer & Spearfishing4 screens
Bet Stuff ▶▶ Odds Calculator4 screens

Verdict

The call

The clearest difference is ads: Apnea Trainer & Spearfishing at none against Bet Stuff ▶▶ Odds Calculator's shown. Bet Stuff ▶▶ Odds Calculator's advantage is review sentiment (100% vs 84%) and iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and update cadence 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. Apnea Trainer & Spearfishing sells 8 in-app purchases, starting at $3.99 per 7 days and Bet Stuff ▶▶ Odds Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Apnea Trainer & Spearfishing against 4.9 for Bet Stuff ▶▶ Odds Calculator. Both are backed by a comparable volume of ratings — 116 and 118 respectively. Written reviews are what separate them: 84% of Apnea Trainer & Spearfishing's written reviews are positive against 100% of Bet Stuff ▶▶ Odds Calculator's.

UpkeepUpdate frequency

Apnea Trainer & Spearfishing ships an update every 3 weeks, Bet Stuff ▶▶ Odds Calculator every 5 weeks. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
Apnea Trainer & Spearfishing versus Bet Stuff ▶▶ Odds Calculator: the parameters behind the verdict, then further details
ParameterApnea Trainer & SpearfishingBet Stuff ▶▶ Odds Calculator
PriceFreeFree
Rating4.8 (116 ratings)4.9 (118 ratings) — better
Positive reviews84.4% of reviews100.0% of reviews — better
Number of ratings116118 — better
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size68 MB46 MB
Age rating4+17+
DeveloperFrancois FarquetToo Much Wasabi, LLC

Customer experience

Apnea Trainer & Spearfishing

All ratings116 ratings
Positive97.4%
Neutral1.7%
Negative0.9%
Written reviews32 reviews
Positive84.4%
Neutral0.0%
Negative15.6%

Bet Stuff ▶▶ Odds Calculator

All ratings118 ratings
Positive97.5%
Neutral1.7%
Negative0.8%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

8 purchases

Apnea Trainer & Spearfishing

Subscriptions6
  • Weekly7 Days trial$3.997 Days
  • Monthly2 variants$3.991 Month
  • Annual$8.991 Year
Show 3 more
  • Annual$12.991 Year
  • Annual7 Days trial$12.991 Year
  • Annual7 Days trial$19.991 Year
One-time2
  • Lifetime$29.99
  • Lifetime$44.99
1 purchases

Bet Stuff ▶▶ Odds Calculator

One-time1
  • Premium$4.99

Questions

Is Apnea Trainer & Spearfishing free?
Apnea Trainer & Spearfishing is free to download, with in-app purchases available.
Is Bet Stuff ▶▶ Odds Calculator free?
Bet Stuff ▶▶ Odds Calculator is free to download, with in-app purchases available.
Which has better reviews, Apnea Trainer & Spearfishing or Bet Stuff ▶▶ Odds Calculator?
Bet Stuff ▶▶ Odds Calculator is rated higher. Apnea Trainer & Spearfishing averages 4.8 out of 5 from 116 ratings, while Bet Stuff ▶▶ Odds Calculator averages 4.9 from 118 ratings.
Do Apnea Trainer & Spearfishing or Bet Stuff ▶▶ Odds Calculator have ads?
Bet Stuff ▶▶ Odds Calculator shows ads; Apnea Trainer & Spearfishing does not.
Which is updated more often, Apnea Trainer & Spearfishing or Bet Stuff ▶▶ Odds Calculator?
Apnea Trainer & Spearfishing ships an update every 3 weeks, and Bet Stuff ▶▶ Odds Calculator every 5 weeks. Most recently, Apnea Trainer & Spearfishing was updated on September 20, 2026 and Bet Stuff ▶▶ Odds Calculator on September 18, 2026.

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