# ODE vs Calculus(Math Drills)

The clearest difference is ads: Calculus(Math Drills) at none against ODE's shown. Calculus(Math Drills) also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, 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.

ODE ships an update every 5 weeks, Calculus(Math Drills) every 3 weeks. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ODE | Calculus(Math Drills) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/calculusmath-drills/id6446335243/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 41 MB | 27 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [郷 田村](https://appshunter.io/developer/1574588679) |

## What reviewers say

### ODE

[App page](https://appshunter.io/ios/app/ode-solver-integrator/id1619296705)

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

**In-app purchases:** none


### Calculus(Math Drills)

[App page](https://appshunter.io/ios/app/calculusmath-drills/id6446335243)

Practice calculus concepts offline with automated question generation and correctness judgment. Improve your skills with unlimited drills, access tips and answers, and compete for a high score in Challenge Mode.

**Highlights:** Offline calculus learning, Automated question generation, Correctness judgment, Unlimited drill practice, Tips and answers provided, Challenge Mode with ranking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ODE free?

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

### Is Calculus(Math Drills) free?

Calculus(Math Drills) is free to download, with no in-app purchases.

### Do ODE or Calculus(Math Drills) have ads?

ODE shows ads; Calculus(Math Drills) does not.

### Which is updated more often, ODE or Calculus(Math Drills)?

ODE ships an update every 5 weeks, and Calculus(Math Drills) every 3 weeks. Most recently, ODE was updated on October 12, 2026 and Calculus(Math Drills) on October 13, 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.*