Comparison

12Calc vs 529 Tracker

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

Head to head
About

12Calc

This app provides a full-featured financial calculator experience, replicating the functionality of a popular physical model. It offers an audit tape for tracking calculations, a unit converter with currency exchange rates, and various worksheets with interactive graphs for financial analysis. Optimized for modern devices with high-resolution graphics and support for multiple orientations.

Highlights
  • HP12C emulation
  • Audit tape for calculation history
  • Unit and currency converter
  • Interactive financial worksheets
  • Portrait and landscape views
  • Contextual help and tutorials
  • HD graphics with color themes
Features
Currently charting
Read full description

12Calc is a full version of the well known HP12C for the iPhone and iPad. It also includes an audit tape, unit converter, worksheets, rotated views, user guide and HD graphics optimized for iPad and iPhone retina displays. •Runs in 64 bit mode on the latest iOS release and new iPads and iPhones. •Calculations are highly accurate and blazing fast. No more "running" flashing displays for amortizations, depreciation schedules or interest calculations. Work as fast as you can type. •Audit Tape: The audit tape keeps a record of your calculations. You can review, mail, text, share or print the tape. •Unit Converter: Convert between a wide variety of common units and currencies. Currency rates can be downloaded from the internet. •Work Sheets with interactive graphs: Auto Purchase Black-Scholes Bond Break-even Cash Flow analysis Currency Date Depreciation Interest Conversion Lease Loan Amortization (includes option for Canadian mortgages) Margin&Markup Refinance Statistics Tip TVM •Views for all orientations: Portrait and landscape renderings of the full keyboard are provided for iPhone and iPad. The iPad version includes slide over and multiple split view displays as well as side-by-side display of the help page, audit tape, tvm mortgage table or program variables. •Built-in contextual help: Touch the ? key for a description of any keyboard function with examples of use. If you are just learning or can't remember how to use a function- just touch the ? key. Includes tutorials on how to use reverse Polish notation (RPN) and how to solve time value of money problems. •HD Graphics: Graphics optimized for both retina and standard resolution screens. Choose from multiple color schemes including gold, rose gold, brass, copper, silver and several color tints.

About

529 Tracker

This app helps families organize, document, and calculate education expenses to maximize eligible withdrawals from 529 education savings plans. It tracks expenses by student and academic term, manages scholarships, and generates detailed reports for tax season.

Highlights
  • Multi-student expense tracking
  • Comprehensive expense and report exports
  • Record and categorize education expenses
  • Annual summary dashboard
  • Smart withdrawal calculator
  • Academic term organization
  • Scholarship & income tracking
  • Receipt management
Features
Read full description

