Comparison

Liquid Apollo vs Caffi

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

Head to head
About

Liquid Apollo

Access a wide range of AI language models, both locally on your device and through cloud APIs. This app allows you to chat with open-source models, connect to your own hosted LLMs, or utilize services like OpenRouter for broad model access.

Highlights
  • Local LLM support
  • OpenRouter integration
  • Custom backend connections
  • Private AI chat
  • Access to open-source models
  • Connect to hosted LLMs
Features
Read full description

Chat with private, local AI models, connect to every open source AI, or your own locally-hosted private LLMs. Apollo is your own customizable client for accessing language models from all around the web. Local model support (powered by LEAP, a Liquid AI product): run smaller LLMs privately and securely on-device. OpenRouter support: bring an OpenRouter API key to chat with every model on the web. Just sign in by creating an account over at OpenRouter and paste it in to Apollo to access nearly every model, from open source models like Meta Llama 3, to closed source models like OpenAI’s ChatGPT-4. Custom Backend support: want ChatGPT at home? Run an LLM on your computer with tools like LM Studio or Ollama and connect to it with Apollo to host your own private ChatGPT-like mobile app for your family.

About

Caffi

Monitor your caffeine consumption to improve sleep quality and manage energy levels. Log drinks quickly, see remaining caffeine before bed, and plan future intake to make informed choices.

Highlights
  • Log drinks with a large beverage database
  • Calculate remaining caffeine at bedtime
  • Predict impact of drinks on sleep
  • Track caffeine trends over time
  • Manually add custom drinks
Features
Read full description

Track your caffeine intake, optimize your sleep, and take control of your energy levels. Do you ever wonder how much caffeine is still in your system? Or why you have trouble sleeping after an afternoon coffee? This caffeine tracker helps you log your drinks, see your current caffeine levels, and predict how much caffeine will still be in your body at bedtime—so you can make smarter choices and sleep better. Features: - Caffeine Tracking Made Easy Log your drinks in seconds with a database of popular beverages from Starbucks, Dunkin’, McDonald's, Celsius, Red Bull, Monster, and more. Manually enter custom drinks if needed. === - See Your Caffeine at Bedtime Instantly calculate how much caffeine will still be in your system when you go to sleep. === - Plan Your Next Drink Find out if that afternoon coffee will keep you wired at night before you take a sip. === Track Trends Over Time View your caffeine intake over days, weeks, or months and see your most consumed drinks. === Stop guessing. Start tracking. Download now to take control of your caffeine intake. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Cancellation of the current active subscription period is not allowed. Terms of Use: https://pattammaro.com/caffi/terms-of-use Privacy Policy: https://pattammaro.com/caffi/privacy-policy

Screenshots

Liquid Apollo4 screens
Caffi4 screens

Verdict

The call

The clearest difference is in-app purchases: Liquid Apollo at none against Caffi's 3. Liquid Apollo also leads on update cadence (every 10 days vs every 5 weeks) and ratings volume (667 vs 38). On price, rating, review sentiment 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. Caffi sells 3 in-app purchases, starting at $5.99 per 7 days. Liquid Apollo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Liquid Apollo against 4.5 for Caffi. That said, the two scores are not equally well evidenced: Liquid Apollo has 667 ratings behind it against 38, so its average is the more settled of the two. Written reviews are what separate them: 68% of Liquid Apollo's written reviews are positive against 71% of Caffi's.

UpkeepUpdate frequency

Liquid Apollo ships an update every 10 days, Caffi every 5 weeks. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

Scorecard5 real differences · 5 level
Liquid Apollo versus Caffi: the parameters behind the verdict, then further details
ParameterLiquid ApolloCaffi
PriceFreeFree
Rating4.5 (667 ratings)4.5 (38 ratings)
Positive reviews68.2% of reviews71.4% of reviews — better
Number of ratings667 — better38
Update frequencyEvery 10 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size159 MB34 MB
Age rating12+4+
DeveloperLiquid AI, Inc.Patrick Tammaro

Customer experience

Liquid Apollo

All ratings667 ratings
Positive87.3%
Neutral3.7%
Negative9.0%
Written reviews151 reviews
Positive68.2%
Neutral11.3%
Negative20.5%

Caffi

All ratings38 ratings
Positive86.8%
Neutral2.6%
Negative10.5%
Written reviews14 reviews
Positive71.4%
Neutral7.1%
Negative21.4%

Bugs and requests

Liquid Apollo

Reported bugs

6 issues
  • Unable to download Liquid Models
  • Deleted locally installed models
  • OpenRouter support crashes the app
  • Voice list doesn't load all available voices
  • Backspace lag leading to unintended text deletion
Show 1 more
  • Inconsistent behavior when using code blocks

Requested features

10 requests
  • Add support for more open-source models (e.g. Gemma 3)
  • Implement image generation and upload functionality
  • Allow scheduling of asynchronous tasks
  • Integrate with Hugging Face model repository
  • Provide built-in prompt library
Show 5 more
  • Add MCP (Multimodal Conversation Protocol) support
  • Enable direct OpenAI API integration
  • Improve voice chat functionality
  • Add option to delete all chat history
  • Implement search and filtering for chat history

Caffi

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Liquid Apollo

No in-app purchases

3 purchases

Caffi

Subscriptions3
  • Caffi Pro3 Days trial$5.997 Days
  • Promotion$24.991 Year
  • Caffi Pro$39.991 Year

Questions

Is Liquid Apollo free?
Liquid Apollo is free to download, with no in-app purchases.
Is Caffi free?
Caffi is free to download, with in-app purchases available.
Which has better reviews, Liquid Apollo or Caffi?
Liquid Apollo and Caffi are both rated 4.5 out of 5 on the App Store, from 667 and 38 ratings respectively.
Do Liquid Apollo or Caffi have ads?
Neither Liquid Apollo nor Caffi shows ads.
Which is updated more often, Liquid Apollo or Caffi?
Liquid Apollo ships an update every 10 days, and Caffi every 5 weeks. Most recently, Liquid Apollo was updated on November 3, 2026 and Caffi on November 1, 2026.

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