Comparison

SynVision Pro vs Hi

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

Head to head
About

SynVision Pro

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SynVision is a professional vision and brain coordination training app. Using multi-device networking, your phone becomes a precise controller while your tablet acts as a clear display terminal. Key Features: - Smart Sync: One-tap connection between phone and tablet via local network. No additional hardware required. - Vision Training: Designed for ciliary muscle adjustment, simulating outdoor gazing. - Brain Coordination: Combining math and logic to improve perception and speed. - Progress Tracking: Detailed logs of sessions and accuracy to manage eye health. All data is transferred via local network to ensure your privacy.

About

Hi

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Stop Renting Your Progress. Own It Forever. Experience the future of nutrition tracking—the culturally-aware AI food scanner built for peak performance and community-driven intelligence. Free to try for 48 hours. Tired of monthly subscriptions and giving away your personal identity? Hi-Pro is built by an independent developer for disciplined users who want pro-level insights without the "Big Tech" baggage. By utilizing de-identified, high-level analytics, we constantly evolve our AI while keeping your personal life strictly off-limits. No accounts, no identity tracking—just the most powerful nutrition tool on your device. Now with Apple Health sync. WHY HI-PRO? FREE TO TRY: 48 hours of unlimited, high-precision AI scanning. No commitment required. OWN IT FOREVER: One-time purchase, lifetime access. Say goodbye to subscription fatigue. RESEARCH-BACKED PRIVACY: We protect your identity. While we use de-identified usage data to improve our global nutritional models, your food diary, personal photos, and health metrics are never linked to your identity. APPLE HEALTH SYNC: Your daily steps earn bonus calories automatically. Meal calories sync to Apple Health. All processing happens on-device for maximum speed and security. STEP MILESTONE ALERTS: Get notified at 5K, 10K, and 15K steps with your exact calorie bonus for the day based on your unique metabolic profile. CULTURALLY AWARE AI: From Turkish Menemen and Arabic Kabsa to Japanese Sushi and Australian Meat Pies—our AI is trained on global datasets to recognize what you actually eat. "HIDDEN OIL" LOGIC: Unlike basic trackers, our AI accounts for hidden cooking oils and restaurant preparation for a more honest, "real-world" calorie count. GLOBAL SUPPORT Fully localized in 13 languages: English, Turkish, Spanish, French, German, Arabic, Portuguese, Japanese, Korean, Chinese, Hindi, Italian, and Russian. HOW IT WORKS Snap: Take a photo of your meal. Analyze: Instant AI breakdown of Calories, Protein, Carbs, and Fats. Contribute: Your anonymous usage helps refine the world's most accurate cultural food database. Sync: Steps and calories flow automatically to Apple Health. Progress: Track your daily goals with zero friction and total peace of mind. Built for the disciplined. Scaled for the world. Start your free trial today.

Screenshots

Hi4 screens

Verdict

The call

The clearest difference is in-app purchases: SynVision Pro at none against Hi's 1. SynVision Pro also leads on iOS requirement (14.0 vs 16.6). Hi's advantage is device support. On price 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. Hi sells 1 one-off in-app purchase. SynVision Pro asks for nothing beyond the download.

Scorecard3 real differences · 3 level
SynVision Pro versus Hi: the parameters behind the verdict, then further details
ParameterSynVision ProHi
PriceFreeFree
Update frequency—Monthly
Ads—No
In-app purchasesNo — betterYes
Devices—iPhone, iPad — better
Requires iOS14.0 — better16.6
Further details — not scored
Size33 MB6 MB
Age rating4+4+
Developer威 刘Deniz Dogulu

In-app purchases

None

SynVision Pro

No in-app purchases

1 purchases

Hi

One-time1
  • Lifetime Access$9.99

Questions

Is SynVision Pro free?
SynVision Pro is free to download, with no in-app purchases.
Is Hi free?
Hi is free to download, with in-app purchases available.

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