PJFFfree vs Stellar Browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PJFFfree
This app serves as a manual for piping parts, focusing on Japanese specifications. It lists commonly used items based on manufacturer data and public dimension tables, with all measurements in millimeters.
- Piping parts manual
- Japanese specifications
- Commonly used parts listing
- Manufacturer data integration
- Millimeter measurements
- JIS standards compliance
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It is a manual of piping parts. Only Japanese specification. We are listed at the discretion of the things that seems to be in common use based on manufacturer's data and the dimension tables of dealers that are open to the public. Length units are in millimeters unless otherwise specified in decimal notation JIS standards compliance
Stellar Browser
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プレゼンする時に余分なバーを取り除いたブラウザ
Screenshots
Verdict
The clearest difference is ads: Stellar Browser at none against PJFFfree's shown. PJFFfree's advantage is update cadence (every 5 weeks vs every 9 months). On price, in-app purchases, device support and iOS requirement 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.
PJFFfree ships an update every 5 weeks, Stellar Browser every 9 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | PJFFfree | Stellar Browser |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 0 MB |
| Age rating | 4+ | 17+ |
| Developer | sigeyosi kanenishi | StellarLink Corp. |
In-app purchases
PJFFfree
No in-app purchases
Stellar Browser
No in-app purchases
Questions
Is PJFFfree free?
Is Stellar Browser free?
Do PJFFfree or Stellar Browser have ads?
Which is updated more often, PJFFfree or Stellar Browser?
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