# CoolG vs InterviPrep

The clearest difference is in-app purchases: CoolG at none against InterviPrep's 4. InterviPrep's advantage is iOS requirement (13.0 vs 15). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. InterviPrep sells 4 in-app purchases, starting at $0.99 per month. CoolG asks for nothing beyond the download.

CoolG ships an update every 3 weeks, InterviPrep monthly. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CoolG | InterviPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (6 ratings)](https://appshunter.io/ios/app/coolg/id1216583451/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 49 MB | 60 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CoolG Edu Solutions Private Limited](https://appshunter.io/developer/1216066825) | [SmartATS](https://appshunter.io/developer/1896079460) |

## What reviewers say

### CoolG

[App page](https://appshunter.io/ios/app/coolg/id1216583451)

This platform facilitates communication and collaboration between parents, teachers, and schools. It offers features for school management and allows parents to track their child's learning and activities. The app also includes educational articles and a space for community sharing.

**Highlights:** Parent-teacher-school communication, School management system, Track student learning and activities, View homework and classwork, Access curriculum and report cards, Read parenting and educational articles

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

**In-app purchases:** none


### InterviPrep

[App page](https://appshunter.io/ios/app/interviprep-ai-interview-prep/id6765798275)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Quarterly | $3.99 | per 3 months |
| JD Based Mock Interview | $0.99 | one-time |
| Resume Rewrite Pro | $9.99 | one-time |


## Frequently asked questions

### Is CoolG free?

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

### Is InterviPrep free?

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

### Do CoolG or InterviPrep have ads?

Neither CoolG nor InterviPrep shows ads.

### Which is updated more often, CoolG or InterviPrep?

CoolG ships an update every 3 weeks, and InterviPrep monthly. Most recently, CoolG was updated on September 22, 2026 and InterviPrep on September 25, 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.*