# ISAT vs Flutter Interview Prep

The clearest difference is update cadence: Flutter Interview Prep at every 3 days against ISAT's every 3 weeks. ISAT's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ISAT sells 3 one-off in-app purchases and Flutter Interview Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ISAT ships an update every 3 weeks, Flutter Interview Prep every 3 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ISAT | Flutter Interview Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 53 MB | 48 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Akmi Labs Pty Ltd](https://appshunter.io/developer/1601400139) | [Shehan Niwanthaka Daluwathumulla Gamage](https://appshunter.io/developer/6798239210) |

## What reviewers say

### ISAT

[App page](https://appshunter.io/ios/app/isat-student-admissions-test/id6747275106)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Day Premium Access | $19.99 | one-time |
| 90 Day Premium Access | $22.99 | one-time |
| 180 Day Premium Access | $24.99 | one-time |


### Flutter Interview Prep

[App page](https://appshunter.io/ios/app/flutter-interview-prep/id6803054495)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LIfetime Access | $9.99 | one-time |


## Frequently asked questions

### Is ISAT free?

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

### Is Flutter Interview Prep free?

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

### Do ISAT or Flutter Interview Prep have ads?

Neither ISAT nor Flutter Interview Prep shows ads.

### Which is updated more often, ISAT or Flutter Interview Prep?

ISAT ships an update every 3 weeks, and Flutter Interview Prep every 3 days. Most recently, ISAT was updated on October 27, 2026 and Flutter Interview Prep on October 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.*