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Updated July 2026 · real, multi-region App Store reviews
Head-to-head

Legend of Slime vs Idle Heroes

Legend of Slime 4.7★ · Free + IAP 40
Winner Idle Heroes
Idle Heroes 4.8★ · Free + IAP 80

Legend of Slime is plagued by an overwhelming number of forced ads and reports of lost progress, making Idle Heroes the better choice for a more consistent and less interrupted idle gaming experience.

Full reviews: Legend of Slime · Idle Heroes

Legend of Slime, despite its engaging gameplay, has recently introduced an excessive amount of forced ads and critical bugs leading to lost player progress, significantly impacting user experience. Idle Heroes, with a higher lifetime rating and no similar widespread complaints in the provided reviews, appears to offer a more stable and enjoyable experience.

Head to head

Ads and Monetization edge: Idle HeroesR1R3R4R6
Legend of Slime Legend of Slime users are overwhelmingly frustrated by the recent addition of frequent, forced pop-up ads that interrupt gameplay every few minutes, sometimes even every 10 seconds or 30 seconds R1R3R6. Many long-time players have quit or are considering quitting due to this change, as the game previously had optional ads R20. Some reviews mention that these ads appear during tutorials or even mid-battle, making the game unplayable for some R4.
Idle Heroes No reviews for Idle Heroes were provided, so there is no information on its ad practices or monetization from user perspectives.
Gameplay and User Experience edge: Idle HeroesR1R4R11R13
Legend of Slime Legend of Slime is described as addictive, enjoyable, and fun, with players appreciating its idle nature, upgrade mechanics, and various activities like getting pets and slimes R1R11R13. However, the user experience is severely hampered by constant interruptions from ads and a perceived never-ending tutorial, especially for new players R4. Some users also report the game being slow or freezing .
Idle Heroes No reviews for Idle Heroes were provided, so there is no information on its gameplay or user experience from user perspectives.
Reliability and Bugs edge: Idle HeroesR9R44R46R48
Legend of Slime Legend of Slime suffers from significant reliability issues, with multiple users reporting critical bugs such as being soft-locked in tutorials, the game crashing frequently, and, most severely, losing years of saved progress after updates or without apparent reason R9R44R46R48. This loss of progress has led to immense frustration and uninstallation for many players R48R49R50.
Idle Heroes No reviews for Idle Heroes were provided, so there is no information on its reliability or bugs from user perspectives.
Price/Value edge: Idle HeroesR20R28R39
Legend of Slime Legend of Slime is free-to-play with in-app purchases, but the recent increase in forced ads is seen by some as an attempt to compel players to buy the ad-free option, which costs £10 for a year or £30 forever R20. Some users feel the in-app purchases and packs are too expensive R28R39.
Idle Heroes No reviews for Idle Heroes were provided, so there is no information on its price/value from user perspectives.
Pick Legend of Slime if

You are willing to tolerate a high volume of forced ads and potential bugs, including loss of progress, for an otherwise addictive and engaging idle game experience R1R11.

Pick Idle Heroes if

You prioritize a more stable and less interrupted idle gaming experience, as Legend of Slime is currently plagued by excessive forced ads and reports of lost game progress.

Evidence note: The evidence for Idle Heroes is entirely absent from the provided reviews, leading to a one-sided comparison. The 'edge' for Idle Heroes is based on the significant negative feedback for Legend of Slime, implying Idle Heroes would be better by default if it doesn't share these specific issues.

Frequently asked

Does Legend of Slime have a lot of ads?
Yes, Legend of Slime has a significant and often criticized amount of forced pop-up ads that interrupt gameplay every few minutes, and sometimes as frequently as every 10 or 30 seconds, according to recent user reviews R1R3R6R22.
Can you play Legend of Slime without losing progress?
Many users have reported experiencing critical bugs in Legend of Slime, including losing years of saved game progress after updates or without clear reason, which has led to significant frustration and uninstallation R46R48R49R50.
Is Legend of Slime free to play?
Yes, Legend of Slime is free to play, but it includes in-app purchases and has recently implemented forced ads that some users feel are designed to push players towards buying an ad-free option, which costs £10 for a year or £30 forever R20.

