Comparison

Sum Fun vs Antidote Lab Assistant

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

Head to head
About

Sum Fun

A unique number puzzle game that combines logic, numbers, and strategy. Enjoy endlessly replayable puzzles with creative board shapes and a brain-boosting gameplay experience. Play at your own pace with no time limits and challenge friends.

Highlights
  • Unique number puzzle gameplay
  • Variety of creative board shapes
  • Brain-boosting mental workout
  • No time limits for relaxed play
  • Challenge friends offline
  • Easy to play, fun to master
Features
Read full description

Sum Fun – The Number Puzzle Game for Sharp Minds Place numbers, match sums, blast the board! Sum Fun is the unique number puzzle that's been loved by players worldwide since 2015. How To Play (3 simple rules): 1. Place a number into any empty slot 2. If it matches the last digit of the sum of its neighbours, they get blasted away! 3. No matches? Place a number that sets up a future sum, and keep blasting until the board is empty! Why you'll love Sum Fun: • Easy to play, fun to master – just 3 simple rules, with surprising depth and strategy • 20+ creative board shapes – play on a Hexagon, Pyramid, Star, Heart, Turtle, Rocket, Butterfly, Snowflake, and many more, with new shapes added regularly! • Seasonal Postcard Challenges – play limited-time events and collect unique downloadable artwork (by real artists!) • No time limits – play at your own pace and relax while keeping your mind sharp • Challenge friends (and yourself!) – share puzzles via QR code, text code, or pass-and-play. No internet needed! • No annoying pop-up ads – your concentration stays on the puzzle, where it belongs! We play Sum Fun too, and keep the experience friendly. • Brain-boosting gameplay – after a few games, you'll be adding up numbers faster than you can say, 'What's six plus eight?' • Multiple themes – choose from Light, Dark, and Midnight to suit your style If you enjoy Sudoku, Kakuro, or other number-based brain games, you'll love the unique twist of Sum Fun. Exercise your mind, master the numbers, and discover why players keep coming back – download free today!

About

Antidote Lab Assistant

This companion app helps players track formulas in the card game Antidote. Mark formulas with 'X' or '?' to aid deduction and improve your chances of survival. Offers premium features like ad removal and special formula tracking.

Highlights
  • Track game formulas
  • Mark formulas with 'X' or '?'
  • Clear notation with reset button
  • Remove ads (in-app purchase)
  • Premium features (exploding formulas)
  • 15-minute premium trial
Features
Read full description

Description: Put the deductive power of the official Antidote Lab Assistant App on your side! Keep track of the formulas you've seen each game to give yourself a better chance to survive every time you play Antidote! This app is a supplemental tool to the popular 2015 card game, Antidote, by Bellwether Games. You'll be able to quickly mark-off or note uncertainty about each formula and easily refresh your notes between each game. Perhaps this App is the edge you need to be the most successful Antidote player in your gaming group! Details: This is the official Antidote Lab Assistant App from Bellwether Games LLC. Version 1.0.5 Tap any of the 8 formulas in the game to mark it with an "X" Tap a second time to change the "X" to a "?" Tap a third time to clear There is also a reset button to clear notation from all the formulas In-app purchases include the ability to remove ads for $0.99 Version 2.0.0 Menu tab replaces "Remove Ads" tab Menu screen added with buttons for "Deduction," "Go Premium," "Buy Antidote," "Rate This App," and "Credits" Premium menu added with "Trial Premium," "Buy Now," and "Restore Purchases" buttons Tap "Go Premium" to open Premium menu Tap "Buy Antidote" to go to bellwethergames.com Tap "Rate This App" to go to App Store ratings Tap "Credits" to see credits screen Tap credits screen to return to Menu Premium features include "exploding" formulas and no ads Trial Premium for 15 minutes by watching a 5 second video ad Go Premium for $0.99 (replaces 1.0.5 "remove ads") "Trial Premium" option disappears for 15 minutes when activated Return to Menu from Premium menu by tapping outside the pop-up More about Antidote by Bellwether Games: In Antidote, you are a laboratory scientist working for a giant chemical research conglomerate. When you and your lab are suddenly exposed to a deadly toxin, you must work quickly to share your research and discover the Antidote before it’s too late! In the game, players take turns deciding what action all other players take: either discard from their hand or trade research with other players. Eventually all your cards will run-out and you will be left with just one that you must “drink” and hope its the Antidote. If this card is the true Antidote, you’re cured and live! If not…you die, but you can always try again!

Screenshots

Sum Fun4 screens
Antidote Lab Assistant4 screens

Verdict

The call

The clearest difference is in-app purchases: Sum Fun at none against Antidote Lab Assistant's 1. Sum Fun also leads on update cadence (weekly vs monthly) and ratings volume (33 vs 4). Antidote Lab Assistant's advantage is ads (none vs shown) and iOS requirement (5.1.1 vs 15.0). On price, rating, review sentiment 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. Antidote Lab Assistant sells 1 one-off in-app purchase. Sum Fun asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Sum Fun against 4.8 for Antidote Lab Assistant. That said, the two scores are not equally well evidenced: Sum Fun has 33 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Sum Fun ships an update weekly, Antidote Lab Assistant monthly. The most recent releases landed on September 18, 2026 and June 10, 2026 respectively.

Scorecard6 real differences · 4 level
Sum Fun versus Antidote Lab Assistant: the parameters behind the verdict, then further details
ParameterSum FunAntidote Lab Assistant
PriceFreeFree
Rating4.9 (33 ratings) — better4.8 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings33 — better4
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.05.1.1 — better
Further details — not scored
Size195 MB13 MB
Age rating4+4+
DeveloperGreg SharpeBellwether Games LLC

Customer experience

Sum Fun

All ratings33 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews47 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Antidote Lab Assistant

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sum Fun

No in-app purchases

1 purchases

Antidote Lab Assistant

One-time1
  • Remove Ads$0.99

Questions

Is Sum Fun free?
Sum Fun is free to download, with no in-app purchases.
Is Antidote Lab Assistant free?
Antidote Lab Assistant is free to download, with in-app purchases available.
Which has better reviews, Sum Fun or Antidote Lab Assistant?
Sum Fun is rated higher. Sum Fun averages 4.9 out of 5 from 33 ratings, while Antidote Lab Assistant averages 4.8 from 4 ratings.
Do Sum Fun or Antidote Lab Assistant have ads?
Sum Fun shows ads; Antidote Lab Assistant does not.
Which is updated more often, Sum Fun or Antidote Lab Assistant?
Sum Fun ships an update weekly, and Antidote Lab Assistant monthly. Most recently, Sum Fun was updated on September 18, 2026 and Antidote Lab Assistant on June 10, 2026.

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