# DropStep + ByTalk vs Number line matching

The clearest difference is in-app purchases: Number line matching at none against DropStep + ByTalk's 2. DropStep + ByTalk's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. DropStep + ByTalk sells 2 in-app purchases, starting at $2.99 per month. Number line matching asks for nothing beyond the download.

DropStep + ByTalk ships an update weekly, Number line matching every 9 days. The most recent releases landed on May 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | DropStep + ByTalk | Number line matching |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Size | 87 MB | 82 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BAIT AL-HIKMA Co., Ltd.](https://appshunter.io/developer/551541624) | [kenta yamada](https://appshunter.io/developer/1698424335) |

## What reviewers say

### DropStep + ByTalk

[App page](https://appshunter.io/ios/app/dropstep-plus-bytalk/id1543322209)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ￥300/月でサブスクリプション登録 | $2.99 | per month |
| ￥3000/年でサブスクリプション登録 | $27.49 | per year |


### Number line matching

[App page](https://appshunter.io/ios/app/number-line-matching/id6472777849)

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

**In-app purchases:** none


## Frequently asked questions

### Is DropStep + ByTalk free?

DropStep + ByTalk is free to download, with in-app purchases available.

### Is Number line matching free?

Number line matching is free to download, with no in-app purchases.

### Do DropStep + ByTalk or Number line matching have ads?

Number line matching shows ads; DropStep + ByTalk does not.

### Which is updated more often, DropStep + ByTalk or Number line matching?

DropStep + ByTalk ships an update weekly, and Number line matching every 9 days. Most recently, DropStep + ByTalk was updated on May 16, 2026 and Number line matching on September 20, 2026.

---

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