DTP Scaling vs B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DTP Scaling
Automatically calculates the scale rate of paper sizes from the A and B series. Simply select your desired usage for quick conversions, such as from A4 to A1.
- Automatic paper scale rate calculation
- Supports A series paper sizes
- Supports B series paper sizes
- Simple usage selection
- Converts between different paper sizes
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The scale rate of a paper (A series, Japanese B-series) is calculated automatically. Usage only chooses! Ex. Calculation to A1 size from A4 size.
B
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Display of company conveyor belt product information, manual for joint process splicing, and calculation of commonly used calculators.
Screenshots
Verdict
The clearest difference is update cadence: B at every 3 weeks against DTP Scaling's every 3 months. DTP Scaling's advantage is iOS requirement (7.0 vs 12.0). On price, ads, 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.
DTP Scaling ships an update every 3 months, B every 3 weeks. The most recent releases landed on June 25, 2026 and December 10, 2025 respectively.
| Parameter | DTP Scaling | B |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | NAOSHI USAMI | 无锡宝通智能物联科技有限公司 |
In-app purchases
DTP Scaling
No in-app purchases
B
No in-app purchases






