Comparison

Four Letters vs SpotWarriors

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

Head to head
About

Four Letters

Engage in a fast-paced word puzzle by connecting four letters to form words before time runs out. Improve your vocabulary with an in-game dictionary and challenge friends on global leaderboards. Unlock achievements and explore thousands of letter combinations.

Highlights
  • Connect four letters to form words
  • Beat the countdown clock
  • Learn new words with in-game dictionary
  • Compete on leaderboards
  • Earn achievements
  • Supports English and Spanish
Features
Read full description

Four Letters is an easy to play word challenge game that has you simply swiping or tapping to connect four letters to make familiar and more challenging words as you progress. You will need to beat the countdown clock to keep going and better your highest scores. The Dictionary screen makes it easy to learn new words and improve your language skills. Compete with your friends to be at the top of the leaderboards and be the Four Letters champion! If you are looking for that personal challenge, there are lots of different achievements to work through to track your progress. Features: - Switch between English and Spanish to choose to make words from both languages. - Multiple answers to questions. Get creative! - Thousands of possible letter combinations. - Leaderboards so you can compete and compare scores. - A Dictionary where you can view all the words you've made. - Lots of different achievements for you to earn. We love to hear from our players! On Twitter? Drop us a line @pikpokgames and join the conversation with #FourLetters Four Letters is free to play but does show in-game advertising. There is a one-time in-app purchase available to disable third-party ads. You can disable in-app purchases in your device’s settings. Apple is not a sponsor and does not endorse Lootsie rewards. PikPok Terms of Service: http://pikpok.com/terms-of-use/

About

SpotWarriors

Engage in a game that allows you to contribute to real medical diagnoses of global health issues. Train your cognitive skills, complete daily missions, and compete with others while learning about diseases.

Highlights
  • Contribute to real medical diagnoses
  • Train cognitive skills (memory, attention)
  • Complete daily missions
  • Learn about global health issues
  • Compete and create contests
Features
Read full description

It’s here! Following MalariaSpot, a game which allowed you to diagnose real malaria samples, comes another game from Spotlab, Spotwarriors. A game for all…From the youngest to the oldest members of the household, all can become SpotWarriors. As you level up, you will achieve higher rewards and microscopes that improve your lab. Become the scientist champion! Contribute to diagnosis. You might think you are only playing, but by doing so you are also contributing to the medical diagnosis of diseases that are a global health issue. How are you helping? All the images that you find in SpotWarriors are real samples. Some have already been analysed by a team of professionals and we know the results, however there are many yet to be analysed. But don’t panic! You will not be responsible for the diagnosis. Your results will be used with those of all SpotWarriors to achieve a reliable analysis. As it was proved in MalariaSpot, the analysis of 20 players is equal to that of a single microscopy expert. Cognitive abilities. Diagnosis isn’t the only thing you will be doing. Some of our games are designed by psychologists, so by playing, you are also training your cognitive skills as well, like memory, attention, spacial awareness, etc… Daily missions. Participate daily to train your mental skills and help diagnose diseases. Gain experience and become the best SpotWarrior. Around the world. Travel around the globe where you will find different global health issues. From Malaria and Helminths which affect subtropical countries, to Hemoglobinopathy or cancer that affect the whole world. Compete, learn and help! You can also create contests from the web spotwarriors.org and organize classroom workshops for your students and learn about global health problems in a dynamic and fun way.

Screenshots

Four Letters4 screens
SpotWarriors4 screens

Verdict

The call

The clearest difference is in-app purchases: SpotWarriors at none against Four Letters's 1. SpotWarriors also leads on rating (5.0 vs 4.5) and update cadence (weekly vs monthly). Four Letters's advantage is ratings volume (787 vs 1). On price, device support and iOS requirement 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. Four Letters sells 1 one-off in-app purchase. SpotWarriors asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SpotWarriors holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Four Letters has 787 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Four Letters ships an update monthly, SpotWarriors weekly. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
Four Letters versus SpotWarriors: the parameters behind the verdict, then further details
ParameterFour LettersSpotWarriors
PriceFreeFree
Rating4.5 (787 ratings)5.0 (1 ratings) — better
Positive reviews88.0% of reviews—
Number of ratings787 — better1
Update frequencyMonthlyWeekly — better
AdsYes—
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.010.0 — better
Further details — not scored
Size113 MB223 MB
Age rating4+4+
DeveloperPikPokSpotLab SL

Customer experience

Four Letters

All ratings785 ratings
Positive88.5%
Neutral5.4%
Negative6.1%
Written reviews756 reviews
Positive88.0%
Neutral4.6%
Negative7.4%

SpotWarriors

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Four Letters

Reported bugs

3 issues
  • Game doesn't load or opens to a blank screen
  • New words not showing up at the top
  • Inconsistent word recognition

Requested features

3 requests
  • Option to adjust difficulty level
  • Leaderboard to compare scores
  • New game modes (e.g. no timer, wrong word elimination)

SpotWarriors

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Four Letters

One-time1
  • Disable Third Party Ads$2.99
None

SpotWarriors

No in-app purchases

Questions

Is Four Letters free?
Four Letters is free to download, with in-app purchases available.
Is SpotWarriors free?
SpotWarriors is free to download, with no in-app purchases.
Which has better reviews, Four Letters or SpotWarriors?
SpotWarriors is rated higher. Four Letters averages 4.5 out of 5 from 787 ratings, while SpotWarriors averages 5.0 from 1 ratings.
Which is updated more often, Four Letters or SpotWarriors?
Four Letters ships an update monthly, and SpotWarriors weekly. Most recently, Four Letters was updated on October 26, 2026 and SpotWarriors on October 22, 2026.

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