# Keystone Alg I Practice Tests vs BigFuture School

The clearest difference is review sentiment: Keystone Alg I Practice Tests at 80% against BigFuture School's 28%. Keystone Alg I Practice Tests also leads on device support (3 vs 1) and iOS requirement (8.0 vs 17.1). BigFuture School's advantage is price (Free vs $0.99) and rating (4.6 vs 2.0). On ads and in-app purchases there is nothing between them.

BigFuture School is free to download; Keystone Alg I Practice Tests costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BigFuture School holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: BigFuture School has 19K ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 80% of Keystone Alg I Practice Tests's written reviews are positive against 28% of BigFuture School's, so the app with the better star average is not the one people write more warmly about.

Keystone Alg I Practice Tests ships an update every 2 months, BigFuture School monthly. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Keystone Alg I Practice Tests | BigFuture School |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (7 ratings)](https://appshunter.io/ios/app/keystone-alg-i-practice-tests/id795334519/reviews) | **[4.6 (19K ratings)](https://appshunter.io/ios/app/bigfuture-school/id6462904878/reviews)** |
| Number of ratings | 7 | **19K** |
| Positive reviews | **80.0% of reviews** | 28.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#33** |
| Size | 27 MB | 25 MB |
| Requires iOS | **8.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iPREPpress LLC](https://appshunter.io/developer/390888386) | [The College Board](https://appshunter.io/developer/361264757) |

## What reviewers say

### Keystone Alg I Practice Tests

[App page](https://appshunter.io/ios/app/keystone-alg-i-practice-tests/id795334519)

Prepare for your Algebra I exam with realistic practice tests. This app offers 120 multiple-choice questions across two tests, complete solutions, and helpful tools like a calculator and formula sheet to boost your confidence.

**Highlights:** 120 multiple-choice questions, Two practice tests with modules, Complete solutions provided, Formula sheet and calculator, Question navigator and flagging, Scoring with estimated Keystone score, Optional timer for time management

**Features:** macOS Compatibility

**In-app purchases:** none


### BigFuture School

[App page](https://appshunter.io/ios/app/bigfuture-school/id6462904878)

**Currently charting:** #33 Top Free · Education (US App Store)

This app provides students with access to their test scores and personalized college and career information. It helps users plan and pay for college, and connects them with potential scholarship programs. Access requires a mobile number provided during a qualifying test.

**Highlights:** Access test scores, Connect with colleges and scholarships, Personalized career information, College planning and payment guidance

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful information and resources
- 🚀 Straightforward navigation

**What reviewers complain about**

- 🐛 Login issues
- 🐛 Scores not showing up
- 🐛 Compatibility problems
- 🐛 Unresponsive customer support

**Reported bugs**

- Multiple accounts linked to one phone number
- Recovery email not working
- Scores not syncing between app and website

**Requested features**

- Ability to change phone number
- Better integration with College Board website
- More customization options
- Faster score reporting


## Frequently asked questions

### Is Keystone Alg I Practice Tests free?

Keystone Alg I Practice Tests costs $0.99, with no in-app purchases.

### Is BigFuture School free?

BigFuture School is free to download, with no in-app purchases.

### Which has better reviews, Keystone Alg I Practice Tests or BigFuture School?

BigFuture School is rated higher. Keystone Alg I Practice Tests averages 2.0 out of 5 from 7 ratings, while BigFuture School averages 4.6 from 19K ratings.

### Do Keystone Alg I Practice Tests or BigFuture School have ads?

Neither Keystone Alg I Practice Tests nor BigFuture School shows ads.

### Which is updated more often, Keystone Alg I Practice Tests or BigFuture School?

Keystone Alg I Practice Tests ships an update every 2 months, and BigFuture School monthly. Most recently, Keystone Alg I Practice Tests was updated on September 26, 2026 and BigFuture School on October 2, 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.*