VcfLookup vs Kitten
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VcfLookup
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.
- Volume Correction Factor calculation
- Marine fuel oil calculations
- ISO 8217 Specifications reference
- Handy tool for shipboard use
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A little handy App to quickly find the Volume Correction Factor (VCF) to use for Marine Fuel Oil calculations. Some references to ISO 8217 Specifications commonly used as Marine Fuel Oil Bunkers on board ships around the world.
Kitten
This practical software offers several compact tools for text manipulation and file handling. Features include removing leading zeros, counting blank lines, URL encoding, and identifying paper weight and MIME types.
- Remove leading zeros from text
- Count blank lines in text/files
- URL encoding
- Measure paper weight and thickness
- MIME type formatting
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Practical software that is compact and has very practical and convenient functions. The software includes: 【Removed leading zeros】A tool to remove text with a 0 in front of it. 【Fill in the box】This is an online blank line counter that can be used to count the number of blank lines in a text or file. It automatically counts the number of blank lines after pasting or changing text. 【URL encoding】The URL can be encoded to allow it to be transmitted correctly and identified in various network environments. 【Paper weight and thickness】This tool can measure the weight and thickness of paper. 【MimeType Format】It is mainly used to specify some customer-defined file names and some methods for opening multimedia files.
Screenshots
Verdict
The clearest difference is review sentiment: VcfLookup at 100% against Kitten's 31%. VcfLookup also leads on rating (5.0 vs 4.0) and ads (none vs shown). Kitten's advantage is update cadence (every 4 days vs every 3 weeks) and ratings volume (26 vs 1). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VcfLookup holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Kitten has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of VcfLookup's written reviews are positive against 31% of Kitten's.
VcfLookup ships an update every 3 weeks, Kitten every 4 days. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.
| Parameter | VcfLookup | Kitten |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (26 ratings) |
| Positive reviews | 100.0% of reviews — better | 31.3% of reviews |
| Number of ratings | 1 | 26 — better |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Kah Seng Teo | 航 李 |
Customer experience
VcfLookup
Kitten
In-app purchases
VcfLookup
No in-app purchases
Kitten
No in-app purchases
