# VcfLookup vs Study Pomodoro Timer & Focus

The clearest difference is in-app purchases: VcfLookup at none against Study Pomodoro Timer & Focus's 9. VcfLookup also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (11.1 vs 15.0). Study Pomodoro Timer & Focus's advantage is ratings volume (6 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Study Pomodoro Timer & Focus sells 9 in-app purchases, starting at $3.99 per month. VcfLookup asks for nothing beyond the download.

VcfLookup holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Study Pomodoro Timer & Focus has 6 ratings behind it against 1, so its average is the more settled of the two.

VcfLookup ships an update every 3 weeks, Study Pomodoro Timer & Focus every 6 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | VcfLookup | Study Pomodoro Timer & Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vcflookup/id1319259850/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/study-pomodoro-timer-and-focus/id6747389210/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 25 MB |
| Requires iOS | **11.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kah Seng Teo](https://appshunter.io/developer/1319259849) | [OGUZ DELIOGLU](https://appshunter.io/developer/1769359439) |

## What reviewers say

### VcfLookup

[App page](https://appshunter.io/ios/app/vcflookup/id1319259850)

This app provides a quick way to find the Volume Correction Factor (VCF) for marine fuel oil calculations. It references ISO 8217 Specifications, commonly used for marine fuel bunkers on ships globally.

**Highlights:** Volume Correction Factor calculation, Marine fuel oil calculations, ISO 8217 Specifications reference, Handy tool for shipboard use

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Pomodoro Timer & Focus

[App page](https://appshunter.io/ios/app/study-pomodoro-timer-and-focus/id6747389210)

Enhance your focus and productivity with a timer that combines the Pomodoro technique with task planning and ambient sounds. Track your progress, build better habits, and organize projects into manageable work sessions for deeper concentration.

**Highlights:** Pomodoro timer, Task planning, Smart breaks, Progress tracking, Ambient sounds, Customizable intervals

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Annually Premium | $29.99 | per year |
| Buy Me Coffee | $4.99 | one-time |
| Timer Gradient Glow | $4.99 | one-time |
| Timer Lofi Vibes | $4.99 | one-time |
| Timer Neu Morphic | $4.99 | one-time |
| Timer Glass Morphic | $4.99 | one-time |
| Buy Me Supporter | $14.99 | one-time |
| Buy Me Sponsor | $29.99 | one-time |


## Frequently asked questions

### Is VcfLookup free?

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

### Is Study Pomodoro Timer & Focus free?

Study Pomodoro Timer & Focus is free to download, with in-app purchases available.

### Which has better reviews, VcfLookup or Study Pomodoro Timer & Focus?

VcfLookup is rated higher. VcfLookup averages 5.0 out of 5 from 1 ratings, while Study Pomodoro Timer & Focus averages 4.8 from 6 ratings.

### Do VcfLookup or Study Pomodoro Timer & Focus have ads?

Neither VcfLookup nor Study Pomodoro Timer & Focus shows ads.

### Which is updated more often, VcfLookup or Study Pomodoro Timer & Focus?

VcfLookup ships an update every 3 weeks, and Study Pomodoro Timer & Focus every 6 weeks. Most recently, VcfLookup was updated on October 29, 2026 and Study Pomodoro Timer & Focus on October 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.*