BA Plus Pro Calculator vs Build SRT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BA Plus Pro Calculator
This app emulates the TI BA II Plus financial calculator, offering familiar functions and algorithms. It's optimized for iPhone and iPad, preserving your work between sessions for seamless financial calculations and analysis.
- Time Value of Money calculations
- Cash flow analysis (NPV, IRR)
- Amortization schedules
- Full scientific calculations
- Chain or Algebraic calculation
- Statistical analysis
- Session state preservation
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BA Plus Pro Calculator is an emulator of the TI BA II Plus. It is built with the same layout, functions and algorithms of the original. If you are a student or a finance or real estate professional that is already familiar with the BA Plus you will feel at home with this calculator. The calculator has been optimized for viewing on iPhones and iPads. All time value of money variables are continuously displayed to give you confidence in your problem setups. The contents of the calculator and worksheets are preserved between computing sessions. If you are interrupted by a phone call or leave to work in another application, the next time you start BA Finance Plos it will be restored to the state you left off. •Time Value of Money calculations •Cash flow analysis with NPV and IRR •Amortization schedules • Cash flow analysis, Net Present Value (NPV), and Internal Rate of Return (IRR), Net Future Value (NFV), Payback (PB), Discounted Payback (DPB), Reinvestment Rate (RI), and Modified Internal Rate of Return (MOD). •full set of scientific calculations including logs and trig functions •Chain or Algebraic calculation • Statistical analysis. Bonus Features • Both iPhone and iPad versions included in one application
Build SRT
This utility converts spoken audio from videos into standard SRT subtitle files. It supports importing videos from your device and offers efficient sound extraction for subtitle generation. The generated SRT files are universally compatible and easily shareable.
- Speech-to-text transcription
- Import videos from Photos and Files
- Extract audio for SRT generation
- Universal SRT file format
- Share SRT files easily
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Build SRT leverages Apple’s built-in speech recognition framework to convert spoken audio into text. You can use the system’s native speech-to-text functionality to experience its transcription accuracy firsthand. To complement the limitations of the built-in recognizer, the app also supports manual import of natural language text, offering greater flexibility in subtitle creation. The app generates subtitle files in standard SRT format, but it does not produce new video files with embedded subtitles. The "Build SRT" App can efficiently extract the voice in the video and convert these sounds into subtitle SRT files. The generated subtitle SRT file is a universal subtitle file format, so that you can use the subtitle SRT file widely. Features: • It is very convenient to import videos from the system "Photos" and "Files" • Import videos at the same time and view subtitles according to the video at a glance • Efficiently and quickly extract the sound in the video and convert it into an SRT file • SRT files can be quickly shared on other devices.Support sharing, copying, spacing and forwarding on Apple system to facilitate exporting SRT files for modification and use. • SRT files are a universal subtitle file format and can be used widely. Support: If you have any suggestions and comments, please do not hesitate to contact the developer: Email: hanmingjie@gmail.com WeChat: MingJie-Han
Screenshots
Verdict
The clearest difference is review sentiment: BA Plus Pro Calculator at 63% against Build SRT's 0%. BA Plus Pro Calculator also leads on ratings volume (3 vs 1) and price ($1.99 vs $2.99). Build SRT's advantage is rating (5.0 vs 3.7). On update cadence, ads, in-app purchases and monetization model 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
BA Plus Pro Calculator costs $1.99 and Build SRT $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Build SRT holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews complicate that: 63% of BA Plus Pro Calculator's written reviews are positive against 0% of Build SRT's, so the app with the better star average is not the one people write more warmly about.
BA Plus Pro Calculator ships an update every 6 weeks, Build SRT every 5 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | BA Plus Pro Calculator | Build SRT |
|---|---|---|
| Price | $1.99 — better | $2.99 |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 62.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 4 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 国栋 焦 | 韩 明洁 |
Customer experience
BA Plus Pro Calculator
Build SRT
In-app purchases
BA Plus Pro Calculator
No in-app purchases
Build SRT
No in-app purchases
Questions
Is BA Plus Pro Calculator free?
Is Build SRT free?
Which has better reviews, BA Plus Pro Calculator or Build SRT?
Do BA Plus Pro Calculator or Build SRT have ads?
Which is updated more often, BA Plus Pro Calculator or Build SRT?
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