RecorderHQ Pro
SHENG TA TSAI
Productivity
RecorderHQ make your iPhone or iPad an voice recorder. We support record mp3 m4a and wav format directly.
$4.99
Finding alternatives to
Top 20 Alternatives
Curated apps similar to RPN-45 HD, ranked by relevance and user ratings.
Planny X • Daily Planner
Plan tasks, sync events, manage calendars
Kevin Reutter
Productivity
Plan and manage tasks with detailed to-do lists, set reminders, and prioritize items. Sync events across multiple calendars and view them in a unified interface. Track progress with visual charts and receive notifications for upcoming deadlines.
Free
JRPN 15C
Philip Starner
Productivity
Scientific calculator that simulates an HP-15C. It simulates the appearance and behavior of the original, including the seven-segment display, and the little blink you get when entering numbers.
Free
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#4 
FSWizard
Calculate cutting speed and feed automatically
Eldar Gerfanov
ProductivityCalculate cutting speed and feed for CNC milling and turning by selecting work and tool materials. Recommend chip-load and cutting depth. Supports chip thinning and HSM machining. Suggests optimal parameters to balance tool life and efficiency.
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#5 
Hypersketch
Sketch, refine, and share ideas instantly
STUCK Design Pte Ltd
ProductivityCreate and refine sketches with AI assistance. Draw, erase, and edit freely. Generate multiple variations from a single sketch. Export images in various formats and share directly.
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#6 
Pt-vity
Jason Lew
ProductivityPt·vity is designed to help therapists and practitioners in skilled nursing manage their constantly changing schedules. No more pulling up a boring spreadsheet to estimate your target clock out time.
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#7 
RLM-15CX
Ricardo Lira Matte
ProductivityThe RLM-15CX application is a programable advanced scientific calculator.
Free -
#8 
RecCloud - AI Speech to Text
Wangxu Technology Co., Ltd
ProductivityRecCloud: Your All-in-One AI Audio and Video Processing Platform RecCloud is a versatile AI-powered platform designed to streamline your audio and video processing needs.
Free -
#9 
RENDR: Floor plans in seconds
Scan spaces, measure accurately, close sales faster
HomeQuote LLC
ProductivityCreate digital by scanning spaces. Invite homeowners to scan their own areas. Measure rooms accurately without manual tools. Share instantly for estimates and design reviews.
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#10 
unloop: quit procrastination
Focus on tasks, not distractions
KK Digital Solutions LLC
ProductivityHelp users break cycles with structured task planning and time management tools. Set daily goals, track progress, and receive reminders. Adjust focus intervals and pause sessions as needed.
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#11 
ChatHub AI - Chatbot Assistant
Barbara Schwenke
ProductivityMeet ChatHub AI – Your Smartest AI Chat Assistant Say hello to ChatHub AI, your all-in-one intelligent chatbot built on the world’s most advanced models — GPT-5, Gemini 2.5 Flash, Claude 4.5, and Grok-4. This powerful AI assistant is designed to help with everything from writing and problem-solving...
Free -
#12 
Screen Time Control: Hazel
Track , set goals, and earn rewards
Vibe Labs s.r.o.
ProductivityTrack daily focus streaks to maintain consistency. Set specific focus periods and block distracting apps. Receive rewards for completing streaks. Sync progress across devices. View detailed focus reports and adjust goals as needed.
Free -
#13 
Habit Tracker - Haby
Dmitry Sergunov
ProductivityBoost Your Productivity with Haby – The Ultimate Habit Tracker! Transform your daily routines with Haby’s intuitive design and powerful features.
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#14 
AskAI GPT with ChatGPT Gemini
ZQ Labs, Inc.
ProductivityExperience the incredible power of AskAI GPT—the most advanced all-in-one chat assistant, built on latest cutting-edge AI models, including: • ChatGPT: GPT-5.2 (GPT-5 mini) and GPT-4o • Google Gemini: Pro 3.0 and Flash Think 3.0 (plus Nano Banana to create image and edit image) • xAI Grok AI and...
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#15 
Kalkulilo (Calculator)
Alexander Clauss
ProductivityKalkulilo is a comfortable calculator program and offers several different modes. - The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc. - The bit/integer mode offers logical operations (AND, OR, XOR,...
$1.99 -
#16 
Flip Clock Digital Widgets
BEST MUSIC VIDEO & IMAGE MAKER LIMITED
ProductivityDesktop Clock is a simple but feature-rich clock software. It has a classic flip clock display style, a beautiful interface and full of retro style, allowing you to know the time at a glance. At the same time, the software also has a variety of practical functions: the focus mode allows you to...
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#17 
HapMod : Happy Game Mods
Explore mod packs and customize games
Jaya Bin perang
ProductivityExplore modifications with mod packs, tools, and custom add-ons. Edit in- elements, transform gameplay, and access community-created content. Discover new possibilities across adventure, racing, and simulation genres.
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#18 
QScan - Ultimate QR Code Tool
Scan and customize QR codes instantly
Chia-Chun Hsieh
ProductivityScan QR codes instantly with zero lag. Detect and decode codes accurately. Customize designs with colors, logos, and text. Share scanned content via links or copy text. Edit and enhance QR visuals. Export codes in multiple formats.
Free -
#19 
Psychrometric Chart
Pheinex, LLC
ProductivityInteractive, graphical psychrometric chart app for HVAC engineers and designers.
$59.99 -
#20 
CNC Machinist Calculator Ultra
Shane Anderson
ProductivityUnlock the full potential of your CNC machining operations with CNC Machinist Calculator Ultra, the premier tool designed for machinists, engineers, and anyone involved in machining processes. With our Ultra App, you get access to all the features of the Pro App, plus many new features.
Free
App information from Apple App Store. RPN-45 HD and related trademarks belong to Willy Kunz.