# G1 Simulator & Study Guide vs Centennial College Mobile

The clearest difference is review sentiment: G1 Simulator & Study Guide at 82% against Centennial College Mobile's 0%. G1 Simulator & Study Guide also leads on iOS requirement (14.0 vs 18.0). Centennial College Mobile's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. G1 Simulator & Study Guide sells 1 one-off in-app purchase. Centennial College Mobile asks for nothing beyond the download.

G1 Simulator & Study Guide ships an update monthly, Centennial College Mobile every 2 weeks. The most recent releases landed on October 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | G1 Simulator & Study Guide | Centennial College Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (456 ratings)](https://appshunter.io/ios/app/g1-simulator-and-study-guide/id1635383156/reviews)** | — |
| Number of ratings | **456** | — |
| Positive reviews | **81.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 20 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [novice2pro Inc.](https://appshunter.io/developer/1635383158) | [Centennial College](https://appshunter.io/developer/918647700) |

## What reviewers say

### G1 Simulator & Study Guide

[App page](https://appshunter.io/ios/app/g1-simulator-and-study-guide/id1635383156)

Prepare for your Ontario G1 driver's license exam with over 400 practice questions and a realistic exam simulator. Study road signs, fines, and limits, track your progress, and identify areas for improvement. An optional premium version removes ads.

**Highlights:** 400+ exam-like practice questions, Realistic G1 exam simulation, Study road signs, fines, and limits, Mistake tracking for review, Progress and test date tracking, Ad-free premium upgrade

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |

**What reviewers like**

- 🚀 Excellent app
- 🚀 Passed first attempt
- 🚀 Passed with high score
- 🚀 Passed on first try
- 🚀 Passed with flying colors

**What reviewers complain about**

- 🐛 Ads freeze entire app
- 🐛 Feedback when wrong needed
- 🐛 Inconsistent scoring
- 🐛 Confusing question wording
- 🐛 Repeated questions with different answers

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- App doesn't open

**Requested features**

- Add restart button for practice tests
- Reduce ads during practice tests
- No ads during mock tests
- Update app with new rules (e.g. property damage threshold)
- Translate to more languages


### Centennial College Mobile

[App page](https://appshunter.io/ios/app/centennial-college-mobile/id6504536828)

This app provides students and employees with essential information for success, including access to courses, grades, news, and important dates. Stay informed and engaged with the college community.

**Highlights:** Course access, Grade tracking, Campus news, Event listings, Important dates, Student resources

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

**In-app purchases:** none


## Frequently asked questions

### Is G1 Simulator & Study Guide free?

G1 Simulator & Study Guide is free to download, with in-app purchases available.

### Is Centennial College Mobile free?

Centennial College Mobile is free to download, with no in-app purchases.

### Do G1 Simulator & Study Guide or Centennial College Mobile have ads?

G1 Simulator & Study Guide shows ads; Centennial College Mobile does not.

### Which is updated more often, G1 Simulator & Study Guide or Centennial College Mobile?

G1 Simulator & Study Guide ships an update monthly, and Centennial College Mobile every 2 weeks. Most recently, G1 Simulator & Study Guide was updated on October 30, 2026 and Centennial College Mobile on October 13, 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.*