iCube Pro vs GSL Smart ESS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCube Pro
This utility app functions as a pocket timer for speedcubing, speedstacking, and Flying Cup challenges. It offers a straightforward and polished interface for timing your puzzle-solving or cup-stacking endeavors.
- Speedcubing timer
- Speedstacking timer
- Flying Cup timer
- Pocket timer
- Simple interface
- Elegant design
Read full descriptionHide full description
iCube Pro is a speedcubing/speedstacking/Flyingcup timer in your pocket! It's a simple and elegant timer app that you must have!
GSL Smart ESS
Read full descriptionHide full description
GSL Energy provides monitoring solutions for various high and low voltage battery system devices, supporting battery systems, residential energy storage, and commercial and industrial energy storage systems.
Screenshots
Verdict
The clearest difference is price: GSL Smart ESS at Free against iCube Pro's $0.99. iCube Pro's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases 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
GSL Smart ESS is free to download; iCube Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iCube Pro ships an update every 2 months, GSL Smart ESS every 9 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | iCube Pro | GSL Smart ESS |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 8 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | 佳敏 周 | SHENZHEN GSL ENERGY CO LTD |
In-app purchases
iCube Pro
No in-app purchases
GSL Smart ESS
No in-app purchases
Questions
Is iCube Pro free?
Is GSL Smart ESS free?
Do iCube Pro or GSL Smart ESS have ads?
Which is updated more often, iCube Pro or GSL Smart ESS?
Other comparisons
