# DevPrep vs Swifl

The clearest difference is in-app purchases: Swifl at none against DevPrep's 1. Swifl also leads on ads (none vs shown). DevPrep's advantage is update cadence (every 2 days vs every 2 months) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. DevPrep sells 1 in-app purchase, starting at $2.99 per 6 months. Swifl asks for nothing beyond the download.

DevPrep ships an update every 2 days, Swifl every 2 months. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DevPrep | Swifl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 49 MB | 18 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksei Yelin](https://appshunter.io/developer/1502827500) | [Tunde Timea Bartha](https://appshunter.io/developer/1731109217) |

## What reviewers say

### DevPrep

[App page](https://appshunter.io/ios/app/devprep-coding-interview/id1527624816)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full access | $2.99 | per 6 months |


### Swifl

[App page](https://appshunter.io/ios/app/swifl/id6746770275)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DevPrep free?

DevPrep is free to download, with in-app purchases available.

### Is Swifl free?

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

### Do DevPrep or Swifl have ads?

DevPrep shows ads; Swifl does not.

### Which is updated more often, DevPrep or Swifl?

DevPrep ships an update every 2 days, and Swifl every 2 months. Most recently, DevPrep was updated on October 22, 2026 and Swifl on October 5, 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.*