Comparison

Simple List vs Atlantis

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

Head to head
About

Simple List

Create and share shopping lists and checklists. Organize items with details like quantity and price, and track their status while shopping. Easily copy, move, and import/export lists via messages or XML files.

Highlights
  • Create custom lists
  • Add item details (quantity, price, store)
  • Mark items as pending or completed
  • Sort lists with various options
  • Copy/move items between lists
  • Share lists via message or XML
  • Import lists from XML
  • Offline functionality
Features
Read full description

This app helps in creating and sharing simple Shopping Lists and Checklists. You can define new lists as and when needed. A list can be used in Input mode which allows you to add items with details about quantity, price, store, etc. The list can also be used in Display mode which allows you to mark items as Pending or Completed or Not Available, to help you on the go while shopping. You can sort the list using various sort options. The app provides options to Copy an existing list into a new list or Copy/Move items from an existing list into a new list. You have got an option to share the list as a message which will be received in the messages app by the recipient. You have also got an option to share the list as a XML file attachment which the recipient can open in this app on their device. You can also import list from an XML file created by this app on some other device. A list can be printed if required. This app can work completely offline.

About

Atlantis

This AI assistant prioritizes your data privacy with on-device processing and end-to-end encryption. It helps manage daily routines, find information across files, and organize conversations, syncing seamlessly between Mac and iPhone.

Highlights
  • On-device processing for data privacy
  • End-to-end encryption
  • Sync across Mac and iPhone
  • Context control and management
  • Sub-chats for organized conversations
  • Personalized daily briefings
  • Voice and text control
Features
Read full description

We use AI to be more productive in handling daily routines. But AI is truly an effective assistant only when it understands our context and priorities. Are you comfortable giving it access to your files, email, calendar and other data for that? At Roia Labs, we built Atlantis with personal data privacy at its core, using On-Device Processing with End-to-End Encryption to keep your data yours. WHAT'S IMPORTANT TO KNOW BEFORE INSTALLING ATLANTIS The iPhone app won't work without syncing with the installed app on Mac. DISCOVER THE ADVANTAGES OF LOCAL AI • Unlimited requests since tokens are generated by your device, not third-party servers • Data privacy since all processing and storage is done on your device, not in the cloud • More relevant AI responses since it works exclusively with your data A BIT MORE ABOUT ATLANTIS FEATURES • Context control and management: Delete, edit, and add what you consider important to know • Sync across devices: Mac as home server, iPhone as portable communicator with your AI assistant • Sub-chats: No more mixing context within a single chat, branch by topics and return to previous discussions without mixing AI memory • Chat grouping: Organize chats by project or group to keep things tidy • Control with text or voice: Send requests and play back AI responses however you prefer TOOLS FOR DAILY ROUTINE OPTIMIZATION Important: Atlantis will need access to your files and services to use these features. • Get personalized briefings to set priorities for the day • Instantly find needed information across all your files • Take notes and come back to them when needed • Create reminders so you don't have to keep everything in your head • Get notified when emails that actually matter arrive SYSTEM REQUIREMENTS macOS 15 Sequoia and newer with M1 chip and newer iOS 18 and newer ABOUT DEVELOPER Roia Labs Ltd, London, United Kingdom Website: roia.io/atlantis Privacy Policy: roia.io/privacy Terms of Use: roia.io/terms For questions and feedback: support@roialabs.com

Screenshots

Simple List4 screens
Atlantis4 screens

Verdict

The call

The clearest difference is rating: Atlantis at 5.0 against Simple List's 4.0. Atlantis also leads on ads (none vs shown) and update cadence (weekly vs fortnightly). Simple List's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 18.0). On price, ratings volume 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. Atlantis sells 3 in-app purchases, starting at $14.99 per month. Simple List asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Atlantis holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Simple List ships an update fortnightly, Atlantis weekly. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Simple List versus Atlantis: the parameters behind the verdict, then further details
ParameterSimple ListAtlantis
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better18.0
Further details — not scored
Size9 MB26 MB
Age rating4+4+
DeveloperMIIN LtdRoia Labs Ltd

Customer experience

Simple List

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Atlantis

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Simple List

No in-app purchases

3 purchases

Atlantis

Subscriptions3
  • Monthly7 Days trial$14.991 Month
  • 3 Months7 Days trial$34.993 Months
  • Annual7 Days trial$99.991 Year

Questions

Is Simple List free?
Simple List is free to download, with no in-app purchases.
Is Atlantis free?
Atlantis is free to download, with in-app purchases available.
Which has better reviews, Simple List or Atlantis?
Atlantis is rated higher. Simple List averages 4.0 out of 5 from 1 ratings, while Atlantis averages 5.0 from 1 ratings.
Do Simple List or Atlantis have ads?
Simple List shows ads; Atlantis does not.
Which is updated more often, Simple List or Atlantis?
Simple List ships an update fortnightly, and Atlantis weekly. Most recently, Simple List was updated on October 9, 2026 and Atlantis on October 30, 2026.

Other comparisons