# Vulpe vs Study Penguin

The clearest difference is in-app purchases: Study Penguin at none against Vulpe's 4. Study Penguin also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). Vulpe's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Vulpe sells 4 in-app purchases, starting at $3.99 per month. Study Penguin asks for nothing beyond the download.

Vulpe ships an update every 2 weeks, Study Penguin daily. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Vulpe | Study Penguin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/vulpe-study-with-a-plan/id6443739008/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 188 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UniLink Inc.](https://appshunter.io/developer/1100530980) | [Rei Minamida](https://appshunter.io/developer/6779070914) |

## What reviewers say

### Vulpe

[App page](https://appshunter.io/ios/app/vulpe-study-with-a-plan/id6443739008)

This app helps you manage your reading goals by breaking down large books into daily page targets. It visualizes your progress, alerting you if you're ahead or behind schedule. Log your daily study sessions to stay on track and achieve your academic objectives.

**Highlights:** Set book completion dates, Calculate daily page goals, Log daily study progress, Visualize progress ahead/behind schedule, Receive progress notifications, Archive completed goals

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vulpe Premium Monthly | $3.99 | per month |
| Vulpe Premium Annual | $12.99 | per year |
| Vulpe Premium Yearly | $39.99 | per year |
| Vulpe Premium Outright | $29.99 | one-time |


### Study Penguin

[App page](https://appshunter.io/ios/app/study-penguin/id6779070912)

**In-app purchases:** none


## Frequently asked questions

### Is Vulpe free?

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

### Is Study Penguin free?

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

### Do Vulpe or Study Penguin have ads?

Vulpe shows ads; Study Penguin does not.

### Which is updated more often, Vulpe or Study Penguin?

Vulpe ships an update every 2 weeks, and Study Penguin daily. Most recently, Vulpe was updated on October 12, 2026 and Study Penguin 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.*