Spire vs Eye Test
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Spire
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How high can you build? Spire is a one-tap stacking game that's beautifully simple and seriously addictive. Tap to drop each block, line it up perfectly, and watch your glowing tower climb to the sky. Miss, and the edges slice away. Nail it, and your spire grows. ONE-TAP, INSTANT FUN Just tap to drop. You'll learn it in seconds โ but the tower speeds up as you climb, so every floor tests your timing. CHASE PERFECT DROPS Line a block up dead-center for a PERFECT. Chain them for combos, regrow your tower, and send your score soaring. BEAT YOUR BEST Every run is a fresh shot at your high score. Pass your record and the screen erupts in celebration. 40+ THINGS TO UNLOCK Earn coins as you play and make Spire yours: - 11 block skins (Neon, Gold, Prism, Lava and more) - 10 backgrounds - 8 sound packs (Marimba, Arcade, Crystal, Music Box) - Celebration themes (confetti, footballs, fireworks and more) EARN BADGES Climb past 10, 50, 100, all the way to 500 to unlock achievement badges and bonus coins. MADE TO FEEL GREAT Satisfying haptics, a rising musical note on every perfect drop, and buttery-smooth motion. PLAYS ANYWHERE No account. No internet required. Just pure, relaxing stacking - anytime, anywhere. How high can you go? Download Spire and start climbing.
Eye Test
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Eye Test - SLOX A casual, score-based visual quiz game. Two short challenges, no sign-up, fully offline. โ ENTERTAINMENT ONLY โ This app is NOT a medical device. It does NOT provide any diagnosis, screening, or assessment of vision, color perception, or eye health. Results are simple game scores and are not a substitute for an eye exam by a qualified professional. If you have any concern about your vision, please consult a licensed ophthalmologist. โ HOW TO PLAY โ E-Direction Challenge A fun quiz where you guess which side a letter "E" is facing. The E gets smaller each level. How high can you go? Color Spot Challenge In a 4x4 grid of colored tiles, one tile has a slightly different shade. Tap it as fast as you can. Score points across 6 rounds. โ FEATURES โ - Two quick game modes you can finish in under a minute - Simple score-based feedback. No medical claims, no diagnosis - Clear disclaimer on the main menu and every result screen - Dedicated About and Disclaimer screen with game info and general-interest reading - 7 languages: English, Korean, Japanese, Simplified Chinese, Traditional Chinese, Spanish, Portuguese - Fully offline. No account, no sign-up - Zero health data collection. Scores are shown only on your device and never uploaded - Clean, modern dark UI โ HOW SCORES ARE GENERATED โ Scores are based purely on how many in-game questions you answer correctly. They have no clinical meaning. Performance is heavily affected by screen size, brightness, ambient lighting, viewing distance, and how tired your eyes are. โ PRIVACY โ We do not collect, store, or transmit any health information of any kind. There is no account system. The app is intended for casual entertainment use. โ NOT A SUBSTITUTE FOR PROFESSIONAL CARE โ Please remember: this is a casual quiz game. For any real questions about your eyesight or color perception, please make an appointment with a licensed ophthalmologist or optometrist. Have fun. - SLOX
Screenshots
Verdict
The clearest difference is in-app purchases: Eye Test at none against Spire's 5. Eye Test also leads on iOS requirement (13.0 vs 15.1). Spire's advantage is ads (none vs shown). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Spire sells 5 one-off in-app purchases. Eye Test asks for nothing beyond the download.
| Parameter | Spire | Eye Test |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | โ |
| Ads | No โ better | Yes |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.1 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 36 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Kalpesh Mistry | SEOKWON YANG |
In-app purchases
Spire
- Handful of Coins$0.99
- Stack of Coins$2.99
- Unlock Everything$4.99
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- Vault of Coins$5.99
- Mountain of Coins$9.99
Eye Test
No in-app purchases









