GO vs Num Count
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GO
This app faithfully recreates the HP-25C Programmable Scientific Calculator from 1976. It offers RPN input, a 10-digit LED display, and extensive mathematical functions. Users can program it with up to 99 steps and share programs via various methods.
- RPN input
- 10-digit LED display
- Four stack registers
- Ten storage registers
- Extensive math functions
- 99-step programmability
- Program import/export
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GO-25 SciRPN simulates the venerable HP-25C Programmable Scientific Calculator from 1976. Virtually indistinguishable from the real item in operation, GO-25 is a powerful yet simple retro calculator. • RPN (Reverse Polish Notation) • 10-digit LED calculator display, 10-99 to 10+99 • Four stack registers with roll down • Ten storage registers with arithmetic memory operators • Math, trigonometric, polar/rectangular, sexagesimal/decimal, logarithmic, statistical, power and other miscellaneous functions • Programmable, with annotated program listing, and memory for 99 program steps • Library of Sample Programs • Fast, slow or single step program execution • Program import via pasteboard or from other Apps • Program export via printer, email, pasteboard or to others Apps • iTunes program File Sharing • Two additional windows with views of: ◦ stack/storage registers ◦ keystroke log ◦ program source code ◦ program documentation • Copy-from and Paste-to the calculator display • Simple Paper Tape annotations
Num Count
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A simple, intuitive app for counting anything. Save your counts and easily resume from where you left off.
Screenshots
Verdict
The clearest difference is price: Num Count at $0.99 against GO's $4.99. GO's advantage is update cadence (every 6 weeks vs every 3 months) and device support (4 vs 2). On ads and in-app purchases 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
GO costs $4.99 and Num Count $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GO ships an update every 6 weeks, Num Count every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | GO | Num Count |
|---|---|---|
| Price | $4.99 | $0.99 — better |
| Rating | 4.7 (23 ratings) — better | — |
| Positive reviews | 95.0% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac, Apple TV — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 18 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Steve Lidie | Kensuke Hoshikawa |
In-app purchases
GO
No in-app purchases
Num Count
No in-app purchases
