# Calculus 1 vs TT Pre

The clearest difference is review sentiment: Calculus 1 at 85% against TT Pre's 29%. Calculus 1 also leads on rating (4.2 vs 3.6) and update cadence (every 10 days vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculus 1 holds the better App Store score, 4.2 against 3.6. Both are backed by a comparable volume of ratings — 21 and 9 respectively. Written reviews point the same way: 85% of Calculus 1's written reviews are positive against 29% of TT Pre's.

Calculus 1 ships an update every 10 days, TT Pre every 2 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Calculus 1 | TT Pre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (21 ratings)](https://appshunter.io/ios/app/calculus-1/id1014530044/reviews)** | [3.6 (9 ratings)](https://appshunter.io/ios/app/tt-pre-calculus/id1516358298/reviews) |
| Number of ratings | **21** | 9 |
| Positive reviews | **84.6% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 18 MB | 88 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [developWay CJSC](https://appshunter.io/developer/419883414) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### Calculus 1

[App page](https://appshunter.io/ios/app/calculus-1/id1014530044)

This app provides over 280 practical calculus problems with detailed solutions and explanations. It covers key topics from first-year university calculus, helping students reinforce their learning through practice.

**Highlights:** 280+ practical calculus problems, Detailed solutions and explanations, Covers university first-year calculus topics, Increasing problem complexity, Summary of definitions and theorems, Feedback feature for user contact

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Calculus 1 free?

Calculus 1 is free to download, with no in-app purchases.

### Is TT Pre free?

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

### Which has better reviews, Calculus 1 or TT Pre?

Calculus 1 is rated higher. Calculus 1 averages 4.2 out of 5 from 21 ratings, while TT Pre averages 3.6 from 9 ratings.

### Do Calculus 1 or TT Pre have ads?

Neither Calculus 1 nor TT Pre shows ads.

### Which is updated more often, Calculus 1 or TT Pre?

Calculus 1 ships an update every 10 days, and TT Pre every 2 months. Most recently, Calculus 1 was updated on October 14, 2026 and TT Pre on October 8, 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.*