# DevPrep vs Last Days Devs

The clearest difference is update cadence: DevPrep at every 2 days against Last Days Devs's every 6 months. Last Days Devs's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DevPrep sells 5 one-off in-app purchases and Last Days Devs sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

DevPrep ships an update every 2 days, Last Days Devs every 6 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | DevPrep | Last Days Devs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 months |
| Size | 149 MB | 61 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thieu Khue](https://appshunter.io/developer/1554439862) | [Seungil Park](https://appshunter.io/developer/1852918409) |

## What reviewers say

### DevPrep

[App page](https://appshunter.io/ios/app/devprep-ai-interview-coach/id6755906092)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backend Scale pack | $9.99 | one-time |
| Data Structure & Algorithms pack | $9.99 | one-time |
| System Design pack | $9.99 | one-time |
| Frontend Engineering pack | $9.99 | one-time |
| Unlock all Pro Packs | $29.99 | one-time |


### Last Days Devs

[App page](https://appshunter.io/ios/app/last-days-devs/id6757827745)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Lifetime Access | $5.99 | one-time |


## Frequently asked questions

### Is DevPrep free?

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

### Is Last Days Devs free?

Last Days Devs is free to download, with in-app purchases available.

### Do DevPrep or Last Days Devs have ads?

Neither DevPrep nor Last Days Devs shows ads.

### Which is updated more often, DevPrep or Last Days Devs?

DevPrep ships an update every 2 days, and Last Days Devs every 6 months. Most recently, DevPrep was updated on September 24, 2026 and Last Days Devs 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.*