Comparison

Pull The Pin vs One Letter

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

Head to head
About

Pull The Pin

This physics-based puzzle game challenges you to strategically pull pins to guide colored balls into a pipe. Overcome obstacles like bombs and black holes, and ensure colorless balls pick up color before reaching their destination.

Highlights
  • Physics-based gameplay
  • Strategic pin pulling
  • Color spreading mechanics
  • Obstacle avoidance (bombs, black holes)
  • Daily and unlockable levels
  • Ball skin customization
Features
Read full description

In this game full of satisfying graphics and innovative levels, you can challenge yourself, your brain, and your friends! It’s you against physics and the tricky levels — WHO WILL WIN? All balls have to go into the pipe … can you remove the pins in the right order and make it happen? It should be simple: gravity pulls the balls down towards the pipe. But then pins are in the way! Can you help out and flip away the pins and get the balls to where they are supposed to be? But wait: there is another level of trickery! Sometimes some of the balls are colorless: before they go into the pipe, they need to touch a color ball, so the color spreads to them as well. So simple yet so tricky! Pin Puzzle - Pull & Solve Game Pin puzzle is a brand new pin-pull game. Play and have endless fun in multiple levels! Pull the pin to let all the balls fall into the bottom container. Also,you may notice that some balls are colorless. They need to touch at least one colored ball to get color. So simple yet so interesting! At the same time,three obstacles( bombs, pegboards and black holes)may get in your way,watch it!Get ready to train your brain and relax! Pull the pin players can't miss! pull the pin games need popcore players think before you pull and think about pin pull game ways to escape, and the pull the pin interface is simple. The popcore player needs to pull the pin puzzle game to make the pin pull game ball escape. The pull the pin games is simple. But beware of pull pin games bombs! The pull the pin free operation is simple to pull it down, but as the pull the pin free level increases, pin it, the pin popcore difficulty of the pull the pin free will increase. How do you play? Pull the pin, gravity will make the balls fall into the container. Colorless balls need to touch colored balls to be dyed. Beware of obstacles such as bombs,pegboards and black holes. Pin puzzle game features the game principle based on physical mechanics brings you great sense of reality . three different functions of pins and obstacles new game mode, daily level + unlock skin level, making it difficult to get bored. multiple ball skins are waiting for you to unlock. free, anytime, anywhere, a great choice to kill time.

About

One Letter

Features
Read full description

One Letter is a word game in which you make words by only changing One Letter of the current word. There are four game formats. Chains ------ The idea behind Chains is that you start with a word, then you have to keep changing a single letter making a new word until you can't make any more. For example the starting word is START: start -> stare -> spare -> spore -> sport -> etc Variations ---------- Variations follows a similar patter to Chains, you have to change a single letter to make a new word. The difference here is that all the words must be made from the starting word. For example you start with the word START. From start you can make: stare, smart, stark, scart Additions --------- With additions you are presented with a 3 letter word, and you have to make as many four letter words as you can by adding One Letter. You can place the letter anywhere in the word. For example starting with the word POT: spot, pout, plot, etc Ladders ------- Giving a starting word can you change it to the finish word one changing a single letter at a time?

Screenshots

Pull The Pin4 screens
One Letter4 screens

Verdict

The call

The clearest difference is update cadence: One Letter at every 6 weeks against Pull The Pin's every 10 months. On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pull The Pin ships an update every 10 months, One Letter every 6 weeks. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Pull The Pin versus One Letter: the parameters behind the verdict, then further details
ParameterPull The PinOne Letter
PriceFreeFree
Rating3.8 (29 ratings) — better—
Positive reviews12.5% of reviews—
Number of ratings29 — better—
Update frequencyEvery 10 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size82 MB10 MB
Age rating4+9+
DeveloperBilal AhmadHaskins.io ltd

In-app purchases

None

Pull The Pin

No in-app purchases

None

One Letter

No in-app purchases

Questions

Is Pull The Pin free?
Pull The Pin is free to download, with no in-app purchases.
Is One Letter free?
One Letter is free to download, with no in-app purchases.
Do Pull The Pin or One Letter have ads?
Both Pull The Pin and One Letter show ads.
Which is updated more often, Pull The Pin or One Letter?
Pull The Pin ships an update every 10 months, and One Letter every 6 weeks. Most recently, Pull The Pin was updated on October 21, 2026 and One Letter on October 6, 2026.

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