Comparison

Letter Launch vs TENSEI

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

Head to head
About

Letter Launch

A unique platformer and word-guessing game for mobile and tablet. Fling yourself through vibrant worlds, utilizing physics-based mechanics and collecting abilities to overcome challenges and defeat robotic foes. Experience classic and action-packed gameplay modes.

Highlights
  • Physics-based platforming
  • Word guessing mechanics
  • Unlockable abilities
  • Unique stage mechanics
  • Boss battles
  • Challenge levels
  • Classic and Action game modes
Currently charting
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Platformer and word guessing game handmade for mobile and tablet! Fling yourself through 4 unique worlds, unlocking abilities and creatively using stage mechanics to make it through. Test your action skills or your word guessing skills. Your new word building game. Robots have taken everything. It's up to you - an egg - to unlock all 100 stage doors and smash the Robo-Super-Boss into bits. FEATURES - Special Cards: Abilities you collect that can only be used one time for a single level. - Boss Battles: Each world ends with a boss battle where there are no guesses - you must collect all the letters to blast them to pieces. - Challenges: Complete the world challenges and unlock extra challenge levels to get more special cards. Hit birds, finish levels in one life and countless others. - Stage Mechanics: Each world has multiple devices: vortexes, cannons, moving platforms and many more. GAME MODES - Classic: Use your three lives to fling yourself across the levels collecting letters and guessing the word each life. - Action: No word guessing, you have to figure out what word you're spelling to decide where to launch across the screen. All action, all creative platforming. Unlocked on finishing the game in Classic mode. This is a solo hand crafted game made by Nat Russell and I'm trying to bring back what phone games were really about - buying a game for a small price and playing it. No in game purchases, no ads, just fun.

About

TENSEI

Embark on a serene journey of self-discovery through an ultra-casual endless action game. Leap and fall through calming Zen landscapes, mimicking the flow of ink on paper, to escape daily stress and find deep immersion.

Highlights
  • Ultra-casual endless action gameplay
  • Soothing Zen landscapes
  • Relaxed journey into the sky
  • Immersive experience
  • Brush stroke-like movement
Features
Currently charting
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An experience of self-discovery set in soothing Zen landscapes. "Tensei" is an ultra-casual endless action game. Leap and fall over and over in the style of a brush flowing across paper, and go on a relaxed journey into the sky. Leave the hectic routine of life behind for a chance to enjoy this deeply immersive experience.

Screenshots

Letter Launch4 screens
TENSEI4 screens

Verdict

The call

The clearest difference is rating: TENSEI at 4.9 against Letter Launch's 4.0. TENSEI also leads on review sentiment (100% vs 90%) and ratings volume (13 vs 4). Letter Launch's advantage is update cadence (every 3 weeks vs every 5 months) and price ($0.99 vs $2.99). On ads, in-app purchases, monetization model and chart position 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

Letter Launch costs $0.99 and TENSEI $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

TENSEI holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews point the same way: 90% of Letter Launch's written reviews are positive against 100% of TENSEI's.

UpkeepUpdate frequency

Letter Launch ships an update every 3 weeks, TENSEI every 5 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

Scorecard5 real differences · 6 level
Letter Launch versus TENSEI: the parameters behind the verdict, then further details
ParameterLetter LaunchTENSEI
Price$0.99 — better$2.99
Rating4.0 (4 ratings)4.9 (13 ratings) — better
Positive reviews90.0% of reviews100.0% of reviews — better
Number of ratings413 — better
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#164#155 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size273 MB405 MB
Age rating9+4+
DeveloperNat RussellNEURON AGE CO.,LTD.

Customer experience

Letter Launch

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews10 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

TENSEI

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Letter Launch

No in-app purchases

None

TENSEI

No in-app purchases

Questions

Is Letter Launch free?
Letter Launch costs $0.99, with no in-app purchases.
Is TENSEI free?
TENSEI costs $2.99, with no in-app purchases.
Which has better reviews, Letter Launch or TENSEI?
TENSEI is rated higher. Letter Launch averages 4.0 out of 5 from 4 ratings, while TENSEI averages 4.9 from 13 ratings.
Do Letter Launch or TENSEI have ads?
Neither Letter Launch nor TENSEI shows ads.
Which is updated more often, Letter Launch or TENSEI?
Letter Launch ships an update every 3 weeks, and TENSEI every 5 months. Most recently, Letter Launch was updated on September 21, 2026 and TENSEI on September 12, 2026.
Which is more popular, Letter Launch or TENSEI?
Letter Launch currently peaks at #164 in the App Store charts, and TENSEI at #155. Chart position reflects recent download velocity rather than total install base.

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