# HyakuRenZan vs Speed Math Drill

The clearest difference is in-app purchases: HyakuRenZan at none against Speed Math Drill's 1. HyakuRenZan also leads on ads (none vs shown) and iOS requirement (6.0 vs 15.0). Speed Math Drill's advantage is update cadence (every 2 weeks vs every 23 months). On price and device support there is nothing between them.

Both are free to download. Speed Math Drill sells 1 one-off in-app purchase. HyakuRenZan asks for nothing beyond the download.

HyakuRenZan ships an update every 23 months, Speed Math Drill every 2 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HyakuRenZan | Speed Math Drill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/hyakurenzan/id484882923/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 41 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [marge co., ltd.](https://appshunter.io/developer/331850369) | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) |

## What reviewers say

### HyakuRenZan

[App page](https://appshunter.io/ios/app/hyakurenzan/id484882923)

This app trains concentration, reaction, and calculation skills through a number-based puzzle game. Players solve puzzles by arranging numbers vertically and horizontally, with various modes and difficulty levels to challenge their abilities. Track your progress and compete globally.

**Highlights:** Concentration, reaction, and calculation training, Number arrangement puzzles, Multiple game modes (addition, subtraction, multiplication), Adjustable difficulty levels, Real-time calculation speed feedback, Visual progress tracking with graphs, Global leaderboards via GameCenter

**Features:** macOS Compatibility

**In-app purchases:** none


### Speed Math Drill

[App page](https://appshunter.io/ios/app/speed-math-drill-mental-math/id6761619388)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


## Frequently asked questions

### Is HyakuRenZan free?

HyakuRenZan is free to download, with no in-app purchases.

### Is Speed Math Drill free?

Speed Math Drill is free to download, with in-app purchases available.

### Do HyakuRenZan or Speed Math Drill have ads?

Speed Math Drill shows ads; HyakuRenZan does not.

### Which is updated more often, HyakuRenZan or Speed Math Drill?

HyakuRenZan ships an update every 23 months, and Speed Math Drill every 2 weeks. Most recently, HyakuRenZan was updated on November 1, 2026 and Speed Math Drill 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.*