# SAT Prep & Test vs QuantumKamil

The clearest difference is update cadence: QuantumKamil at every 4 days against SAT Prep & Test's every 8 months. SAT Prep & Test's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SAT Prep & Test sells 3 in-app purchases, starting at $4.99 per month and QuantumKamil sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SAT Prep & Test ships an update every 8 months, QuantumKamil every 4 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | SAT Prep & Test | QuantumKamil |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Size | 70 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [学勇 张](https://appshunter.io/developer/590340880) | [Paride Di Lazzaro](https://appshunter.io/developer/6787651798) |

## What reviewers say

### SAT Prep & Test

[App page](https://appshunter.io/ios/app/sat-prep-and-test/id6451091204)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY | $4.99 | per month |
| 3 MONTHS | $9.99 | per 3 months |
| YEARLY | $19.99 | per year |


### QuantumKamil

[App page](https://appshunter.io/ios/app/quantumkamil/id6794596980)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $0.99 | one-time |
| Medium tip | $2.99 | one-time |
| Large tip | $3.99 | one-time |
| Extra tip | $8.99 | one-time |


## Frequently asked questions

### Is SAT Prep & Test free?

SAT Prep & Test is free to download, with in-app purchases available.

### Is QuantumKamil free?

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

### Do SAT Prep & Test or QuantumKamil have ads?

Neither SAT Prep & Test nor QuantumKamil shows ads.

### Which is updated more often, SAT Prep & Test or QuantumKamil?

SAT Prep & Test ships an update every 8 months, and QuantumKamil every 4 days. Most recently, SAT Prep & Test was updated on October 27, 2026 and QuantumKamil on October 27, 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.*