Comparison

OneAnswerAI vs Zero Chat

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

Head to head
About

OneAnswerAI

Features
Read full description

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/

About

Zero Chat

Features
Read full description

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 โ€ข Chat with more than 40 AI models โ€ข Keep one searchable conversation history โ€ข Switch models when a task calls for a different one โ€ข Set custom instructions for every chat โ€ข 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

OneAnswerAI4 screens
Zero Chat3 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
OneAnswerAI versus Zero Chat: the parameters behind the verdict, then further details
ParameterOneAnswerAIZero Chat
PriceFreeFree
Update frequencyEvery 9 daysEvery 4 days โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.416.4
Further details โ€” not scored
Size59 MB72 MB
Age rating12+4+
DeveloperVALENTINO PAULONOleg Filimonov

In-app purchases

7 purchases

OneAnswerAI

Subscriptions2
  • Weekly Pro$5.997 Days
  • Monthly Pro$17.991 Month
One-time5
  • 10 Text Queries$0.99
  • 5 Text + 1 Media$1.99
  • 5 Media Queries$1.99
Show 2 more
  • 50 Text Queries$3.99
  • 100 Text Queries$6.99
1 purchases

Zero Chat

Subscriptions1
  • Premium14 Days trial$8.991 Month

Questions

Is OneAnswerAI free?
OneAnswerAI is free to download, with in-app purchases available.
Is Zero Chat free?
Zero Chat is free to download, with in-app purchases available.
Do OneAnswerAI or Zero Chat have ads?
OneAnswerAI shows ads; Zero Chat does not.
Which is updated more often, OneAnswerAI or Zero Chat?
OneAnswerAI ships an update every 9 days, and Zero Chat every 4 days. Most recently, OneAnswerAI was updated on October 8, 2026 and Zero Chat on October 2, 2026.

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