# HyakuRenZan vs Fast100Math

The clearest difference is update cadence: Fast100Math at every 3 days against HyakuRenZan's every 23 months. HyakuRenZan's advantage is iOS requirement (6.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HyakuRenZan ships an update every 23 months, Fast100Math every 3 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HyakuRenZan | Fast100Math |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 9 MB | 31 MB |
| Requires iOS | **6.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [marge co., ltd.](https://appshunter.io/developer/331850369) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## 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


### Fast100Math

[App page](https://appshunter.io/ios/app/fast100math/id6739807220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HyakuRenZan free?

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

### Is Fast100Math free?

Fast100Math is free to download, with no in-app purchases.

### Do HyakuRenZan or Fast100Math have ads?

Neither HyakuRenZan nor Fast100Math shows ads.

### Which is updated more often, HyakuRenZan or Fast100Math?

HyakuRenZan ships an update every 23 months, and Fast100Math every 3 days. Most recently, HyakuRenZan was updated on November 1, 2026 and Fast100Math on October 28, 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.*