# Math Galaxy 8th Grade Math vs ODE

The clearest difference is price: ODE at $1.99 against Math Galaxy 8th Grade Math's $12.99. ODE also leads on update cadence (monthly vs every 7 months). Math Galaxy 8th Grade Math's advantage is iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Math Galaxy 8th Grade Math costs $12.99 and ODE $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Galaxy 8th Grade Math ships an update every 7 months, ODE monthly. The most recent releases landed on May 17, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Math Galaxy 8th Grade Math | ODE |
| --- | --- | --- |
| Price | $12.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Size | 542 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gilbert Reilly](https://appshunter.io/developer/500490521) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### Math Galaxy 8th Grade Math

[App page](https://appshunter.io/ios/app/math-galaxy-8th-grade-math/id998383044)

**Features:** macOS Compatibility

**In-app purchases:** none


### ODE

[App page](https://appshunter.io/ios/app/ode-solver-integrator-pro/id1619296409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Galaxy 8th Grade Math free?

Math Galaxy 8th Grade Math costs $12.99, with no in-app purchases.

### Is ODE free?

ODE costs $1.99, with no in-app purchases.

### Do Math Galaxy 8th Grade Math or ODE have ads?

Neither Math Galaxy 8th Grade Math nor ODE shows ads.

### Which is updated more often, Math Galaxy 8th Grade Math or ODE?

Math Galaxy 8th Grade Math ships an update every 7 months, and ODE monthly. Most recently, Math Galaxy 8th Grade Math was updated on May 17, 2026 and ODE on August 16, 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.*