Comparison

Chat API vs US VPN

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

Head to head
About

Chat API

Access powerful AI models locally or through cloud APIs. This tool offers flexible integration with GPT-4, OpenAI, Grok, and local LLMs for diverse tasks like coding, drafting, and research.

Highlights
  • Private local LLM support with Ollama
  • OpenAI and Grok API integration
  • Built-in text-only GPT-4 model
  • Bing-powered real-time searches
  • Image generation capabilities
  • Seamless model switching
Features
Read full description

Run private local LLM AI models with Ollama, or unleash AI through OpenAI & Grok APIs for advanced features and flexibility. ChatAPI offers a built-in text-only GPT-4 model for instant AI access, plus support for OpenAI API, Grok API, local LLM Ollama models, and Bing-powered real-time searches. - Flexible AI Access: Use the onboard GPT-4, connect Ollama for running private AI locally on your own PC or server, or integrate OpenAI/Grok/Bing APIs for advanced features like image generation. - Versatile & Powerful: Seamlessly switch between models for drafting, coding, brainstorming, or research with fast, reliable responses. Subscription Options: - Monthly: Unlimited GPT-4, OpenAI/Grok/Bing API integration, and Ollama support. - Yearly: Same as monthly, with cost savings. Download ChatAPI for flexible, private, and powerful AI interactions! Privacy Policy: https://sites.google.com/view/gpt-lite/privacy Terms of Use: https://sites.google.com/view/gpt-lite/terms Support: https://sites.google.com/view/gpt-lite/support

About

US VPN

This service provides stable US residential IP addresses for app founders, growth teams, and content creators. It offers dedicated, unshared IPs for consistent US reach, enabling content publishing and marketing operations with a reliable US presence. The connection is encrypted for security on public networks.

Highlights
  • Stable U.S VPN
  • Unshared Residential IP Address
  • Dedicated IP for each device
  • Consistent US presence for marketing
  • Encrypted connection
  • Wireguard protocol
Features
Read full description

VektaVPN is a stable US VPN built for UGC, content creators and app founders, who need a consistent US presence for their distribution. Every device gets its own dedicated US residential IP address. Unshared! It stays the same, so your device looks the same day after day. Most VPNs are built for consumer privacy and anonymity. VektaVPN is built for a stable US footprint on social media platforms. Don't try to be "anonymous". Be predictable and consistent with VektaVPN. US residential IPs only - US residential IP addresses, never shared with another customer - Built for consistency over time: the same IP on the same device - Made for teams targeting US audiences - Onboard your team What you can do with VektaVPN - Get your own dedicated, unshared IP address for each device - Publish and manage content aimed at US viewers - Run marketing and distribution with a consistent US presence - Invite your team and manage every device on one plan - See how much data each device uses, by day and by month - Connect with one tap on iPhone Security and reliability - An encrypted connection that protects your traffic on public networks - Built on the WireGuard protocol (may not apply in restricted countries China, Russia, Iran) Help when you need it Contact our team from the app or at https://vektavpn.com/support. Subscription An active subscription is required to use VektaVPN. Payment is charged to your Apple Account when you confirm the purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings after purchase. Refunds Apple handles refunds for purchases made in the app: https://reportaproblem.apple.com Our refund policy: https://vektavpn.com/refund-policy Privacy Policy: https://vektavpn.com/privacy-policy Terms of Use: https://vektavpn.com/tos

Screenshots

Chat API4 screens
US VPN4 screens

Verdict

The call

The clearest difference is review sentiment: Chat API at 75% against US VPN's 33%. Chat API also leads on rating (4.2 vs 3.7) and monetization model (free with in-app purchases vs subscription). On price, ratings volume, ads and in-app purchases 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. Chat API sells 3 in-app purchases, starting at $1.99 per month and US VPN sells 10 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chat API holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 75% of Chat API's written reviews are positive against 33% of US VPN's.

UpkeepUpdate frequency

Chat API ships an update weekly, US VPN every 5 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Chat API versus US VPN: the parameters behind the verdict, then further details
ParameterChat APIUS VPN
PriceFreeFree
Rating4.2 (5 ratings) — better3.7 (3 ratings)
Positive reviews75.0% of reviews — better33.3% of reviews
Number of ratings5 — better3
Update frequencyWeekly — betterEvery 5 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size78 MB63 MB
Age rating17+12+
DeveloperAndres Nunez SotoCryptovero

Customer experience

Chat API

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

US VPN

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

3 purchases

Chat API

Subscriptions3
  • Unlimited Access (Monthly)7 Days trial$1.991 Month
  • Unlimited Access (Yearly)$19.991 Year
  • Pro Supporter Yearly$49.991 Year
10 purchases

US VPN

Subscriptions10
  • Dedicated IP - 1 Device (Monthly)$7.991 Month
  • Dedicated IP: 2 Devices (Monthly)$15.951 Month
  • Dedicated IP: 3 Devices (Monthly)$23.951 Month
Show 7 more
  • Dedicated IP: 4 Devices (Monthly)$31.951 Month
  • Dedicated IP: 2 Devices (Monthly)$39.951 Month
  • Dedicated IP - 1 Device (Yearly)$95.901 Year
  • Dedicated IP: 2 Devices (Yearly)$190.991 Year
  • Dedicated IP: 3 Devices (Yearly)$284.991 Year
  • Dedicated IP: 4 Devices (Yearly)$379.991 Year
  • Dedicated IP: 5 Devices (Yearly)$469.001 Year

Questions

Is Chat API free?
Chat API is free to download, with in-app purchases available.
Is US VPN free?
US VPN is free to download, with in-app purchases available.
Which has better reviews, Chat API or US VPN?
Chat API is rated higher. Chat API averages 4.2 out of 5 from 5 ratings, while US VPN averages 3.7 from 3 ratings.
Do Chat API or US VPN have ads?
Both Chat API and US VPN show ads.
Which is updated more often, Chat API or US VPN?
Chat API ships an update weekly, and US VPN every 5 weeks. Most recently, Chat API was updated on November 4, 2026 and US VPN on November 5, 2026.

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