Comparison

Granny Boss vs Explosion! ROBOBOM

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

Head to head
About

Granny Boss

Transform abandoned areas into profitable businesses by cleaning streets, collecting resources, and building a hotel empire. This game offers a mix of idle and active gameplay for a satisfying progression.

Highlights
  • Clean and restore neighborhoods
  • Collect loot and resources
  • Build and upgrade hotel empire
  • Manage income and progression
  • Explore city streets
  • Idle and active gameplay mix
Features
Currently charting
Read full description

Step into the streets and take control of the most unexpected game! A fearless granny ready to clean up the neighborhood and turn it into a thriving empire. In Granny Boss, you’ll sweep trash, collect resources, and transform abandoned ruins into profitable buildings while expanding your influence across the city. What starts as a simple cleanup quickly becomes a strategic journey of upgrading, looting, and building your own money-making empire. CORE GAMEPLAY • Clean and restore the hood to unlock new areas • Collect loot and resources across the city • Build and upgrade a powerful hotel empire • Manage income and optimize your progression • Explore the streets and grab everything you need EMPIRE & PROGRESSION Turn small beginnings into a booming business: • Upgrade buildings to increase revenue • Unlock new features and expansion zones • Balance resource gathering and investments • Grow from street cleaner to city boss CASUAL & ADDICTIVE EXPERIENCE Designed for quick sessions with satisfying progression: • Simple controls, easy to pick up • Rewarding idle and active gameplay mix • Continuous upgrades and unlocks • Perfect for fans of tycoon, idle, and simulation games This isn’t your typical cozy game, it’s fast, bold, and packed with attitude. Build, loot, and dominate the streets as you restore the hood your way. Play now and start your empire.

About

Explosion! ROBOBOM

Blast away enemies in this explosive action game. Tap to move and unleash powerful attacks, charge up for even bigger blasts, and aim for a high score. Unlock upgrades to become stronger and defeat the boss.

Highlights
  • Tap to move and attack
  • Chargeable powerful blasts
  • Fever Time for max damage
  • Unlockable upgrades
  • High score challenges
  • Boss battles
Features
Read full description

This app is a game created by new graduates of NHN PlayArt during training held from April to August 2026. ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー The explosive action game "Explosion! ROBOBOM" is here! Blow off some steam — literally. ◆ TAKE DOWN THE BAD GUYS ◆ Your beat: outer space. Team up with Robobon of the Space Police and blast the Bad Guys who are digging up stolen Space Fragments! ◆ EASY TO PLAY ◆ Wipe out as many Bad Guys as you can before Robobom runs out of energy, and go for a high score! Just tap where you want to move to unleash an explosive attack! Press and hold to charge up an even more powerful blast! During Fever Time, every hit lands for max damage! Tap like crazy for your shot at a high score! ◆ TONS TO UNLOCK ◆ Use the rewards from completed missions and the Space Fragments you take back from the Bad Guys to grow stronger and stronger! Strong enough to take down their boss...!?

Screenshots

Granny Boss4 screens
Explosion! ROBOBOM4 screens

Verdict

The call

The clearest difference is review sentiment: Explosion! ROBOBOM at 100% against Granny Boss's 44%. Explosion! ROBOBOM also leads on in-app purchases (none vs 20) and update cadence (every 2 days vs every 3 weeks). Granny Boss's advantage is ratings volume (490 vs 1) and chart position (#160 vs unranked). On price, ads and device support 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. Granny Boss sells 16 one-off in-app purchases. Explosion! ROBOBOM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Explosion! ROBOBOM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Granny Boss has 490 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of Granny Boss's written reviews are positive against 100% of Explosion! ROBOBOM's.

UpkeepUpdate frequency

Granny Boss ships an update every 3 weeks, Explosion! ROBOBOM every 2 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard8 real differences · 3 level
Granny Boss versus Explosion! ROBOBOM: the parameters behind the verdict, then further details
ParameterGranny BossExplosion! ROBOBOM
PriceFreeFree
Rating4.7 (490 ratings)5.0 (1 ratings) — better
Positive reviews43.9% of reviews100.0% of reviews — better
Number of ratings490 — better1
Update frequencyEvery 3 weeksEvery 2 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#160 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size339 MB329 MB
Age rating9+9+
DeveloperKetchappNHN PlayArt 株式会社

Customer experience

Granny Boss

All ratings480 ratings
Positive94.6%
Neutral0.6%
Negative4.8%
Written reviews66 reviews
Positive43.9%
Neutral16.7%
Negative39.4%

Explosion! ROBOBOM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

16 purchases

Granny Boss

One-time16
  • Hard currency pack 1$0.99
  • Chain offer 12 variants$0.99
  • Chain offer 22 variants$1.99
Show 13 more
  • Monkey fetcher$3.99
  • Assistants boost$4.99
  • Regular No-ads$4.99
  • Premium dinosaur$4.99
  • Hard currency pack 02$4.99
  • Chain offer 32 variants$4.99
  • Advanced No-ads$7.99
  • Production boost$7.99
  • Premium No-ads$9.99
  • Hard currency pack 3$9.99
  • Chain offer 42 variants$9.99
  • Chapter 2 starter pack$14.99
  • Hard currency pack 05$49.99
None

Explosion! ROBOBOM

No in-app purchases

Questions

Is Granny Boss free?
Granny Boss is free to download, with in-app purchases available.
Is Explosion! ROBOBOM free?
Explosion! ROBOBOM is free to download, with no in-app purchases.
Which has better reviews, Granny Boss or Explosion! ROBOBOM?
Explosion! ROBOBOM is rated higher. Granny Boss averages 4.7 out of 5 from 490 ratings, while Explosion! ROBOBOM averages 5.0 from 1 ratings.
Do Granny Boss or Explosion! ROBOBOM have ads?
Both Granny Boss and Explosion! ROBOBOM show ads.
Which is updated more often, Granny Boss or Explosion! ROBOBOM?
Granny Boss ships an update every 3 weeks, and Explosion! ROBOBOM every 2 days. Most recently, Granny Boss was updated on October 24, 2026 and Explosion! ROBOBOM on October 10, 2026.

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