Comparison

Virtual Slime vs Sum It Up Now

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

Head to head
About

Virtual Slime

Experience the most realistic slime simulation with satisfying ASMR sounds. Create, customize, and play with a variety of slimes, unlock new colors and types by selling your creations, and gain followers by recording videos. It's a fun and relaxing way to de-stress.

Highlights
  • Realistic slime simulation
  • Satisfying ASMR sounds
  • Customizable slime shapes and decorations
  • Glow-in-the-dark and crunchy slime types
  • Virtual slime selling for coins
  • Record and share slime videos
  • Gift exchange with friends
Features
Read full description

The most realistic slime simulator! Works just like actual slime! Includes real recorded, satisfying, ASMR slime sounds! Great for stress relief and to relax! Play With Slimes - So realistic you'll think it's actual slime. - Play with your slimes in different shapes! Ball, Ring, Star, Heart, Flat! - 3D decorations that realistically move and rotate as with your slime. - Glow in the dark slimes! Clear slimes! Crunchy slimes! Fishbowl slimes! Make Slimes - Add as many decorations and decoration colors as you want! - Mix your slimes in either a bowl or a stand mixer. - Animated see through mixer with actual moving gears! - View your slime collection in jars with labels, or out of jars. Be A Virtual Slimer - Earn Coins By Selling Slime - Sell slime to earn coins that unlock new colors and slime types. - Make the slime and then send it to your customers. - Watch as your slime get packed into a jar and then a box, and sealed for shipment. Be A Virtual Slimer - Gain Followers By Recording Videos - Record videos of you playing with your slimes that you can play back at any time. - Become a Celebrity Slimer by gaining virtual followers by recording videos. Exchange Gifts - Share slime gifts with your friends. - Customize the gift wrap and ribbon.

About

Sum It Up Now

Features
Read full description

Sum It Up is a fast, minimalist mental math puzzle game. Add the blue numbers, subtract the red ones, and tap the correct sum before time runs out. Play quick 5-second rounds, train calmly in Zen Mode, and challenge your best score. How to Play: • Blue = Plus: Add the positive numbers. • Red = Minus: Subtract the red numbers. • Beat the Clock: Each round starts with 5 seconds. Every 10 rounds, the time limit gets shorter until it reaches 3 seconds. • Zen Mode: Practice without pressure. Key Features: • Minimalist design: Clean gameplay with no distractions. • High scores: Track your progress and beat your own records. • Haptic and audio feedback: Adjustable in settings. • No ads: Pure gameplay with no pop-ups or forced video ads. • Optional global leaderboards: Use Game Center to compare scores worldwide. By default, your scores stay local and private. Train your mental arithmetic, test your reaction speed, or play a quick brain teaser on the commute. Download Sum It Up and see how far you can go.

Screenshots

Virtual Slime4 screens
Sum It Up Now4 screens

Verdict

The call

The clearest difference is ads: Sum It Up Now at none against Virtual Slime's shown. Sum It Up Now also leads on update cadence (every 2 days vs every 2 weeks). Virtual Slime's advantage is iOS requirement (13.0 vs 18.6). On price, in-app purchases 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. Virtual Slime sells 10 one-off in-app purchases and Sum It Up Now sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Virtual Slime ships an update every 2 weeks, Sum It Up Now every 2 days. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Virtual Slime versus Sum It Up Now: the parameters behind the verdict, then further details
ParameterVirtual SlimeSum It Up Now
PriceFreeFree
Rating4.7 (120K ratings) — better—
Positive reviews86.9% of reviews—
Number of ratings120K — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size128 MB3 MB
Age rating4+4+
DeveloperCider Software LLCPeter Pannewitz

Bugs and requests

Virtual Slime

Reported bugs

3 issues
  • Slime decorations sometimes move away from fingers
  • Occasional loss of progress and saved slimes
  • Sound glitches or echoes during gameplay

Requested features

5 requests
  • Ability to mix and create custom slime colors/textures
  • Option to sell self-created slimes to customers
  • Faster coin earning or free mixer to increase productivity
  • Landscape mode support for tablet users
  • More decorative options and accessories for slimes

Sum It Up Now

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Virtual Slime

One-time10
  • Remove Ads$1.99
  • More Storage$1.99
  • Small Coin Bundle$1.99
Show 7 more
  • Mini Mixer$1.99
  • Standard Mixer$2.99
  • Clear Mixer$2.99
  • Medium Coin Bundle$3.99
  • Large Mixer$4.99
  • Large Coin Bundle$9.99
  • Unlock All$24.99
1 purchases

Sum It Up Now

One-time1
  • Support Tip$0.99

Questions

Is Virtual Slime free?
Virtual Slime is free to download, with in-app purchases available.
Is Sum It Up Now free?
Sum It Up Now is free to download, with in-app purchases available.
Do Virtual Slime or Sum It Up Now have ads?
Virtual Slime shows ads; Sum It Up Now does not.
Which is updated more often, Virtual Slime or Sum It Up Now?
Virtual Slime ships an update every 2 weeks, and Sum It Up Now every 2 days. Most recently, Virtual Slime was updated on September 28, 2026 and Sum It Up Now on September 21, 2026.

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