Comparison

PrompterPal vs Psychro Calc Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PrompterPal

This app transforms your mobile devices into a teleprompter, automatically scrolling your script to help you engage your audience. It offers extensive customization for text appearance and supports various remote control options and file sharing methods.

Highlights
  • Automatic scrolling script
  • Customizable text appearance
  • Multiple remote control options
  • Extensive file sharing methods
  • Display mirroring
  • Countdown timer
Features
Read full description

PrompterPal turns your iPad and iPhone into a teleprompter or speech assistant! PrompterPal automatically scrolls your speech for you to allow you to engage your audience and not worry about losing your place. Various forms of remote controls are possible as well as an external monitor. Share files between PrompterPal and a computer in several different ways. Check out PromptRemote, the free remote for PrompterPal. Easily configure the appearance of the text content to suit your presentation requirements including... • Font • Font Size • Text Color • Background Color • Head and Tail Indent • Line Spacing • Text Style Prompter features include: • Import File Types: PrompterPal (.prompterPal), Text (.txt), Rich Text (.rtf), Word (.docx) and HTML • Export File Types: PrompterPal (.prompterPal), Text (.txt), Rich Text (.rtf) and HTML • Five Marker Styles: Bar, Marker, Two Line, Inverted, Two Markers • Scroll Speed: Variable with two speed ranges. • Display mirroring for using a reflective teleprompter • Countdown: Two styles • Bidirectional Timer • External Monitor Support • Built-in user manual • Customizable title bar to give access to the features that are important to your workflow. • More... • File Sharing PrompterPal offers a variety of file sharing methods to assist in moving files between devices as well as a computer. - iTunes File Sharing: Copy files to and from PrompterPal using iTunes. - Email Files: Email files from PrompterPal and open files from other apps such as Mail. - iOS File Sharing: Send files directly from one PrompterPal to another. - Web Server: Host a web page that can be used from any computer to upload and download files. - Web Server Browser: Use built-in browser to load web page from another web server to download files or the entire database from another PrompterPal. - AirDrop: Use Apple's AirDrop to send files. - iCloud: Upload and download files from iCloud Drive. - Dropbox: Upload and download files from your Dropbox account. - Google Drive: Upload and download files from your Google Drive account. - iOS Remote Sharing: Send files and databases between host and peers. • Remote Control PrompterPal has a variety different remote options. - iOS Remote: Use another iOS device running PrompterPal or PromptRemote to control PrompterPal. Synchronize multiple devices. - Blue Tooth Keyboard: Assign keys of a blue tooth keyboard to control prompter features. - Touch Tone Remote: Use touch tone signals playing into the microphone line-in to control prompter features. - Audio Remote: Use the headphone in-line remote or other audio remote to control prompter features. - AirTurn Remote: Use wireless remotes from www.airturn.com to control prompter features. - Web Server Remote: Use a web page hosted on the network to control the prompter features. - Apple Watch: Use the Apple Watch to remotely control prompter functions. - Bluetooth MIDI: Use IK Multimedia's iRig Blueboard to control prompter functions. - Game Controller: Use MFi game controllers to control prompter functions. - Touch Recording: Record and playback your interactions with the prompter. - Speech Recognition: Use your speech to control the script using key words or the text content of the script. - Key Commands: Configure key combinations to control prompter features. This feature is enabled at all times. • Recording - Use either camera. - Movable video preview overlaying the script. - Share your video in a variety of ways. • Monitor Out Use an external monitor connected to the dock connector or AppleTV to display the prompter content. - Choose output resolution from supported resolutions. - Configure output to match device, or device to match output. - Adjust transform and mirroring for external display independently of device. - Works great with AppleTV and AirPlay. PrompterPal is perfect for public speakers, public broadcasting and electronic news gathering, school and business presentations and more!

About

Psychro Calc Pro

Features
Read full description

Psychro Calc Pro is a psychrometric calculator for HVAC engineers and technicians. Calculate dry bulb, wet bulb, dew point, relative humidity, humidity ratio, enthalpy and air density from any two independent properties, at altitudes from −500 m to 11 000 m. CALCULATION ENGINE Saturation pressure over water and ice from the Hyland–Wexler equations (ASHRAE Handbook—Fundamentals, Ch. 1), Greenspan (1976) enhancement factor, and the ASHRAE wet bulb equation. Valid from −100 °C to +200 °C. PSYCHROMETRIC CHART IN PDF REPORTS Relative humidity, enthalpy, wet bulb and specific volume lines, with automatic Standard, Low Temp and Industrial Drying modes. REPORTS & HISTORY SI and IP (Imperial) units throughout — results, chart, PDF reports and history — plus your company logo on PDF reports. FREE TRIAL, ONE-TIME PURCHASE Free to download. Try every feature free for 3 days — no payment, no sign-up. After the trial, unlock everything with a one-time purchase. No subscription, no recurring fees. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://iklimet-lab.com/privacy-policy/

Screenshots

PrompterPal4 screens
Psychro Calc Pro4 screens

Verdict

The call

The clearest difference is price: Psychro Calc Pro at Free against PrompterPal's $7.99. Psychro Calc Pro also leads on update cadence (every 4 days vs every 6 weeks) and iOS requirement (15.0 vs 17.6). PrompterPal's advantage is in-app purchases (none vs 2). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Psychro Calc Pro is free to download; PrompterPal costs $7.99 up front. Psychro Calc Pro sells 2 in-app purchases, starting at $3.99 per month. PrompterPal asks for nothing beyond the download.

UpkeepUpdate frequency

PrompterPal ships an update every 6 weeks, Psychro Calc Pro every 4 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
PrompterPal versus Psychro Calc Pro: the parameters behind the verdict, then further details
ParameterPrompterPalPsychro Calc Pro
Price$7.99Free — better
Rating3.0 (7 ratings) — better—
Positive reviews52.6% of reviews—
Number of ratings7 — better—
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size96 MB23 MB
Age rating4+4+
DeveloperSunshine Valley SystemsMehmet Karakas

In-app purchases

None

PrompterPal

No in-app purchases

2 purchases

Psychro Calc Pro

Subscriptions1
  • Monthly Premium3 Days trial$3.991 Month
One-time1
  • Lifetime Premium$9.99

Questions

Is PrompterPal free?
PrompterPal costs $7.99, with no in-app purchases.
Is Psychro Calc Pro free?
Psychro Calc Pro is free to download, with in-app purchases available.
Do PrompterPal or Psychro Calc Pro have ads?
Neither PrompterPal nor Psychro Calc Pro shows ads.
Which is updated more often, PrompterPal or Psychro Calc Pro?
PrompterPal ships an update every 6 weeks, and Psychro Calc Pro every 4 days. Most recently, PrompterPal was updated on November 6, 2026 and Psychro Calc Pro on October 31, 2026.

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