Rollout Calculator vs ORCA Blucon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rollout Calculator
This utility app calculates the travel distance of an RC direct drive car per motor rotation. It simplifies setup by displaying results in three easy-to-read tables, allowing users to select gear teeth and tire diameter.
- Rollout distance calculation
- Three display tables
- Pinion and spur gear selection
- Tire diameter input
- Pitch setting
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“Rollout" means the travel distance (mm) of a RC direct drive car with one rotation of the motor. It is said that Rollout is one of the important items on the setup. "Rollout Calculator - RC DD car" calculates Rollout with a simple operation and displays it in three tables that are easy to use for setup. (How to use) - Select from three types with two tables to display on the screen from the "Display types" button. - Tap the button on the top of the screen to open the picker, so select the number of pinion gear teeth, spur gear teeth, and tire diameter to be the center of the table. - Select the pitch of the selection item from the "Setting" button. The developer assumes no responsibility for any accident, violation, loss or claims by third parties which may arise from the use of this app.
ORCA Blucon
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The ORCA Application can be used in conjunction with ORCA's OTA Module(Blucon) to program all ESCs that are currently using ORCA'S OE1 Program cards, like the OE1, OE101, BP1001, Totem and future ORCA ESC that ORCA will be launching in the future. ETS control ESC is also compatible the Orca Blucon App and Blucon module. The new method of communication with the ESCs would make setting, setup saving and setup sharing more conveniently and instantaneously.
Screenshots
Verdict
The clearest difference is ads: ORCA Blucon at none against Rollout Calculator's shown. ORCA Blucon also leads on iOS requirement (10.0 vs 15.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Rollout Calculator ships an update every 2 months, ORCA Blucon monthly. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.
| Parameter | Rollout Calculator | ORCA Blucon |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (11 ratings) — better | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Takao Ichimura | Xiamen Yipai Electronic Technology Co., Ltd. |
In-app purchases
Rollout Calculator
No in-app purchases
ORCA Blucon
No in-app purchases
Questions
Is Rollout Calculator free?
Is ORCA Blucon free?
Do Rollout Calculator or ORCA Blucon have ads?
Which is updated more often, Rollout Calculator or ORCA Blucon?
Other comparisons
