# PrepFlex vs Merge Planner

The clearest difference is in-app purchases: PrepFlex at none against Merge Planner's 2. PrepFlex also leads on ads (none vs shown). Merge Planner's advantage is update cadence (every 4 days vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Merge Planner sells 2 in-app purchases, starting at $4.99 per month. PrepFlex asks for nothing beyond the download.

PrepFlex ships an update every 10 months, Merge Planner every 4 days. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PrepFlex | Merge Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/prepflex-study-optimizer/id6754576477/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 25 MB | 91 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rajat Aggarwal](https://appshunter.io/developer/1849009713) | [Mirwais Shah Arya](https://appshunter.io/developer/1873804015) |

## What reviewers say

### PrepFlex

[App page](https://appshunter.io/ios/app/prepflex-study-optimizer/id6754576477)

This app creates personalized study plans from your available time and topics. It helps students organize last-minute study sessions into effective, time-balanced schedules tailored to their needs. The app focuses on efficiency with no sign-ins or distractions.

**Highlights:** Create personalized study plans, Tailored to available time, Add and weight study topics, Set confidence levels for topics, Local data storage for privacy, Distraction-free study environment

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

**In-app purchases:** none


### Merge Planner

[App page](https://appshunter.io/ios/app/merge-planner-todo-and-calendar/id6758587044)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is PrepFlex free?

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

### Is Merge Planner free?

Merge Planner is free to download, with in-app purchases available.

### Do PrepFlex or Merge Planner have ads?

Merge Planner shows ads; PrepFlex does not.

### Which is updated more often, PrepFlex or Merge Planner?

PrepFlex ships an update every 10 months, and Merge Planner every 4 days. Most recently, PrepFlex was updated on October 18, 2026 and Merge Planner on October 16, 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.*