Comparison

teemoon vs Prism

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

Head to head
About

teemoon

This app enables private AI chat by running models directly on your device or connecting to your own computer. It supports various local and cloud-based AI models, ensuring your conversations remain on your phone with no account or analytics.

Highlights
  • Private AI chat
  • On-device model execution
  • Connect to own computer
  • Bring-your-own-key support
  • No account or subscription
  • Open source
Features
Read full description

teemoon is a private AI chat app. there is no teemoon server. your phone talks directly to the model you pick. run a model on the phone, connect a computer you own, or paste a cloud API key. keys live in the iOS Keychain. chats stay on the device — SwiftData, no iCloud. • no account. no subscription. no analytics. • Gemma 4 on the phone via LiteRT. no key, works offline. • a computer you own is first-class: llama.cpp, ollama, lm studio, or any OpenAI-compatible server. • bring your own key (BYOK) for near.ai, OpenRouter, NVIDIA, Grok, Fireworks, or any OpenAI-compatible provider. that reaches Claude, GPT and Gemini, and open models like GLM, DeepSeek, Qwen and Kimi. • end-to-end encryption is near.ai's own TEE fleet only. every other cloud provider is TLS. the app says so on the row. • web search as a tool, through Brave, with the sources beside the reply. requires iOS 18.6 or later. fully open source under AGPL-3.0 — the whole client is at github.com/teemoonai/teemoon-ios.

About

Prism

This app consolidates leading AI models into a single workspace, allowing users to compare responses, merge ideas, and explore different perspectives from multiple AI sources simultaneously. It supports text and image generation comparisons, organized project management, and cross-platform accessibility.

Highlights
  • Compare answers from up to four text models
  • Unified 'Combined Answer' view
  • Side-by-side response comparison
  • Image generation comparison
  • Organize conversations in Projects
  • Incognito mode for private sessions
  • Cross-platform support (iPhone, iPad, Mac)
Features
Read full description

YOUR AIs. BETTER TOGETHER. Fewer tabs. More perspective. Prism brings leading AI models into one focused workspace, so you can compare answers, combine ideas and find your next step. ASK ONCE. SEE THE WHOLE PICTURE. Ask up to four eligible text models the same question. Prism brings their perspectives together in one Combined Answer. Explore the consensus, see where they disagree and decide what matters to you. DIFFERENT ANSWERS. YOUR CALL. Read individual responses side by side. Go deeper with a model you choose. Prism shuffles responses and hides their model labels during evaluation, so you can inspect the answers and their scores. Scores describe Prism's evaluation; AI can still make mistakes. MEET YOUR MODELS. Current public text choices: • GPT-6 Luna • Claude Haiku 5.5 • Perplexity • Gemini 3.8 Flash • GPT-6.1 Sol • Claude Sonnet 5.5 • Sonar Pro • Gemini 3.1 Pro Preview • Grok 4.7 OPTIONAL MUSE, YOUR CHOICE. Muse Spark 1.3 by Meta is available to eligible signed-in adults in the US. It stays off until you complete the Apple adult age check and separately consent to Meta processing. Availability depends on your plan and allowance. ONE IDEA. THREE POSSIBILITIES. Compare image generations from GPT Image 2.5 Flare, Nano Banana 2.1 and Grok Imagine Image 2.0. Explore three interpretations in one canvas, then choose the image you love. Prism does not automatically score images. PICK UP WHERE YOU LEFT OFF. Keep conversations in one place, organize context in Projects and continue with follow-up questions. Use Incognito when you don't want a conversation saved or remembered. MORE ROOM. MORE PERSPECTIVE. Use adaptive layouts on iPhone Duo, compare answers in a spacious iPad workspace, and resize Prism around your work on Mac. MORE LANGUAGES. SAME CLARITY. English, French and Spanish app interfaces cover everyday navigation, settings and key disclosures. Interface localization is separate from AI-generated answers. GOOD IDEAS TRAVEL WITH REFER. Invite up to three eligible friends during our year-end campaign, while stock lasts. Each eligible new or lapsed subscriber gets one free month; you earn a one-month reward after Apple confirms their redemption. Unused invitations count toward the limit. New invitations and claims close December 31, 2026 Pacific. Redeem earned rewards one at a time with Apple. Apple determines eligibility and billing dates; rewards do not immediately change an active billing period. Offers renew at the regular price unless cancelled. Notification opt-in is optional. Prism is designed for adults 18+ on iPhone, iPad and Mac. AI requests run through Prism's servers, with no provider API keys for you to manage. Model availability depends on your plan and service configuration. Frontier models require Prism Pro. FREE TO START. Try Prism with a limited free allowance. Prism Pro adds Frontier access and larger monthly text and image allowances. Check the app for the current plan details and your localized subscription price. Payment is charged to your Apple Account when you confirm a purchase. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel in your Apple Account settings. Terms of Use: https://prismpro.ai/terms Privacy Policy: https://prismpro.ai/privacy

Screenshots

teemoon4 screens
Prism4 screens

Verdict

The call

The clearest difference is in-app purchases: teemoon at none against Prism's 2. teemoon also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (18.6 vs 26.0). Prism's advantage is device support (3 vs 1). On price, rating, ratings volume and ads 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. Prism sells 2 in-app purchases, starting at $14.99 per month. teemoon asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for teemoon against 5.0 for Prism. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

UpkeepUpdate frequency

teemoon ships an update weekly, Prism every 5 weeks. Both last shipped on November 13, 2026.

Scorecard5 real differences · 4 level
teemoon versus Prism: the parameters behind the verdict, then further details
ParameterteemoonPrism
PriceFreeFree
Rating5.0 (4 ratings)5.0 (2 ratings)
Number of ratings4 — better2
Update frequencyWeekly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS18.6 — better26.0
Further details — not scored
Size118 MB30 MB
Age rating4+17+
Developerringzero ventures, LLCTRADESTREAKS LLC

Customer experience

teemoon

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Prism

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

teemoon

No in-app purchases

2 purchases

Prism

Subscriptions2
  • Prism Pro (Monthly)$14.991 Month
  • Prism Pro (Annual)$149.991 Year

Questions

Is teemoon free?
teemoon is free to download, with no in-app purchases.
Is Prism free?
Prism is free to download, with in-app purchases available.
Which has better reviews, teemoon or Prism?
teemoon and Prism are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.
Do teemoon or Prism have ads?
Neither teemoon nor Prism shows ads.
Which is updated more often, teemoon or Prism?
teemoon ships an update weekly, and Prism every 5 weeks. Most recently, teemoon was updated on November 13, 2026 and Prism on November 13, 2026.

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