Pressure Unit Converter vs Planebooker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pressure Unit Converter
Easily convert pressure measurements between various units with customizable rounding options for both decimal and fractional results. Save and email your conversion history for convenient record-keeping.
- Multiple pressure unit support
- Decimal and fractional result display
- Customizable rounding for decimals
- Customizable fraction rounding
- Conversion history
- Email results and history
- Portrait and landscape support
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A handy app to convert between pressure units. Supported pressure units: • Atmosphere • Millibar • Bar • Pascal • Hectopascal • Kilopascal • Pounds per square inch (PSI) • Pounds per square foot (PSF) • Kilograms per square meter kgf/m² • Inches of mercury (inHg) • Millimeters of mercury (mmHg) • Torr "Flip" button to easily switch between the "from" and "to" units. Supports fractions. Results are shown in the decimal and fractional forms. App's Settings: - Rounding to the specified number of decimal places: for decimal numbers, you can select the number of decimal places you want to display. By default, the app displays 2 decimal places. To round results to the nearest whole number, select 0 decimal places. - For fractions, you can select rounding to the nearest 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256. By default, the app rounds fractions to the nearest 1/32. If you do not need to round fractions, just select "-". Sends results and history via email. Conversion history. Supports both portrait and landscape orientation.
Planebooker
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Create, track, and manage airplane-sharing bookings easily, manage rental packages, and know exactly the current account status for each pilot within your club and each airplane in your fleet.
Screenshots
Verdict
The clearest difference is price: Planebooker at Free against Pressure Unit Converter's $3.99. Planebooker also leads on update cadence (every 10 days vs every 2 months). Pressure Unit Converter's advantage is iOS requirement (6.0 vs 14.0). On 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
Planebooker is free to download; Pressure Unit Converter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Pressure Unit Converter ships an update every 2 months, Planebooker every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Pressure Unit Converter | Planebooker |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 23 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Intemodino Group s.r.o. | Aerodev SRL |
In-app purchases
Pressure Unit Converter
No in-app purchases
Planebooker
No in-app purchases
Questions
Is Pressure Unit Converter free?
Is Planebooker free?
Do Pressure Unit Converter or Planebooker have ads?
Which is updated more often, Pressure Unit Converter or Planebooker?
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