Simple Factors vs DigiChess
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Factors
This app helps users understand numbers by providing their factors and checking for primality or divisibility. It offers a straightforward interface for quick calculations up to 10 trillion.
- Calculates factors of numbers
- Checks for primality
- Determines divisibility
- Supports numbers up to 10 trillion
- Simple, menu-free interface
Read full descriptionHide full description
Whether you need help with math or just like playing with numbers, Simple Factors is for you! Gives the factors of numbers up to 10 trillion! Helps you know if a number is prime, divisible by another number, etc. No menus to slow you down...simply open and use! Jesus loves you!
DigiChess
Instantly convert chess board images into interactive digital representations. An AI recognizes pieces, eliminating manual setup and saving preparation time. Export positions to analysis engines or popular chess platforms.
- Image to digital board conversion
- AI piece recognition
- FEN description generation
- Save and edit positions
- Export to Lichess/Chess.com
Read full descriptionHide full description
DigiChess will let you instantly transform a picture taken of a 2D position into a dynamic representation on the screen. The trained AI will recognize all the pieces for you and accurately place them on the board, eliminating the need for any manual setup. Cut out all the preparation time and get straight to the material that follows a diagram! - Take a picture of the board and the position comes to life instantly - Makes use of an AI to quickly and accurately recognize all the pieces - Easily export the positions into analysis engines and studies through the FEN description generated by the AI - Save the positions for future reference - Make changes and corrections to the positions - tweak the playing perspective and piece types - One button export to Lichess or Chess.com analysis.
Screenshots
Verdict
The clearest difference is price: DigiChess at Free against Simple Factors's $0.99. DigiChess also leads on update cadence (every 8 months vs every 20 months). Simple Factors's advantage is in-app purchases (none vs 1). On review sentiment, ads, monetization model 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
DigiChess is free to download; Simple Factors costs $0.99 up front. DigiChess sells 1 one-off in-app purchase. Simple Factors asks for nothing beyond the download.
Simple Factors ships an update every 20 months, DigiChess every 8 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | Simple Factors | DigiChess |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | — |
| Update frequency | Every 20 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Joseph Palmer | Solnatrix Inc. |
Customer experience
Simple Factors
DigiChess
In-app purchases
Simple Factors
No in-app purchases
DigiChess
- DigiChess Premium No Advertisements$7.99
Questions
Is Simple Factors free?
Is DigiChess free?
Do Simple Factors or DigiChess have ads?
Which is updated more often, Simple Factors or DigiChess?
Other comparisons
