GO-21 SciRPN generates an estimated $10–$60/month in revenue from 6–30 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-06-19).
| Est. revenue / month | $10–$60 |
|---|---|
| Est. downloads / month | 6–30 |
| Estimate confidence | medium |
| Pricing | Paid $2.99 |
| Rating | 4.92 ★ (12 ratings) |
| Category | Utilities |
| Released | 28.08.2009 |
| App last updated | 11.06.2026 |
| Platform | iOS |
Modeled monthly estimate · rating velocity · medium confidence
About
GO-21 SciRPN simulates the venerable HP-21 Pocket Scientific Calculator from 1975. Virtually indistinguishable from the real item in operation, GO-21 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 • One storage register with arithmetic memory operators • Math, trigonometric, polar…
Trends & analysis
Chart rank trend
US · overallWhy it's surfacing
Scout 13Ratings & velocity
Rating distribution
100% positive · 12 ratingsGeographic reach
best rank · 0 storefrontsRevenue & downloads trend
ARPU $2Update history
1 update tracked- v26.5.17d ago
- Repair broken icon and update documentation. - Update to Apple OS versions 26.5.1.
GO-21 SciRPN — FAQ
How much money does GO-21 SciRPN make?
According to AppCurrents estimates, GO-21 SciRPN generates approximately $10–$60 per month (medium confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.
How many downloads does GO-21 SciRPN get?
GO-21 SciRPN sees an estimated 6–30 downloads per month on the App Store, per AppCurrents modeling.
Is GO-21 SciRPN free?
GO-21 SciRPN is a paid app priced at $2.99 on the App Store.
What is GO-21 SciRPN's rating?
GO-21 SciRPN holds a 4.92-star average from 12 ratings on the App Store.
When was GO-21 SciRPN released?
GO-21 SciRPN launched on the App Store on 28.08.2009. Its latest version shipped 11.06.2026.
