Comparison

Addition Wiz Lite vs Nanzoo Clock

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

Head to head
About

Addition Wiz Lite

This app offers a fun and engaging way for children to practice addition math drills. It allows kids to improve their number-adding skills through timed challenges, performance tracking, and competitive leaderboards. Earn rewards and strive for top rankings to motivate learning.

Highlights
  • Fun addition drills
  • Timed challenges
  • Performance history tracking
  • Trophy and golden star rewards
  • Score and speed tracking
  • Global leaderboards
  • Country and world rankings
Features
Read full description

- Great way for kids to do math addition drills the fun way. Let them become very good at adding numbers, which is an important life skill. "Son, do the drills now. Show me some progress before you play the other games." - Challenge your kid to complete the sums in record time and come back later to check his performance history. - Select one or more addition levels and start the game! - Earn trophies and the rare golden star for record performance. - Keep track of your scores and speed. - Compete with friends, family members and the rest of the world! - Check out your country ranking and world ranking. Beat the current world record - Visit our support website for more info and a video demo: www.therocketstudio.com/addwizfree

About

Nanzoo Clock

This educational app teaches children aged 3-7 how to tell time using interactive clock activities. Users can select animal clocks and practice setting and reading time with adjustable difficulty levels.

Highlights
  • Interactive animal clocks
  • Set the time activity
  • Read the time activity
  • Adjustable difficulty levels
  • Parent gate for purchases
  • No ads or tracking
Read full description

Nanzoo Clock is a clock-learning app that helps children practice reading and setting the time in a fun way. Choose your favorite animal, and it becomes a clock. Children can learn step by step with the hour hand, minute hand, clock face, numbers, and voice guidance. Recommended for children around ages 3 to 7. Supports five languages • App text and time voice guidance are available in Japanese, English, Korean, Spanish, and Portuguese. • You can change the app display language from the settings screen. • It can be used at home or as a gentle way to experience another language. Start with your favorite animal! • Choose from a lion, frog, or rabbit. • The animal you choose appears as a clock. • Friendly animals make learning the clock feel fun and approachable. Practice with two activities! • “Set the Time” lets children adjust the clock to match the displayed time. • Move the minute hand by dragging it, or use the plus and minus buttons. • “Read the Time” lets children read the time shown by the clock hands. • Tap the time numbers or use the plus and minus buttons to change the answer. • Tap the solve button to check the answer. Step up with levels! • Easy mode is free to play. Practice with times that move in 5-minute steps. • Normal mode lets children practice more precisely with 1-minute steps. • Challenge mode hides the helper marks on the clock face for a more advanced exercise. • Normal and Challenge modes can be unlocked with a one-time in-app purchase. Designed for children and families • No ads. • No account registration. • No third-party tracking. • The purchase screen is placed behind a parental gate. • The in-app purchase is a one-time purchase that unlocks Normal and Challenge modes.

Screenshots

Addition Wiz Lite4 screens
Nanzoo Clock4 screens

Verdict

The call

The clearest difference is review sentiment: Nanzoo Clock at 100% against Addition Wiz Lite's 0%. Nanzoo Clock also leads on update cadence (every 10 days vs every 5 months) and iOS requirement (13.0 vs 15.0). Addition Wiz Lite's advantage is device support. On price, in-app purchases and monetization model 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. Addition Wiz Lite sells 1 one-off in-app purchase and Nanzoo Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Addition Wiz Lite ships an update every 5 months, Nanzoo Clock every 10 days. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
Addition Wiz Lite versus Nanzoo Clock: the parameters behind the verdict, then further details
ParameterAddition Wiz LiteNanzoo Clock
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 5 monthsEvery 10 days — better
AdsYes—
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — better—
Requires iOS15.013.0 — better
Further details — not scored
Size11 MB38 MB
Age rating4+4+
DeveloperThe Rocket StudioTakafumi Sasaki

Customer experience

Addition Wiz Lite

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Nanzoo Clock

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Addition Wiz Lite

One-time1
  • Addition Wiz 6 to 10 addition levels$1.99
1 purchases

Nanzoo Clock

One-time1
  • Level Unlock$0.99

Questions

Is Addition Wiz Lite free?
Addition Wiz Lite is free to download, with in-app purchases available.
Is Nanzoo Clock free?
Nanzoo Clock is free to download, with in-app purchases available.
Which is updated more often, Addition Wiz Lite or Nanzoo Clock?
Addition Wiz Lite ships an update every 5 months, and Nanzoo Clock every 10 days. Most recently, Addition Wiz Lite was updated on November 1, 2026 and Nanzoo Clock on November 1, 2026.

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