# ODE vs Swiftlet

The clearest difference is ads: Swiftlet at none against ODE's shown. Swiftlet also leads on update cadence (every 8 days vs every 5 weeks). ODE's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement 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, Swiftlet every 8 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ODE | Swiftlet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Size | 41 MB | 40 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Tame Bickel](https://appshunter.io/developer/6809779184) |

## What reviewers say

### ODE

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Swiftlet

[App page](https://appshunter.io/ios/app/swiftlet-learn-to-code/id6809779182)

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

**In-app purchases:** none


## Frequently asked questions

### Is ODE free?

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

### Is Swiftlet free?

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

### Do ODE or Swiftlet have ads?

ODE shows ads; Swiftlet does not.

### Which is updated more often, ODE or Swiftlet?

ODE ships an update every 5 weeks, and Swiftlet every 8 days. Most recently, ODE was updated on October 12, 2026 and Swiftlet on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*