# Asap Calculus vs TT Pre

The clearest difference is rating: Asap Calculus at 4.2 against TT Pre's 3.6. Asap Calculus also leads on review sentiment (60% vs 29%) and ratings volume (87 vs 9). TT Pre's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Asap Calculus sells 1 one-off in-app purchase. TT Pre asks for nothing beyond the download.

Asap Calculus holds the better App Store score, 4.2 against 3.6. That said, the two scores are not equally well evidenced: Asap Calculus has 87 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 60% of Asap Calculus's written reviews are positive against 29% of TT Pre's.

Asap Calculus ships an update every 3 months, TT Pre every 2 months. The most recent releases landed on September 13, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Asap Calculus | TT Pre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (87 ratings)](https://appshunter.io/ios/app/asap-calculus/id1271201984/reviews)** | [3.6 (9 ratings)](https://appshunter.io/ios/app/tt-pre-calculus/id1516358298/reviews) |
| Number of ratings | **87** | 9 |
| Positive reviews | **60.0% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 88 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Hassan Aljanahi](https://appshunter.io/developer/1219637605) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### Asap Calculus

[App page](https://appshunter.io/ios/app/asap-calculus/id1271201984)

Learn calculus concepts and problem-solving techniques rapidly. This app offers shortcuts to tackle difficult problems instantly, covering both college-level and AP Calculus curricula.

**Highlights:** Learn calculus quickly and efficiently, Discover problem-solving shortcuts, Solve hard problems instantly, Covers college and AP Calculus

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $0.99 | one-time |


### TT Pre

[App page](https://appshunter.io/ios/app/tt-pre-calculus/id1516358298)

This educational app provides comprehensive pre-calculus lessons and practice problems. It features audiovisual lectures, automated grading, and step-by-step explanations to help students learn independently. Parental controls allow progress tracking, and the digitized textbook is searchable.

**Highlights:** 95 audiovisual lectures, Thousands of practice problems, Automated grading and instant feedback, Step-by-step audiovisual explanations, Parental progress tracking, Digitized textbook with search

**In-app purchases:** none


## Frequently asked questions

### Is Asap Calculus free?

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

### Is TT Pre free?

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

### Which has better reviews, Asap Calculus or TT Pre?

Asap Calculus is rated higher. Asap Calculus averages 4.2 out of 5 from 87 ratings, while TT Pre averages 3.6 from 9 ratings.

### Do Asap Calculus or TT Pre have ads?

Neither Asap Calculus nor TT Pre shows ads.

### Which is updated more often, Asap Calculus or TT Pre?

Asap Calculus ships an update every 3 months, and TT Pre every 2 months. Most recently, Asap Calculus was updated on September 13, 2026 and TT Pre on September 11, 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.*