Letter Launch vs TENSEI
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Physics-based platforming
- Word guessing mechanics
- Unlockable abilities
- Unique stage mechanics
- Boss battles
- Challenge levels
- Classic and Action game modes
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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.
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.
- Ultra-casual endless action gameplay
- Soothing Zen landscapes
- Relaxed journey into the sky
- Immersive experience
- Brush stroke-like movement
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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
Verdict
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
Letter Launch costs $0.99 and TENSEI $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Letter Launch | TENSEI |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Rating | 4.0 (4 ratings) | 4.9 (13 ratings) — better |
| Positive reviews | 90.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 13 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #164 | #155 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 273 MB | 405 MB |
| Age rating | 9+ | 4+ |
| Developer | Nat Russell | NEURON AGE CO.,LTD. |
Customer experience
Letter Launch
TENSEI
In-app purchases
Letter Launch
No in-app purchases
TENSEI
No in-app purchases









