# WordDex vs 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル

The clearest difference is in-app purchases: 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル at none against WordDex's 4. 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. WordDex sells 4 in-app purchases, starting at $2.49 per 7 days. 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル asks for nothing beyond the download.

WordDex ships an update weekly, 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル every 5 days. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | WordDex | 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Size | 257 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luis Nikolai Ostonal](https://appshunter.io/developer/1841056881) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### WordDex

[App page](https://appshunter.io/ios/app/worddex/id6752800274)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.49 | per 7 days |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $37.99 | per year |
| 30 Credits | $0.99 | one-time |


### 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル

[App page](https://appshunter.io/ios/app/123/id6801984949)

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

**In-app purchases:** none


## Frequently asked questions

### Is WordDex free?

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

### Is 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル free?

中学数学 中1中2中3の苦手をさかのぼって解き直すドリル is free to download, with no in-app purchases.

### Do WordDex or 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル have ads?

WordDex shows ads; 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル does not.

### Which is updated more often, WordDex or 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル?

WordDex ships an update weekly, and 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル every 5 days. Most recently, WordDex was updated on September 29, 2026 and 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル on September 21, 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.*