# PrepFlex vs CATTIMO

The clearest difference is review sentiment: PrepFlex at 100% against CATTIMO's 0%. PrepFlex also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). CATTIMO's advantage is update cadence (weekly vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PrepFlex ships an update every 10 months, CATTIMO weekly. The most recent releases landed on October 2, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PrepFlex | CATTIMO |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free | Free |
| Size | 25 MB | 42 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rajat Aggarwal](https://appshunter.io/developer/1849009713) | [JiYeon Noh](https://appshunter.io/developer/981110323) |

## 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


### CATTIMO

[App page](https://appshunter.io/ios/app/cattimo-cozy-todo-and-focus/id6802719025)

Organize your tasks and calendar events in a charming, illustrated environment.  Engage in focused work sessions with a virtual cat companion and track your progress with visual charts. Prioritizes privacy with no accounts, ads, or tracking.

**Highlights:** Integrates todos, Apple Reminders, and Calendar events, Adjustable focus and break timers, Cat companion for focus sessions, Seven-day focus progress chart, Live Activities for ongoing focus sessions, No account, advertising, analytics, or tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is PrepFlex free?

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

### Is CATTIMO free?

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

### Do PrepFlex or CATTIMO have ads?

Neither PrepFlex nor CATTIMO shows ads.

### Which is updated more often, PrepFlex or CATTIMO?

PrepFlex ships an update every 10 months, and CATTIMO weekly. Most recently, PrepFlex was updated on October 2, 2026 and CATTIMO on September 24, 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.*