# 2 Digit Multiplication vs WAIS

The clearest difference is price: WAIS at Free against 2 Digit Multiplication's $1.99. WAIS also leads on update cadence (every 8 days vs every 11 months). 2 Digit Multiplication's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

WAIS is free to download; 2 Digit Multiplication costs $1.99 up front. WAIS sells 1 in-app purchase, starting at $2.99 per month. 2 Digit Multiplication asks for nothing beyond the download.

2 Digit Multiplication ships an update every 11 months, WAIS every 8 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | 2 Digit Multiplication | WAIS |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 1 MB | 10 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Burning Tribe](https://appshunter.io/developer/1888072646) |

## What reviewers say

### 2 Digit Multiplication

[App page](https://appshunter.io/ios/app/2-digit-multiplication/id395133470)

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.

**Highlights:** Learn double-digit multiplication, Practice multiplication exercises, Quick calculation methods, Step-by-step examples, Improve math skills

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WAIS

[App page](https://appshunter.io/ios/app/wais-4/id6763717128)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WAIS4 プレミアム | $2.99 | per month |


## Frequently asked questions

### Is 2 Digit Multiplication free?

2 Digit Multiplication costs $1.99, with no in-app purchases.

### Is WAIS free?

WAIS is free to download, with in-app purchases available.

### Do 2 Digit Multiplication or WAIS have ads?

Neither 2 Digit Multiplication nor WAIS shows ads.

### Which is updated more often, 2 Digit Multiplication or WAIS?

2 Digit Multiplication ships an update every 11 months, and WAIS every 8 days. Most recently, 2 Digit Multiplication was updated on October 25, 2026 and WAIS on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*