Comparison

Step Fish vs ThirtyThirty

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

Head to head
About

Step Fish

Features
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Step Fish is a fun and engaging way to boost your daily step count. When you reach your daily goal, you’ll be rewarded with Fish Food - a virtual currency you can use to unlock unique creature packs. Each pack contains six different species and comes with a different Fish Food price. Available packs include the classic Fish Pack, the Tropical Fish Pack, the Whale Pack, the Dolphin Pack, the Jellyfish Pack, the Dinosaur Pack, and a Special Creatures Pack. You can also track your steps from the past week and stay motivated with a streak feature that grows as you consistently reach your daily goals. Personalize your aquarium by choosing your favorite fish, dragging them from your inventory into the tank, or releasing them back with ease. Whether you're walking for fun, fitness, or the thrill of collecting - Step Fish turns every step into progress.

About

ThirtyThirty

Features
Read full description

Stiff from sitting all day? ThirtyThirty helps you build a daily deep squat habit—one short session at a time. Use the simple deep squat timer and habit tracker to take on the 30/30 challenge: accumulate 30 minutes of practice each day for 30 days. Your 30 minutes do not have to happen all at once. Start the timer, squat at a comfortable depth, and let short sessions add up throughout the day. WHY PRACTICE THE DEEP SQUAT? Long stretches at a desk, in a car, or in front of a screen can leave your body feeling stiff. Deep squat practice offers a simple way to break up sitting and spend time working on comfortable hip and ankle mobility. HOW THE 30/30 CHALLENGE WORKS • Start a session with one tap • Accumulate 30 minutes across the day • See exactly how much time remains • Track every completed session • Keep your streak alive • Complete the 30-day challenge BUILT FOR REAL LIFE One minute while the coffee brews. A few minutes after work. Another short hold during a screen break. ThirtyThirty turns small pockets of time into a consistent daily practice—without adding another complicated workout to your day. FEATURES • One-tap deep squat timer • Automatic session logging • Daily goal and progress tracking • Streak and challenge overview • Weekly progress views • Clean, distraction-free design PRIVATE BY DESIGN ThirtyThirty does not collect your data. THIRTYTHIRTY PRO Unlock deeper progress tracking with: • Unlimited session history • Detailed progress analytics • Achievement badges • Long-term trends and statistics Choose monthly, yearly, or lifetime access through an in-app purchase. START YOUR 30/30 CHALLENGE Take the first minute. Build the first streak. See what 30 days of consistency can do. Use a comfortable depth, take breaks, and stop if you feel pain. If you have an injury or medical condition, consult a qualified healthcare professional before starting. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Step Fish4 screens
ThirtyThirty3 screens

Verdict

The call

The clearest difference is in-app purchases: Step Fish at none against ThirtyThirty's 3. Step Fish also leads on update cadence (every 6 days vs every 3 months). On price, ads, device support 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. ThirtyThirty sells 3 in-app purchases, starting at $1.99 per month. Step Fish asks for nothing beyond the download.

UpkeepUpdate frequency

Step Fish ships an update every 6 days, ThirtyThirty every 3 months. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 4 level
Step Fish versus ThirtyThirty: the parameters behind the verdict, then further details
ParameterStep FishThirtyThirty
PriceFreeFree
Update frequencyEvery 6 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size47 MB15 MB
Age rating4+4+
DeveloperTILL WANNERCENGIZ GURTUSGIL

In-app purchases

None

Step Fish

No in-app purchases

3 purchases

ThirtyThirty

Subscriptions2
  • Thirty Thirty Pro – Monthly$1.991 Month
  • Thirty Thirty Pro – Yearly$3.991 Year
One-time1
  • Lifetime Access$4.99

Questions

Is Step Fish free?
Step Fish is free to download, with no in-app purchases.
Is ThirtyThirty free?
ThirtyThirty is free to download, with in-app purchases available.
Do Step Fish or ThirtyThirty have ads?
Neither Step Fish nor ThirtyThirty shows ads.
Which is updated more often, Step Fish or ThirtyThirty?
Step Fish ships an update every 6 days, and ThirtyThirty every 3 months. Most recently, Step Fish was updated on September 15, 2026 and ThirtyThirty on September 24, 2026.

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