Second Eye vs Arcus
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Second Eye
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Stop guessing which AI is best - just see for yourself. 2nd Eye runs your question across multiple AI models at the same time and shows you the answers side by side. Compare Claude, Gemini, DeepSeek, and more leading AI models in seconds. WHY 2ND EYE? โข Ask once, get answers from multiple AIs instantly โข Compare text responses and AI-generated images โข Vote on the best answer and build your personal leaderboard โข Daily question mode to make AI part of your routine โข See response time and cost per model (Pro) FREE PLAN 29 credits/month with 3 top AI models - no credit card needed. PRO PLAN 300 credits/month, choose your own models, unlock runtime and cost display. Expand your credits anytime with the Expand Pack. Whether you're a professional, student, or just curious - 2nd Eye helps you get the best answer, not just an answer. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Arcus
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Arcus is the AI chatbot and assistant that puts GPT, Claude, Gemini, Grok and many more frontier AI models in a single conversation. Switch models mid-chat without losing your thread, or let Auto mode pick the best one for each question. No more juggling subscriptions. ALL THE TOP AI MODELS - GPT-6 Astra, Sol and Luna from OpenAI - Claude Fable 5.1, Opus 5.5, Sonnet 5 and Haiku from Anthropic - Gemini from Google - Grok from xAI - Auto mode routes every question to the best model for the job AI THAT DOES REAL WORK - Live web research with citations you can check - Ask questions about your documents: PDF, Word, Excel, PowerPoint, CSV and code files - Summarize contracts, reports and spreadsheets with the key numbers pulled out - Interactive charts for stocks, budgets and comparisons - Write documents and export them to PDF in one tap - Architecture and flow diagrams - Execute code in a sandbox - Send a photo and ask anything - Memory for your preferences and projects across conversations DESIGNED FOR PERFECTION Fast, clean and quiet. No clutter, no dark patterns, no ads. PRIVATE BY DEFAULT Your conversations are never used to train models. Encrypted in transit. Delete any chat, file, memory or your whole account whenever you want. Sign in with Apple and start in seconds. ARCUS UNLIMITED (auto-renewable subscription) - Monthly and Annual plans unlock unlimited usage and all frontier models. - Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://heyarcus.com/terms Privacy Policy: https://heyarcus.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: Arcus at every 2 days against Second Eye's fortnightly. On price, ads, in-app purchases 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. Second Eye sells 2 in-app purchases, starting at $3.99 per month and Arcus sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
Second Eye ships an update fortnightly, Arcus every 2 days. Both last shipped on October 13, 2026.
| Parameter | Second Eye | Arcus |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.4 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 51 MB | 76 MB |
| Age rating | 9+ | 12+ |
| Developer | PRAGMATIC TECH INNOVATIONS LTD | Rishab Aggarwal |
In-app purchases
Second Eye
- Pro Monthly$3.991 Month
- Expand Pack$1.99
Arcus
- Arcus Unlimited Monthly$12.991 Month
- Arcus Unlimited Annual7 Days trial$79.991 Year
- Arcus Unlimited Annual$79.991 Year









