Comparison

Do it! vs Zeta Two

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

Head to head
About

Do it!

Features
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Do It! is not just another to-do list. It helps you stay accountable. Plan your tasks for the day, week, and month β€” and get smart reminders when you’re falling behind. No more ignoring your plans. No more unfinished days. KEY FEATURES β€’ Plan tasks by day, week, and month β€’ Smart reminders based on your progress β€’ Alerts when you're falling behind β€’ Encouragement when you complete everything β€’ Clean and simple interface HOW IT WORKS Set your tasks β†’ Track progress β†’ Get notified β†’ Stay consistent Whether you’re building habits, managing work, or just trying to stay organized β€” Do It! keeps you on track. Start doing, not just planning.

About

Zeta Two

Features
Read full description

Train your brain in 60 seconds a day. Zeta Two is a mental math trainer built for people who want to think faster β€” whether you're brushing up on times tables, prepping for a test, or just keeping your mind sharp on the subway. Four operations, four difficulties, two input modes, and a clean neubrutalist look that gets out of your way so you can focus on the numbers. HOW IT WORKS Pick a difficulty, pick a mode, and go. The clock starts, questions fly, and every correct answer stacks points. Miss too many in Standard mode and it's game over β€” go Free-flow if you'd rather just keep drilling. Your top 10 runs are saved locally, no account needed. FOUR OPERATIONS β€’ Addition β€’ Subtraction β€’ Multiplication β€’ Division Toggle any combination on or off. Train only what you need. FOUR DIFFICULTIES + CUSTOM β€’ Easy β€” perfect for beginners and young learners β€’ Medium β€” a balanced daily workout β€’ Hard β€” test your real speed β€’ Extreme β€” three-digit arithmetic for math masters β€’ Custom β€” dial in exact number ranges per operation TWO INPUT MODES β€’ Keyboard β€” type the answer with a big, tactile number pad β€’ Cards β€” pick from multiple choices (2, 4, 6, or 8 options) TWO GAME MODES β€’ Standard β€” 5 mistakes max, auto-submit on full answers. Focused and punishing. β€’ Free-flow β€” unlimited attempts, drill as long as the timer runs CONFIGURABLE ROUND LENGTH 60, 120, or 180 seconds β€” whatever fits the gap in your day. DETAILED STATS AFTER EVERY GAME β€’ Score and accuracy β€’ Questions per minute β€’ Average time per question β€’ Per-operation breakdown so you can see which drills to prioritize next LOCAL HIGH SCORES Your top 10 runs are stored on-device with difficulty, accuracy, and date. No accounts. No cloud. No tracking leaderboards. WHO IT'S FOR β€’ Students prepping for timed math tests β€’ Parents helping kids build fluency with times tables β€’ Professionals who live in spreadsheets and want to stay sharp β€’ Anyone who likes the satisfaction of numbers clicking into place DESIGNED FOR FOCUS Bold colors, chunky buttons, zero clutter. The UI stays out of your head so the numbers can stay in it. Works great on iPhone in portrait β€” pull it out, play a round, put it away. OFFLINE-FIRST Zeta Two runs fully offline. No login. No data collection beyond what's needed to show ads. Download Zeta Two and see how many you can solve before the buzzer.

Screenshots

Do it!4 screens
Zeta Two4 screens

Verdict

The call

The clearest difference is update cadence: Do it! at every 3 days against Zeta Two's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Do it! ships an update every 3 days, Zeta Two monthly. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

Scorecard1 real difference Β· 5 level
Do it! versus Zeta Two: the parameters behind the verdict, then further details
ParameterDo it!Zeta Two
PriceFreeFree
Update frequencyEvery 3 days β€” betterMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 β€” better17.0
Further details β€” not scored
Size36 MB5 MB
Age rating4+4+
DeveloperVolodymyr KhomaJEREMY OLUOCH MBARARIA

In-app purchases

None

Do it!

No in-app purchases

None

Zeta Two

No in-app purchases

Questions

Is Do it! free?
Do it! is free to download, with no in-app purchases.
Is Zeta Two free?
Zeta Two is free to download, with no in-app purchases.
Do Do it! or Zeta Two have ads?
Neither Do it! nor Zeta Two shows ads.
Which is updated more often, Do it! or Zeta Two?
Do it! ships an update every 3 days, and Zeta Two monthly. Most recently, Do it! was updated on October 20, 2026 and Zeta Two on October 6, 2026.

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