# 九九 vs Division Sticker Book

The clearest difference is ads: Division Sticker Book at none against 九九's shown. Division Sticker Book also leads on update cadence (every 4 days vs every 5 months). 九九's advantage is iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 九九 sells 1 one-off in-app purchase and Division Sticker Book sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

九九 ships an update every 5 months, Division Sticker Book every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 九九 | Division Sticker Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/easy/id1611285814/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 8 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [Motohiro Ishii](https://appshunter.io/developer/6786572538) |

## What reviewers say

### 九九

[App page](https://appshunter.io/ios/app/easy/id1611285814)

This app offers a comprehensive multiplication and word problem learning experience with randomized practice questions. It includes a review mode for incorrect answers and is free to use with optional ad removal via in-app purchase.

**Highlights:** Randomized multiplication problems, Word problem practice, Review mode for incorrect answers, Calendar feature, Name and icon display for submissions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 九九アプリバナー広告非表示 | $1.99 | one-time |


### Division Sticker Book

[App page](https://appshunter.io/ios/app/division-sticker-book/id6790085119)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Finishing Pack | $1.99 | one-time |


## Frequently asked questions

### Is 九九 free?

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

### Is Division Sticker Book free?

Division Sticker Book is free to download, with in-app purchases available.

### Do 九九 or Division Sticker Book have ads?

九九 shows ads; Division Sticker Book does not.

### Which is updated more often, 九九 or Division Sticker Book?

九九 ships an update every 5 months, and Division Sticker Book every 4 days. Most recently, 九九 was updated on November 3, 2026 and Division Sticker Book on October 31, 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.*