# Arithmetic HD vs First grade Math

The clearest difference is update cadence: Arithmetic HD at every 9 months against First grade Math's every 28 months. Arithmetic HD also leads on price ($1.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Arithmetic HD costs $1.99 and First grade Math $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Arithmetic HD ships an update every 9 months, First grade Math every 28 months. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Arithmetic HD | First grade Math |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 28 months |
| Size | 17 MB | 18 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kostakov Maxim](https://appshunter.io/developer/524964352) | [Sergey Malugin](https://appshunter.io/developer/562782409) |

## What reviewers say

### Arithmetic HD

[App page](https://appshunter.io/ios/app/arithmetic-hd/id686967632)

**Features:** macOS Compatibility

**In-app purchases:** none


### First grade Math

[App page](https://appshunter.io/ios/app/first-grade-math-subtraction/id1271513744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetic HD free?

Arithmetic HD costs $1.99, with no in-app purchases.

### Is First grade Math free?

First grade Math costs $2.99, with no in-app purchases.

### Do Arithmetic HD or First grade Math have ads?

Neither Arithmetic HD nor First grade Math shows ads.

### Which is updated more often, Arithmetic HD or First grade Math?

Arithmetic HD ships an update every 9 months, and First grade Math every 28 months. Most recently, Arithmetic HD was updated on September 13, 2026 and First grade Math on September 8, 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.*