OneAnswerAI vs Zero Chat
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OneAnswerAI
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Why settle for one AI when you can have three? OneAnswer AI sends your question to three leading AI providers simultaneously and returns a single optimal answer. How it works: the app analyzes your question through three leading AI providers. In "picking" mode, it selects the best response. In "meta-fusion" mode, it synthesizes a single answer combining the best of each. What's new in v2.0: - Full account system: sign in with Email, Apple, or Google across all your devices - Insights dashboard: track your usage, streaks, and favorite providers - 7 languages: English, Italian, Spanish, Arabic, Chinese, German, French - PDF and image analysis - Server-synced conversations - AI personalization with custom instructions The free plan includes daily questions. Premium unlocks more queries and advanced features. One question. Three AIs. One perfect answer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://m8seven.github.io/oneanswerai-privacy/
Zero Chat
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Zero Chat puts GPT, Claude, Gemini, and other AI models in one app. An active subscription is required. Pick a model for each chat without moving between services or splitting your conversation history. Add custom instructions, turn chat tools on or off, and use the same account on supported devices. WHAT YOU CAN DO โข Chat with more than 40 AI models โข Keep one searchable conversation history โข Switch models when a task calls for a different one โข Set custom instructions for every chat โข Sync your account across supported devices A monthly auto-renewable subscription enables Zero Chat's AI features. Apple charges your Apple ID when you confirm the purchase. The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Privacy Policy: https://zero-chat.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Zero Chat at none against OneAnswerAI's shown. Zero Chat also leads on update cadence (every 4 days vs every 9 days). On price, in-app purchases, device support and iOS requirement 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. OneAnswerAI sells 7 in-app purchases, starting at $5.99 per 7 days and Zero Chat sells 1 in-app purchase, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
OneAnswerAI ships an update every 9 days, Zero Chat every 4 days. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.
| Parameter | OneAnswerAI | Zero Chat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 4 days โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 16.4 | 16.4 |
| Further details โ not scored | ||
| Size | 59 MB | 72 MB |
| Age rating | 12+ | 4+ |
| Developer | VALENTINO PAULON | Oleg Filimonov |
In-app purchases
OneAnswerAI
- Weekly Pro$5.997 Days
- Monthly Pro$17.991 Month
- 10 Text Queries$0.99
- 5 Text + 1 Media$1.99
- 5 Media Queries$1.99
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- 50 Text Queries$3.99
- 100 Text Queries$6.99
Zero Chat
- Premium14 Days trial$8.991 Month









