2 Digit Multiplication vs PASSCODES
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
2 Digit Multiplication
Master double-digit multiplication with this educational app. It provides clear methods and exercises to help users quickly learn and practice multiplying two-digit numbers.
- Learn double-digit multiplication
- Practice multiplication exercises
- Quick calculation methods
- Step-by-step examples
- Improve math skills
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Learn & Exercise How to multiply double digit numbers quickly. 19x17 (19+7)x10 + 9x7 = 323 (Method-A1) 58x58 ((5x5)+8)x100 + 8x8 = 3364 (Method-A6)
PASSCODES
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Aim for the world's number one instantaneous memory! Infinite Passcode is a super-simple game in which you simply memorize the passcode displayed on the screen and type it in. This game is perfect for activating the brain, improving memory, strengthening concentration. You can also see your memory rank in the world ranking. Please try it while you are on the move, in the middle of a boring meeting, or while waiting at the hospital!
Screenshots
Verdict
The clearest difference is price: PASSCODES at Free against 2 Digit Multiplication's $1.99. PASSCODES also leads on update cadence (every 2 months vs every 11 months). 2 Digit Multiplication's advantage is ads (none vs shown) and chart position (#192 vs unranked). On in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
PASSCODES is free to download; 2 Digit Multiplication costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
2 Digit Multiplication ships an update every 11 months, PASSCODES every 2 months. The most recent releases landed on September 11, 2026 and May 17, 2026 respectively.
| Parameter | 2 Digit Multiplication | PASSCODES |
|---|---|---|
| Price | $1.99 | Free β better |
| Positive reviews | 50.0% of reviews | β |
| Update frequency | Every 11 months | Every 2 months β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | β |
| Best chart rank | #192 β better | β |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 β better | 17.0 |
| Further details β not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuyoshi Ota | KENICHI YAMAMOTO |
In-app purchases
2 Digit Multiplication
No in-app purchases
PASSCODES
No in-app purchases
Questions
Is 2 Digit Multiplication free?
Is PASSCODES free?
Do 2 Digit Multiplication or PASSCODES have ads?
Which is updated more often, 2 Digit Multiplication or PASSCODES?
Other comparisons
