Triple A HD vs 字习 Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Triple A HD
Experience a premium visual journey with dynamic light flows and moving shapes. This app transforms your screen into a calming space for relaxation, focus, and quiet moments, offering enhanced particle density and fluidity.
- Premium particle and light experience
- Dynamic light flows and moving shapes
- Calming space for relaxation and focus
- Enhanced visual density and fluidity
- Five visual universes inspired by nature
- Up to 100,000 real-time particles
- Optional integrated music
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# Triple A HD — Une expérience premium de particules et de lumière Plus profonde, plus riche, plus immersive. Triple A HD est la version premium de Triple A, conçue pour celles et ceux qui recherchent une expérience visuelle encore plus complète, avec davantage de particules, une sensation de mouvement plus riche et une immersion renforcée. Chaque geste crée des flux lumineux évolutifs et des formes en mouvement qui transforment l’écran en un espace apaisant pour la relaxation, la concentration et les moments calmes. ## Une immersion visuelle premium La version HD offre une densité visuelle supérieure et une fluidité renforcée, idéale pour : • relaxation • méditation • concentration • recentrage émotionnel • exploration sensorielle calme ## 5 univers visuels • Particle • Wave • Gravity • Linear • Lightning Inspirés des galaxies, vortex, fleurs, arcs-en-ciel et flux lumineux. ## Performance HD • Jusqu’à 100 000 particules en temps réel • 60 FPS fluides • Multi-touch 5 doigts / 2 mains • Taille, quantité et longueur réglables • Musiques intégrées par Aden (optionnelles) ## Pourquoi choisir HD • Sans publicité • 3× plus de particules • Une richesse visuelle supérieure • Une immersion premium continue ## Idéal sur grand écran Sur tablette et grand écran, Triple A HD révèle encore davantage sa profondeur visuelle et son pouvoir immersif. ## Support Si vous avez des idées, questions ou remarques, je serais ravi de vous lire. sunglab@gmail.com http://www.sunglab.com
字习 Pro
Experience the art of Chinese calligraphy digitally with realistic brush and rice paper simulation. This tool brings traditional writing to the modern age, allowing you to create and save your own brush calligraphy works anytime, anywhere.
- Realistic brush and rice paper simulation
- Adjustable brush size
- Undo/redo functionality
- Brush flying-white simulation
- Save works to photo library
- Replay writing process
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ZiXi Pro realistically simulated the writing effect of Chinese brush + rice paper, the focus is on bringing the traditional Chinese calligraphy art to the digital age. Chinese calligraphy is an ancient character writing art, which from oracle bone inscriptions to cursive, calligraphy has always exuded artistic charm. Chinese calligraphy is a very unique visual art, and the unique cultural beauty can be experienced and felt by more people with the help of digital technology! The WebGPU-based (wgpu-rs) brush engine uses fluid simulation to achieve the unique expression of the brush. You can use it to experience the splash of Chinese calligraphy anytime, anywhere, and create brush calligraphy works. Features： * A Chinese traditional calligraphy writing tool; * Adjustable brush size; * Undo / redo; * Brush flying-white simulate; * Write Chinese new year "福"; * Appreciation (replaying the writing process); * Save works to Save your work to the photo library; * Support for iPad Pro; For a more enjoyable calligraphy effect, it is recommended to use on iPhone6s & iPad Air2 and above.
Screenshots
Verdict
The clearest difference is rating: Triple A HD at 4.7 against 字习 Pro's 4.2. Triple A HD also leads on review sentiment (75% vs 60%) and ratings volume (24 vs 6). 字习 Pro's advantage is update cadence (weekly vs every 2 months) and price ($1.99 vs $3.99). On ads, in-app purchases, monetization model 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
Triple A HD costs $3.99 and 字习 Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Triple A HD holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 24 and 6 respectively. Written reviews point the same way: 75% of Triple A HD's written reviews are positive against 60% of 字习 Pro's.
Triple A HD ships an update every 2 months, 字习 Pro weekly. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.
| Parameter | Triple A HD | 字习 Pro |
|---|---|---|
| Price | $3.99 | $1.99 — better |
| Rating | 4.7 (24 ratings) — better | 4.2 (6 ratings) |
| Positive reviews | 75.0% of reviews — better | 60.0% of reviews |
| Number of ratings | 24 — better | 6 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 209 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | SungLab Inc | 金磊 李 |
Customer experience
Triple A HD
字习 Pro
In-app purchases
Triple A HD
No in-app purchases
字习 Pro
No in-app purchases
