# CLT Classic Learning Test Prep vs 1600 SAT Prep

The clearest difference is price: CLT Classic Learning Test Prep at Free against 1600 SAT Prep's $29.99. CLT Classic Learning Test Prep also leads on iOS requirement (15.1 vs 17.0). 1600 SAT Prep's advantage is in-app purchases (none vs 9) and update cadence (every 3 weeks vs every 9 months). On ads and device support there is nothing between them.

CLT Classic Learning Test Prep is free to download; 1600 SAT Prep costs $29.99 up front. CLT Classic Learning Test Prep sells 9 in-app purchases, starting at $8.99 per 7 days. 1600 SAT Prep asks for nothing beyond the download.

CLT Classic Learning Test Prep ships an update every 9 months, 1600 SAT Prep every 3 weeks. The most recent releases landed on October 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CLT Classic Learning Test Prep | 1600 SAT Prep |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 53 MB | 25 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Kathryn Halterman](https://appshunter.io/developer/1879154277) |

## What reviewers say

### CLT Classic Learning Test Prep

[App page](https://appshunter.io/ios/app/clt-classic-learning-test-prep/id6747591017)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CLT Weekly Full Access | $8.99 | per 7 days |
| CLT Monthly Full Access | $24.99 | per month |
| CLT Monthly Full Access | $34.99 | per month |
| CLT Quarterly Full Access | $55.99 | per 3 months |
| CLT Quarterly Full Access | $59.99 | per 3 months |
| CLT Semiannual Full Access | $75.99 | per 6 months |
| CLT Semiannual Full Access | $79.99 | per 6 months |
| CLT Annual Full Access | $109.99 | per year |
| CLT Annual Full Access | $119.99 | per year |


### 1600 SAT Prep

[App page](https://appshunter.io/ios/app/1600-sat-prep/id6781121077)

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

**In-app purchases:** none


## Frequently asked questions

### Is CLT Classic Learning Test Prep free?

CLT Classic Learning Test Prep is free to download, with in-app purchases available.

### Is 1600 SAT Prep free?

1600 SAT Prep costs $29.99, with no in-app purchases.

### Do CLT Classic Learning Test Prep or 1600 SAT Prep have ads?

Neither CLT Classic Learning Test Prep nor 1600 SAT Prep shows ads.

### Which is updated more often, CLT Classic Learning Test Prep or 1600 SAT Prep?

CLT Classic Learning Test Prep ships an update every 9 months, and 1600 SAT Prep every 3 weeks. Most recently, CLT Classic Learning Test Prep was updated on October 9, 2026 and 1600 SAT Prep on September 17, 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.*