Openchat vs CB Kolín app
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
CB Kolín app
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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
Verdict
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
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.
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.
| Parameter | Openchat | CB Kolín app |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4.6K ratings) — better | — |
| Positive reviews | 81.5% of reviews | — |
| Number of ratings | 4.6K — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 112 MB | 19 MB |
| Age rating | 12+ | 4+ |
| Developer | JARVISY LTD | Marek 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
Openchat
- 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
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- 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
CB Kolín app
No in-app purchases









