# Interview Prep vs Callback AI

The clearest difference is update cadence: Callback AI at daily against Interview Prep's fortnightly. Interview Prep's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Interview Prep sells 2 in-app purchases, starting at $6.99 per 7 days and Callback AI sells 3 in-app purchases, starting at $16.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Interview Prep ships an update fortnightly, Callback AI daily. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Interview Prep | Callback AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 64 MB | 13 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Marco Santonocito](https://appshunter.io/developer/940445653) | [Nocte Ventures Ltd](https://appshunter.io/developer/1824906600) |

## What reviewers say

### Interview Prep

[App page](https://appshunter.io/ios/app/interview-prep-finance-career/id6784305234)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Altair Weekly | $6.99 | per 7 days |
| Altair Yearly | $59.99 | per year |


### Callback AI

[App page](https://appshunter.io/ios/app/callback-ai/id6800513662)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Callback Pro Weekly | $16.99 | per 7 days |
| Callback Pro (Monthly) | $34.99 | per month |
| Callback Pro (Quarterly) | $79.99 | per 3 months |


## Frequently asked questions

### Is Interview Prep free?

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

### Is Callback AI free?

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

### Do Interview Prep or Callback AI have ads?

Neither Interview Prep nor Callback AI shows ads.

### Which is updated more often, Interview Prep or Callback AI?

Interview Prep ships an update fortnightly, and Callback AI daily. Most recently, Interview Prep was updated on October 6, 2026 and Callback AI on October 10, 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.*