Comparison

Symbol Series vs Drain Brain

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

Head to head
About

Symbol Series

Engage your mind with a unique puzzle game that challenges you to find hidden symbol series. Explore various search modes, adjust difficulty, and compete globally. Offers an endless supply of automatically generated puzzles for continuous play.

Highlights
  • Icon, word, number, and color search
  • Infinite automatically generated puzzles
  • Three difficulty levels
  • Optional timer for speed challenges
  • Global leaderboards and achievements
  • Offline high score tracking
Features
Read full description

Search and find all symbol series hidden in the puzzle field. You can choose between icon search, word search, number series search and color search. In this free search game, you can choose between three levels of difficulty. Search with or without a stopwatch and measure your best times with your friends and people from all over the world. All puzzles are automatically generated and offer endless possibilities. This popular game, which is often only available as a word search game, has been completely reinterpreted. Train your concentration or relax during a short round and find all symbol series in the puzzle. Features: * You can search for words, numbers, icons or colors * Infinite puzzles * Leaderboards and Achievements * 3 levels of difficulty * On/Off Timer * Offline high score * Full HD resolution * Relaxing music * Animated background Difficulty levels * Simple: Search right + down * Medium: search right + down + backwards * Difficult: Search in all directions with change of direction * You can unlock the free app and play without advertising and with unlimited hints. Privacy policy - https://asgardsoft.com/?page=impressum#PrivacyPolicy Terms of use - https://asgardsoft.com/?page=impressum#TermsOfUse Product Page - https://asgardsoft.com/?id=g25

About

Drain Brain

A retro-styled puzzle game where players connect pipes on a grid to create a path for flowing liquid. Score points by filling pipes and race against the clock to fix dead ends before the flow stops. Features include various pipe types, a smart queue, and bombs to correct mistakes.

Highlights
  • Pipe connection puzzles
  • Retro LCD handheld style
  • Progressive difficulty
  • Smart queue system
  • Game Center leaderboards
  • Original soundtrack
Features
Read full description

Connect pipes before the flow catches up in Drain Brain, a retro-styled puzzle game inspired by classic LCD handhelds! Place pipes on a grid to create a path from start to goal. Once the countdown ends, liquid begins flowing through your creation. Every pipe it fills scores points, but if the flow hits a dead end, you've got seconds to fix it or it's game over! Features: • 7 pipe types including cross pipes that can score twice! • Smart queue system with 5 upcoming pieces! • 3 bombs per level to fix mistakes! • Progressive difficulty that speeds up as you advance! • Game Center leaderboards and achievements! • Original soundtrack by Nobonoko! • Themes, and more! Easy to learn. Hard to master. Each level pushes you faster. How far can you go?!?!?!

Screenshots

Symbol Series4 screens
Drain Brain3 screens

Verdict

The call

Symbol Series and Drain Brain both sit at 5.0 stars, but that hides the real split: 100% of Drain Brain's written reviews are positive against 50% of Symbol Series's. Drain Brain also leads on in-app purchases (none vs 1) and ads (none vs shown). Symbol Series's advantage is iOS requirement (15.0 vs 26.0). On price, rating, ratings volume 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. Symbol Series sells 1 one-off in-app purchase. Drain Brain asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Symbol Series against 5.0 for Drain Brain. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews are what separate them: 50% of Symbol Series's written reviews are positive against 100% of Drain Brain's.

UpkeepUpdate frequency

Symbol Series ships an update every 3 months, Drain Brain daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
Symbol Series versus Drain Brain: the parameters behind the verdict, then further details
ParameterSymbol SeriesDrain Brain
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings24 — better
Update frequencyEvery 3 monthsDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size10 MB14 MB
Age rating4+4+
DeveloperAsgardSoft GmbHSymbolic Software

Customer experience

Symbol Series

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Drain Brain

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

In-app purchases

1 purchases

Symbol Series

One-time1
  • Premium$2.99
None

Drain Brain

No in-app purchases

Questions

Is Symbol Series free?
Symbol Series is free to download, with in-app purchases available.
Is Drain Brain free?
Drain Brain is free to download, with no in-app purchases.
Which has better reviews, Symbol Series or Drain Brain?
Symbol Series and Drain Brain are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do Symbol Series or Drain Brain have ads?
Symbol Series shows ads; Drain Brain does not.
Which is updated more often, Symbol Series or Drain Brain?
Symbol Series ships an update every 3 months, and Drain Brain daily. Most recently, Symbol Series was updated on October 24, 2026 and Drain Brain on October 25, 2026.

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