Comparison

D/4AM vs Open Chat

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

Head to head
About

D/4AM

This application streamlines on-site plant maintenance by integrating with SAP PM. It offers a user-friendly platform for managing tasks, enhanced by conversational AI and multimodal inputs for frontline workers.

Highlights
  • Real-time plant maintenance management
  • SAP PM integration
  • Intuitive user interface
  • Conversational AI
  • Multimodal inputs
  • Task management platform
Features
Read full description

Datch for Asset Management (D/4AM) revolutionizes frontline work by enabling real-time, on-site plant maintenance management. D/4AM effortlessly integrates with SAP PM through an intuitive interface that anyone can use. With a strong focus on user experience, D/4AM offers maintenance teams a central platform for managing tasks, powered by conversational AI and multimodal inputs to enhance daily operations.

About

Open Chat

Engage in dynamic conversations with an advanced AI chatbot. This application offers instant, informative, and fun interactions on a vast array of subjects, with continuously improving algorithms for a natural experience.

Highlights
  • Write essays and emails
  • Translate and practice languages
  • Homework assistance
  • Content rewriting
  • Recipe generation
  • Idea brainstorming
  • Information retrieval
Features
Read full description

Ask chat AI to write anything and get instant answers. Chat with the most advanced chat AI app. It is designed to provide users with an unparalleled chatbot experience that is engaging, fun, and informative at the same time. This app is able to understand and engage with you on a wide range of topics, from current events to personal thoughts and feelings. CHAT AI's algorithms are constantly learning and improving, so you can have more natural and enjoyable conversations over time. How to use: Chat AI is simple to use you just type in your message and receive a response. No complicated setup or training is required. Features: - Write Essays, emails, and more - Translate and practice languages - Does your Homework - Re-write any type of text - Find cooking recipes - Brainstorm new ideas - Information retrieval - Create new content - Create business models - Question answering - Personalized experience - Open Chatbot AI recommendations - Test the latest prompt recommendations you’ll find on the internet Terms of use: https://multiverseapps.org/terms.html Privacy policy: https://multiverseapps.org/privacy-policy.html Have questions or suggestions? Don't hesitate to contact us.

Screenshots

D/4AM4 screens
Open Chat3 screens

Verdict

The call

The clearest difference is rating: D/4AM at 5.0 against Open Chat's 3.7. D/4AM also leads on in-app purchases (none vs 4). Open Chat's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (13.0 vs 15.5). On price, ratings volume, ads and device support 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. Open Chat sells 4 in-app purchases, starting at $4.99 per 7 days. D/4AM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

D/4AM holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

UpkeepUpdate frequency

D/4AM ships an update every 3 weeks, Open Chat every 5 days. The most recent releases landed on August 3, 2026 and August 12, 2026 respectively.

Scorecard5 real differences · 5 level
D/4AM versus Open Chat: the parameters behind the verdict, then further details
ParameterD/4AMOpen Chat
PriceFreeFree
Rating5.0 (7 ratings) — better3.7 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings7 — better3
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size68 MB13 MB
Age rating4+4+
DeveloperDatch Inc.Multiverse

Customer experience

D/4AM

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Open Chat

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

D/4AM

No in-app purchases

4 purchases

Open Chat

Subscriptions3
  • Weekly$4.997 Days
  • Monthly Promo$6.991 Month
  • Monthly$9.991 Month
One-time1
  • Lifetime$39.99

Questions

Is D/4AM free?
D/4AM is free to download, with no in-app purchases.
Is Open Chat free?
Open Chat is free to download, with in-app purchases available.
Which has better reviews, D/4AM or Open Chat?
D/4AM is rated higher. D/4AM averages 5.0 out of 5 from 7 ratings, while Open Chat averages 3.7 from 3 ratings.
Do D/4AM or Open Chat have ads?
Neither D/4AM nor Open Chat shows ads.
Which is updated more often, D/4AM or Open Chat?
D/4AM ships an update every 3 weeks, and Open Chat every 5 days. Most recently, D/4AM was updated on August 3, 2026 and Open Chat on August 12, 2026.

Other comparisons