Comparison

Openchat vs CB Kolín app

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

Head to head
About

Openchat

This app combines AI chat capabilities with image generation. It assists with writing, learning, and everyday queries, and can create or transform images from text prompts or existing photos. Access advanced AI models and refine results through conversational follow-ups.

Highlights
  • AI-powered chat for writing and learning
  • Generate images from text prompts
  • Transform photos with styles
  • Voice input and file sharing
  • Chat history search
  • Rate AI responses
  • Access to advanced AI models
Features
Read full description

OpenChat brings AI chat and image creation together. Get help with writing, learning and everyday questions, or turn an idea or photo into something new with Imagine. IMAGINE: CREATE AND TRANSFORM • Create images from text prompts. • Transform your photos with ready-to-use styles. • Refine your result with follow-up instructions in chat. CHAT, WRITE AND LEARN • Ask questions, brainstorm ideas, draft messages and translate text. • Use voice input and share supported photos or files for help with their contents. • Find past conversations with chat history search. • Rate AI responses and add optional feedback. AI MODELS Access the GPT-6 model family and other AI models on supported plans and features. Availability varies by subscription, task and usage limits. Models may change as the service is updated. PRIVACY CHOICES Review and change your analytics and diagnostic reporting preferences in Settings. Requests are processed using external AI services as described in our Privacy Policy. AI responses can be inaccurate; check important information. OPENCHAT PRO Paid plans unlock additional capabilities and usage allowances. Features and limits vary by plan. See the in-app offer for the current price, billing period and any trial terms. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Payment is charged to your Apple Account. Manage or cancel your subscription in your App Store account settings. Privacy Policy: https://jarvisy.com/privacy-policy Terms of Service: https://jarvisy.com/terms-of-service

About

CB Kolín app

Features
Read full description

Vítejte v oficiální aplikaci sboru Církve bratrské v Kolíně (CB Kolín). Tato aplikace byla vytvořena na míru našemu společenství, aby zjednodušila vnitřní komunikaci, organizaci a správu naší modlitebny. Hlavní funkce aplikace: Správa a rozpis služeb: Přehledné přidělování úkolů na nedělní shromáždění i akce přes týden. Chytrá výměna služeb: Nemůžete dorazit? Aplikace vám pomůže chytře a rychle najít náhradu. Aktuality a oznámení: Všechny důležité informace, novinky a sborová oznámení přímo ve vašem telefonu. Synchronizace s Google Kalendářem: Propojte si sborové události a své služby s vlastním kalendářem. Platby a dary: Jednoduchý, bezpečný a rychlý způsob, jak podpořit sbor nebo zaplatit za sborové akce. Smart Home integrace: Oprávnění uživatelé mohou přímo z aplikace chytře ovládat prvky v budově našeho sboru. Důležité upozornění: Tato aplikace je určena výhradně pro členy a přátele sboru CB Kolín. Pro plný přístup k funkcím je vyžadován uživatelský účet schválený administrátorem sboru.

Screenshots

Openchat4 screens
CB Kolín app4 screens

Verdict

The call

The clearest difference is in-app purchases: CB Kolín app at none against Openchat's 8. CB Kolín app also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price, device support and iOS requirement 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. Openchat sells 8 in-app purchases, starting at $6.99 per 7 days. CB Kolín app asks for nothing beyond the download.

UpkeepUpdate frequency

Openchat ships an update every 3 weeks, CB Kolín app every 4 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
Openchat versus CB Kolín app: the parameters behind the verdict, then further details
ParameterOpenchatCB Kolín app
PriceFreeFree
Rating4.7 (4.6K ratings) — better—
Positive reviews81.5% of reviews—
Number of ratings4.6K — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size112 MB19 MB
Age rating12+4+
DeveloperJARVISY LTDMarek Ptacek

Bugs and requests

Openchat

Reported bugs

2 issues
  • Incompatibility with older devices
  • Charging for a free trial

Requested features

3 requests
  • Option to create documents
  • More free messages or reduced reset time
  • Dark mode option

CB Kolín app

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Openchat

Subscriptions8
  • 3-day free trial3 Days trial$6.997 Days
  • 3-day free trial3 Days trial$7.997 Days
  • AI Chat Premium Monthly1 Month trial$19.991 Month
Show 5 more
  • 3-day free trial3 Days trial$19.991 Month
  • AI Chat Premium Monthly1 Month trial$29.991 Month
  • Yearly Access$39.991 Year
  • Yearly Access$49.991 Year
  • Yearly Access$89.991 Year
None

CB Kolín app

No in-app purchases

Questions

Is Openchat free?
Openchat is free to download, with in-app purchases available.
Is CB Kolín app free?
CB Kolín app is free to download, with no in-app purchases.
Do Openchat or CB Kolín app have ads?
Openchat shows ads; CB Kolín app does not.
Which is updated more often, Openchat or CB Kolín app?
Openchat ships an update every 3 weeks, and CB Kolín app every 4 days. Most recently, Openchat was updated on November 12, 2026 and CB Kolín app on November 9, 2026.

Other comparisons