Comparison

Stellar Times Math Practice vs Galactic Merge Idle

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

Head to head
About

Stellar Times Math Practice

This app transforms math practice into an engaging space adventure for children. It features various game modes like battling bosses and racing against the clock to master multiplication, division, addition, and subtraction. The app offers adaptive difficulty and progress tracking to keep young learners motivated.

Highlights
  • Space adventure math practice
  • Boss battles and time attack modes
  • Daily practice with streaks
  • Customizable quizzes
  • Adaptive difficulty
  • Multi-player profiles
  • Mastery grids and achievement tracking
Features
Read full description

Stellar Times turns math practice into a space adventure. Kids master multiplication, division, addition, and subtraction by battling bosses, racing the clock, and building daily streaks - not by filling out worksheets. ADVENTURE MODE Blast through the galaxy with 3 lives. Answer correctly to keep flying. Bosses appear along the way - defeat them with math power to earn stars and XP. DAILY PRACTICE 10 questions a day using your last-played settings. Beat the daily boss on question 10, build your calendar streak, and earn speed bonuses for fast finishes. CUSTOM QUIZ Pick exactly which numbers and operations to practice. Focus mode pairs your chosen numbers with everything from 1-12. Turn on weak-fact bias to drill the ones you keep missing. BOSS BATTLE An endless gauntlet of 100 unique bosses. Each one hits harder and uses bigger numbers. How far can you get? TIME ATTACK 30, 60, 90, or 120 seconds on the clock. Answer as many as you can before time runs out. BUILT FOR FAMILIES Up to 4 player profiles so siblings can each track their own progress, streaks, and achievements. SMART PRACTICE - Adaptive difficulty adjusts to your child's level - Mastery grids show every fact learned and every fact missed - Near-miss answer choices target real mistakes, not random nuqqmbers - XP, ranks, and 20+ achievements keep kids coming back No ads. No subscriptions. One purchase unlocks everything forever. Free to play with Adventure, Daily Practice, and Custom Quiz. Upgrade to Stellar Plus to unlock Boss Battle, Time Attack, Hard and Crazy difficulty, mastery grids, and multi-profile support.

About

Galactic Merge Idle

Build an interstellar production empire by strategically merging ships and upgrading your galactic circuits. Earn coins as ships travel, then reinvest to unlock new lines, acquire more vessels, and evolve them into powerful income generators. Complete missions to unlock advanced circuits and scale your space economy.

Highlights
  • Incremental idle gameplay
  • Ship merging and evolution
  • Circuit upgrades for efficiency
  • Mission-based progression
  • Strategic expansion and optimization
  • Galactic production loop
Features
Read full description

Build the ultimate galactic production loop in this addictive space idle incremental! Ships move endlessly around your circuit, generating coins every time they cross income lines. Use your earnings to unlock new lines, buy more ships, and merge identical ships to evolve them into higher-tier vessels that generate exponentially more income. Complete missions to progress to the next level and unlock larger, more advanced circuits with more space, more lines, and greater earning potential. Upgrade your circuit to boost efficiency, optimize your layout, and scale your space economy to astronomical numbers. Strategic merging, smart expansion, and constant upgrades are the keys to building a powerful interstellar income machine. How far can you push your galactic empire?

Screenshots

Stellar Times Math Practice4 screens
Galactic Merge Idle4 screens

Verdict

The call

The clearest difference is review sentiment: Stellar Times Math Practice at 100% against Galactic Merge Idle's 7%. Stellar Times Math Practice also leads on rating (5.0 vs 4.3) and ads (none vs shown). Galactic Merge Idle's advantage is ratings volume (1.8K vs 1) and monetization model (ad-supported vs free with in-app purchases). On price, in-app purchases, 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. Stellar Times Math Practice sells 1 one-off in-app purchase and Galactic Merge Idle sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stellar Times Math Practice holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Galactic Merge Idle has 1.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Stellar Times Math Practice's written reviews are positive against 7% of Galactic Merge Idle's.

Scorecard5 real differences · 5 level
Stellar Times Math Practice versus Galactic Merge Idle: the parameters behind the verdict, then further details
ParameterStellar Times Math PracticeGalactic Merge Idle
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (1.8K ratings)
Positive reviews100.0% of reviews — better7.0% of reviews
Number of ratings11.8K — better
Update frequency—Every 4 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size40 MB426 MB
Age rating4+12+
DeveloperJonathan HickersonVoodoo

Customer experience

Stellar Times Math Practice

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Galactic Merge Idle

All ratings1,769 ratings
Positive81.3%
Neutral7.1%
Negative11.6%
Written reviews114 reviews
Positive7.0%
Neutral9.6%
Negative83.3%

In-app purchases

1 purchases

Stellar Times Math Practice

One-time1
  • Stellar Times Premium$3.99
6 purchases

Galactic Merge Idle

One-time6
  • Small pack of Gems$1.99
  • No Ads$4.99
  • Medium pack of Gems$5.99
Show 3 more
  • Big pack of Gems$14.99
  • Superior pack of Gems$24.99
  • Legendary pack of Gems$49.99

Questions

Is Stellar Times Math Practice free?
Stellar Times Math Practice is free to download, with in-app purchases available.
Is Galactic Merge Idle free?
Galactic Merge Idle is free to download, with in-app purchases available.
Which has better reviews, Stellar Times Math Practice or Galactic Merge Idle?
Stellar Times Math Practice is rated higher. Stellar Times Math Practice averages 5.0 out of 5 from 1 ratings, while Galactic Merge Idle averages 4.3 from 1.8K ratings.
Do Stellar Times Math Practice or Galactic Merge Idle have ads?
Galactic Merge Idle shows ads; Stellar Times Math Practice does not.

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