CalCollections vs my16c
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CalCollections
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This app allows users to organise their calculators into collections. The app uses tailored options to register the calculators and as much information possible about them. With CalCollections you can have all your calculator collections in one place.
my16c
This app emulates a legendary programmer's calculator from the 1980s, offering cycle-accurate performance and faithful reproduction of its features. It includes base conversions, bit manipulation, RPN, and programmability, with modern conveniences like iCloud sync and a dark interface.
- Cycle-accurate emulation
- Full base conversion (HEX, DEC, OCT, BIN)
- Bit operations
- RPN entry
- Programmable
- Authentic LCD display
- Word size control
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The programmer's calculator that defined an era โ now in your pocket. my16C brings the legendary 16C Voyager series programmer's calculator back to life with cycle-accurate emulation running the original microcode. Every keystroke, every display flicker, every RPN operation โ faithfully reproduced. WHY PROGRAMMERS LOVE THE 16C The 16C wasn't just a calculator โ it was the essential tool for every serious programmer and computer engineer in the 1980s. Its unique combination of base conversions, bit manipulation, and RPN logic made it indispensable. Decades later, it remains unmatched. FEATURES โข Cycle-accurate emulation โ runs the original Voyager microcode, not a simulation โข Full base conversion โ HEX, DEC, OCT, and BIN at the press of a key โข Bit operations โ shifts, rotates, AND, OR, XOR, NOT, 1's and 2's complement โข RPN entry โ the efficient Reverse Polish Notation stack system โข Programmable โ write, store, and run programs just like the original โข Authentic 7-segment LCD display with all original annunciators โข Word size control (WSIZE) โ work with 8, 16, 32, or 64-bit integers โข Floating point mode for standard calculations โข Unsigned and signed arithmetic modes BUILT FOR TODAY โข iCloud sync โ your calculator state follows you across devices โข Native on iPhone and Mac โ landscape optimized on iOS, resizable window on macOS โข Full keyboard support on Mac โ type numbers and operators directly โข Dark interface faithful to the original Voyager design โข Built-in Owner's Manual for quick reference TRY BEFORE YOU BUY my16C includes a free trial period so you can experience the full calculator before purchasing. A single one-time purchase unlocks the app forever โ no subscriptions. Whether you're a software engineer debugging hex values, a retro computing enthusiast, or someone who remembers the original on their desk โ my16C is the most authentic way to use the legendary 16C today.
Screenshots
Verdict
The clearest difference is in-app purchases: CalCollections at none against my16c's 1. CalCollections also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (18.4 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. my16c sells 1 one-off in-app purchase. CalCollections asks for nothing beyond the download.
CalCollections ships an update every 4 weeks, my16c every 2 months. The most recent releases landed on September 18, 2026 and August 21, 2026 respectively.
| Parameter | CalCollections | my16c |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 0.0% of reviews |
| Update frequency | Every 4 weeks โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac โ better |
| Requires iOS | 18.4 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | The Calculator Store SLNE | Miroslav Perovic |
In-app purchases
CalCollections
No in-app purchases
my16c
- Unlock Full App$9.99









