# My Study Guide vs Presets by Time Engine

The clearest difference is in-app purchases: My Study Guide at none against Presets by Time Engine's 1. My Study Guide also leads on device support (4 vs 1). Presets by Time Engine's advantage is update cadence (daily vs every 3 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Presets by Time Engine sells 1 in-app purchase, starting at $6.99 per month. My Study Guide asks for nothing beyond the download.

My Study Guide ships an update every 3 months, Presets by Time Engine daily. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | My Study Guide | Presets by Time Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/my-study-guide/id912273632/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Arista](https://appshunter.io/developer/912273635) | [100-8 Studio](https://appshunter.io/developer/1436780503) |

## What reviewers say

### My Study Guide

[App page](https://appshunter.io/ios/app/my-study-guide/id912273632)

Create and review custom study guides for any subject or exam. Easily add questions and answers to build your personal learning material. Access your guides on your Apple Watch for convenient on-the-go studying.

**Highlights:** Custom study guide creation, Question and answer input, On-the-go review, Apple Watch integration, Easy guide browsing

**Features:** macOS Compatibility

**In-app purchases:** none


### Presets by Time Engine

[App page](https://appshunter.io/ios/app/presets-by-time-engine/id6471368225)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Presets Pro | $6.99 | per month |


## Frequently asked questions

### Is My Study Guide free?

My Study Guide is free to download, with no in-app purchases.

### Is Presets by Time Engine free?

Presets by Time Engine is free to download, with in-app purchases available.

### Do My Study Guide or Presets by Time Engine have ads?

Neither My Study Guide nor Presets by Time Engine shows ads.

### Which is updated more often, My Study Guide or Presets by Time Engine?

My Study Guide ships an update every 3 months, and Presets by Time Engine daily. Most recently, My Study Guide was updated on October 4, 2026 and Presets by Time Engine on September 28, 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.*