Finally — a 529 plan tracker that actually gets it. Not just an account balance app - but a complete tool to guide you through the entire process of how to correctly use your 529 education plan money!!! If you're saving for college or K-12 with a 529 plan, you already know the hard part isn't just saving. It's keeping track of what qualifies, when withdrawals happen, which receipts support each expense, and what information you may need when tax season arrives. 529 Tracker helps you organize your 529 expenses, withdrawals, receipts, scholarships, and reports in one place. No more spreadsheets. No more shoeboxes of receipts. No more guessing where the numbers came from. Just a clean, focused app built to help families stay organized year-round. Version 3.4 improves student-specific expense limits, calendar-year withdrawal matching, scholarship coordination, and AOTC-adjusted tax summaries. It also strengthens support for older saved records and verifies student-loan repayment history before saving new or edited entries. HERE'S WHAT YOU'LL LOVE • Ask the built-in AI Assistant questions in plain English about your tracked data, summaries, projections, alerts, and app features • See how much your tracked expenses make eligible for 529 withdrawal • Track expenses by category: tuition, room and board, books, technology, K-12 education, student loan repayments, and more • Snap a photo or attach a PDF receipt to transactions • Forecast your 529 balance year-by-year through graduation • Manage multiple students and 529 account balances • Reconcile Form 1099-Q against your tracked expenses • Generate PDF and CSV reports for your records or tax professional • Coordinate expenses with the American Opportunity Tax Credit (AOTC) • Get year-end reminders before the December 31 calendar-year deadline • Sync your data across iPhone, iPad, and Mac • Use built-in help and tutorials to learn each major workflow BUILT AROUND THE DETAILS THAT MATTER 529 Tracker is designed around IRS Publication 970 to help you organize: Cost of Attendance (COA) limits on room and board • Scholarship and grant reductions to qualified expenses • Calendar-year matching between expenses paid and withdrawals • Enrollment and housing requirements • K-12 annual limits • The $10,000 lifetime student loan repayment limit • AOTC coordination • Academic terms that span calendar years Keep expenses organized by student and payment year, even when an academic term crosses December and January. Clearer alerts help identify missing information that may affect eligibility. PERFECT FOR Parents and grandparents who: Have one or more students using a 529 plan • Want a clearer answer to “how much can I withdraw this year?” • Are done with spreadsheets, sticky notes, and tax-season scrambling • Want organized records for themselves or their tax professional • Care about staying on top of things year-round SUBSCRIPTION 529 Tracker is available as a monthly or annual subscription: Monthly: $5.99 • Annual: $54.99 Both plans unlock every feature, sync across your Apple devices, and include ongoing app updates. Cancel anytime through your Apple ID. PRIVACY We do not sell your data or use it for advertising. Your records are securely stored and synced using Firebase infrastructure. The optional AI Assistant uses Google Gemini through Firebase AI Logic to generate answers when you choose to ask a question. A QUICK NOTE 529 Tracker is an organizational tool, not a replacement for professional tax, legal, or financial advice. Calculations are based on the data you enter and are designed to help you organize information around current IRS guidance. Always consult a qualified tax professional for advice specific to your situation. WE'D LOVE TO HEAR FROM YOU Questions? Feedback? Feature ideas? Email us anytime at support@charliemikestudios.com. Built with care by Charlie Mike Studios. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

12Calc4 screens
529 Tracker4 screens

Verdict

The call

The clearest difference is price: 529 Tracker at Free against 12Calc's $8.99. 529 Tracker also leads on update cadence (every 10 days vs every 5 months). 12Calc's advantage is in-app purchases (none vs 2) and ratings volume (916 vs 6). On rating, review sentiment, 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

529 Tracker is free to download; 12Calc costs $8.99 up front. 529 Tracker sells 2 in-app purchases, starting at $5.99 per month. 12Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for 12Calc against 5.0 for 529 Tracker. That said, the two scores are not equally well evidenced: 12Calc has 916 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 96% of 12Calc's written reviews are positive against 100% of 529 Tracker's.

UpkeepUpdate frequency

12Calc ships an update every 5 months, 529 Tracker every 10 days. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 5 level
12Calc versus 529 Tracker: the parameters behind the verdict, then further details
Parameter12Calc529 Tracker
Price$8.99Free — better
Rating4.9 (916 ratings)5.0 (6 ratings) — better
Positive reviews95.9% of reviews100.0% of reviews — better
Number of ratings916 — better6
Update frequencyEvery 5 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
Best chart rank#19 — better—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.6 — better18.6
Further details — not scored
Size6 MB39 MB
Age rating4+4+
DeveloperErnest BrockCharlie Mike Studios LLC

Customer experience

12Calc

All ratings916 ratings
Positive98.3%
Neutral1.1%
Negative0.7%
Written reviews197 reviews
Positive95.9%
Neutral1.5%
Negative2.5%

529 Tracker

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

12Calc

No in-app purchases

2 purchases

529 Tracker

Subscriptions2
  • Full Access to 529 Tracker7 Days trial$5.991 Month
  • Full access to 529 Tracker7 Days trial$54.991 Year

Questions

Is 12Calc free?
12Calc costs $8.99, with no in-app purchases.
Is 529 Tracker free?
529 Tracker is free to download, with in-app purchases available.
Which has better reviews, 12Calc or 529 Tracker?
529 Tracker is rated higher. 12Calc averages 4.9 out of 5 from 916 ratings, while 529 Tracker averages 5.0 from 6 ratings.
Do 12Calc or 529 Tracker have ads?
Neither 12Calc nor 529 Tracker shows ads.
Which is updated more often, 12Calc or 529 Tracker?
12Calc ships an update every 5 months, and 529 Tracker every 10 days. Most recently, 12Calc was updated on October 12, 2026 and 529 Tracker on September 29, 2026.

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