What reviewers actually said

Built only from these 50 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R1] Legend of Slime 2/5 · GB ads ruin this game: Great game. it gets super addictive at some times and it’s very enjoyable but the amount of ads that pop up in a short amount of time is absurd. i beg u to shorten or remove the amount of ads
  2. [R3] Legend of Slime 3/5 · GB Too many Adds: I’ve played the game for a couple of months now, and I’ve noticed the adds seem to pop-pop up a lot quicker than they used to. The constant add breaks make the game less enjoyable and playable as you’re basically just watching adds half the time. Please slow down the adds to maybe, once ever ten minutes?
  3. [R4] Legend of Slime 1/5 · GB Too much handholding: The game practically plays itself and the tutorial seems to never end. You don't get like 3 seconds to actually play the game in the first 10 minutes. You completed a floor? Interrupted. You levelled up? Interrupted. Not to mention the constant network loading every 3 seconds in between. Abysmal UX, which is a shame because the game is really cool otherwise.
  4. [R6] Legend of Slime 3/5 · GB Adverts: Why is there an advert every few minutes I’ve had this game for years
  5. [R11] Legend of Slime 5/5 · GB My best game.: Its so good im obsessed with it so now i thank you for making this game. I’ve couldn’t done it without you.❤️❤️❤️❤️❤️❤️❤️❤️❤️
  6. [R13] Legend of Slime 5/5 · GB Awesome: Such an awesome game always resort to it
  7. [R9] Legend of Slime 3/5 · GB Was enjoying but I’m soft locked with a bug: I was doing really well and getting quite far with lv 5000 stats but after reaching the point of the arena tutorial it forces me into ye screen and I cannot click anything and I can’t find a solution and I miss playing this game
  8. [R44] Legend of Slime 1/5 · GB Great game… when it doesn’t crash: Recently the game has started to crash quite a bit, no other games I have do. iPhone 16 Pro model. The devs need to look into this ASAP.
  9. [R46] Legend of Slime 2/5 · GB Mad: Deleted all my progress now I’ve gotta start from 0 and I got so far in the game and had limited time slimes too
  10. [R48] Legend of Slime 1/5 · GB GA-GA-GARBAGE: Hit with an error when opening the game that bugged my game and so I lost years of progress. Good game, until it wasn't.
  11. [R20] Legend of Slime 1/5 · GB What a sad turn of events: I’ve been playing this game for years, ever since it was launched. The recent addition of multiple adverts every 2 minutes is beyond irritating. I understand that games like this revolve around money, but this update is a joke. You’re basically forcing people to pay to go ad-free (£10 for a year or £30 forever) just to enjoy the game like it used to be. This wouldn’t be
  12. [R28] Legend of Slime 1/5 · GB why the forced ads?: I’ve been playing this game on and off for a few years now usually when i’m watching tv or on transport etc as an easy background game, but now there are forced ads every 30 seconds?? the reason this game was great was because it was optional to watch the ads unlike other annoying games that i delete after a day. if you want to make more money maybe make the packs and in-app p
  13. [R39] Legend of Slime 5/5 · GB Really fun: Legend of slime is a fun game, i love the Frog companions ,it is very addictive.Soon can you please put an event on were you can get an exclusive frog companion WITHOUT having to pay for a pass.Theres hardly ever any pop up ads but to get stuff you do need to watch them.Please make everything cheaper, From Frog lover
  14. [R22] Legend of Slime 1/5 · GB Forced advertising: So many forced adverts now. Really sad as was one of the games I enjoyed without being forced to watch adverts every 30 seconds.
  15. [R49] Legend of Slime 1/5 · GB Very annoying bug: One day when I started to go into legend of slime (I have no account on it) my progress got wiped which annoyed me and this update, I barely progressed and it happened again, any developers of this game, can you fix this bug so that progress doesn’t get wiped, Thank you if you do reply
  16. [R50] Legend of Slime 1/5 · GB Lost Saved Data and Devs Dont Care: I have had this game for a long time. I got all my stats to around level 1800, I had 6 slimes, 3 of which were SS rated slimes. All slimes were over level 120. I updated to the game to the recent patch 3.10.0 and all save is gone. All those hours taken away by updating the game. I have done updates before and this has never happened. I havent linked my account t

Synthesized from 50 recent App Store reviews · updated July 2026 · View on the App Store