Comparison

OneAnswerAI vs Thremark

Price, ratings, monetisation and update history for both apps, side by side — 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

Thremark

This AI assistant remembers your personal information to provide contextually relevant answers and proactively engage you. It can generate files, search the web, and create images, all while prioritizing your privacy and integrating seamlessly with iOS.

Highlights
  • Personalized AI memory
  • Proactive notifications
  • Dynamic file generation
  • Multi-model AI support
  • Web search and summarization
  • Voice and image generation
  • Deep iOS integration
Features
Read full description

Most AI answers from the internet. ◆ Thremark answers from your life. • No prompt engineering. Just talk. • No model picking. The right one kicks in. • No black box. See and edit what the AI knows. • No training on your data. API-only, by design. MARKS A fact you own. Your diet, routines, preferences, visible in a list, editable anytime. The AI uses your Marks in every chat without you repeating yourself. You always know what it knows. Set a reminder on any Mark. Thremark notifies you at exactly the right moment. MEMORY RECALLS Save a fact once. The AI brings it back in every conversation automatically. When a saved fact goes quiet too long, Thremark reaches out with a notification: "Still relevant?" Most apps wait to be opened. Thremark reaches out first. FILES Ask the AI to create a habit tracker, workout plan, trip itinerary, money log, or recipe. Your files live in the conversation: tell it to add a row, fix a section, rename a task, or start from scratch and it updates instantly. No editor to open. Just say it. Nobody else does this. Long-press any AI reply to save it as a file and keep it forever. FAST, SMART, AND FULL MODES GPT, Claude, Gemini. • Fast. Everyday questions, instant answers. • Smart. Complex problems, deeper thinking. • Full. Long-form work and deep research. The right AI kicks in automatically, you just ask. WEB SEARCH Real answers with real sources. Ask anything, Thremark finds it, summarizes it, remembers what matters. VOICE AI Tap the mic and talk. Thremark listens, responds, saves facts, and builds files, all in real time. Hands-free. IMAGE GENERATION Describe what you want. AI draws it. Tap to zoom, long-press to save or share. ABOUT YOU An AI portrait built from your conversations. Your interests, work, people. Private. Never leaves your device. WOVEN INTO iOS Siri Shortcuts. Widgets. Spotlight. Share from any app. Focus Filters. Control Center. StandBy. 30 Apple technologies, not bolted on. PRIVACY FIRST Anonymous device ID. No ads. No data sold. Thremark connects to GPT, Claude, and Gemini via API only. API terms are explicit: your conversations are never used to train their models. What you share with Thremark stays yours. Start in seconds. Upgrade when you need more. Privacy Policy: https://thremark.com/privacy Terms of Use: https://thremark.com/terms

Screenshots

OneAnswerAI4 screens
Thremark4 screens

Verdict

The call

The clearest difference is ads: Thremark at none against OneAnswerAI's shown. OneAnswerAI's advantage is iOS requirement (16.4 vs 26.0). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OneAnswerAI sells 7 in-app purchases, starting at $5.99 per 7 days and Thremark sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OneAnswerAI ships an update every 9 days, Thremark weekly. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

Scorecard2 real differences · 8 level
OneAnswerAI versus Thremark: the parameters behind the verdict, then further details
ParameterOneAnswerAIThremark
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 9 daysWeekly — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better26.0
Further details — not scored
Size59 MB46 MB
Age rating12+17+
DeveloperVALENTINO PAULONKonstantin Cherniatev

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
4 purchases

Thremark

Subscriptions4
  • Thremark Plus7 Days trial$19.991 Month
  • Thremark Pro3 Days trial$39.991 Month
  • Plus (Annual)$179.991 Year
Show 1 more
  • Pro (Annual)$359.991 Year

Questions

Is OneAnswerAI free?
OneAnswerAI is free to download, with in-app purchases available.
Is Thremark free?
Thremark is free to download, with in-app purchases available.
Do OneAnswerAI or Thremark have ads?
OneAnswerAI shows ads; Thremark does not.
Which is updated more often, OneAnswerAI or Thremark?
OneAnswerAI ships an update every 9 days, and Thremark weekly. Most recently, OneAnswerAI was updated on October 8, 2026 and Thremark on October 17, 2026.

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