Calisto vs Database
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calisto
This app simplifies calculations with a two-column list format, eliminating the need for complex spreadsheet formulas. It offers predefined actions like Sum and Percent, allowing users to easily create invoices or track expenses. Lists can be exported to PDF or JSON.
- Formula-less calculation with Action rows
- Real-time spreadsheet calculation
- Export lists to PDF and JSON
- Clone list structures (PRO)
- Drag and drop row organization
- Custom app icons (PRO)
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Calisto is a two column list calculator app with many use cases. Be that keeping track of your monthly expenses or creating an invoice for your orders. Calisto is perfect for people who don't know or don't want to bother with complex spreadsheet formulas for simple calculation. The app provides predefined "Action" rows like Sum, Subtract, Percent, Multiplication, and Division. Just select the rows you want, the action to be performed on, and the app will do the rest for you. It is really that easy. The app features: - Formula-less calculation thanks to Action rows - Spreadsheet like realtime calculation - Connect Action rows with each other to create complex calculation - Export the list to PDF: Create a quick invoice or share your monthly budget with friends - Export the list as JSON file. - Clone an existing list structure: use a list as template (PRO) - Option to show row number - Data rows with description - Drag and drop rows for easier organization - Spacer and Header rows to customize your own layout - Custom app icons (PRO) and many more. The app is easy to use and the free version is very generously featured. Consider purchasing the full Pro version if you want to support the app development. The Pro version is perpetual. If you have any question, suggestions, or complaints, feel free to reach me dev@faisalbin.com Calisto is made with love in Munich.
Database
This app allows you to create custom databases on your mobile device to organize various types of information. It supports numerous data types and offers features for easy data entry and management, suitable for personal or small business use.
- Customizable data tables
- Effortless data entry
- Support for over 10 data types
- Card view for data presentation
- Versatile use cases
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PocketDB transforms your mobile device into a powerful personal database, enabling you to store, organise, and access all your essential information on the go. Whether you're managing a collection, tracking personal projects, or simply keeping detailed lists, PocketDB puts the power of data management right at your fingertips. Features: - Customisable Data Tables: Create tables for anything from your book collection to your fitness progress. - Effortless Data Entry: Add, edit, and delete records with ease. - More than 10 data types including text, numbers, dates, and even custom selection pickers. - Card view Use cases: - Personal Inventory Management: Track belongings with details like warranty, condition, and value. - Fitness and Health Tracking: Log workouts and diet, tracking fitness goals and health data. - Event Planning: Manage details for events, including guest lists, budgets, and schedules. - Learning and Education: Organise study materials, track assignments, and monitor educational progress. - Hobby Collections: Catalog items in collections, detailing origin, condition, and value. - Small Business Inventory: Manage product details, stock levels, and supplier information for businesses. - Freelance Project Management: Keep tabs on projects, client details, deadlines, and payments. - Real Estate Management: Organise listings, client details, and appointments for real estate activities. - Educational Tools for Teachers: Maintain detailed records on student performance and lesson plans. - Group Travel Planning: Coordinate trip details, including itineraries and budgets, among group members. - Community Organisations: Manage memberships, events, and volunteer tasks for clubs or community groups. - Research Projects: Collaborate on projects with shared databases for data collection and literature reviews. - Writing and Publishing: Track submissions, publications, and feedback for written works. - Artwork Portfolio Management: Catalog artworks with comprehensive details on exhibitions and sales. - Recipe Database: Compile and share recipes, including ingredients, instructions, and photos. - Budget Tracking: Monitor personal finances, including income, expenses, and savings. - Investment Portfolio: Track personal investments, stock performance, and financial trends. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/thirtynineapps-privacy/home
Screenshots
Verdict
The clearest difference is review sentiment: Calisto at 100% against Database's 20%. Calisto also leads on rating (5.0 vs 2.8). Database's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 3 weeks). 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
Both are free to download. Calisto sells 1 one-off in-app purchase. Database asks for nothing beyond the download.
Calisto holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 100% of Calisto's written reviews are positive against 20% of Database's.
Calisto ships an update every 3 weeks, Database daily. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.
| Parameter | Calisto | Database |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 2.8 (5 ratings) |
| Positive reviews | 100.0% of reviews — better | 20.0% of reviews |
| Number of ratings | 3 | 5 — better |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohammad Faisal Bin Ahmed | LEAP STUDIO |
Customer experience
Calisto
Database
In-app purchases
Calisto
- List Calculation Full$4.99
Database
No in-app purchases









