Comparison

RSL Central vs Atmosic DevTools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Development tool for BLE

Free

🔧 Utilities

No ratingsView app →

About

RSL Central

Features

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An easy-to-use app to get started with onsemi Bluetooth Low Energy wireless microcontrollers and periphery devices. RSL Central scans for and establishes a Bluetooth Low Energy connection with onsemi Bluetooth Low Energy wireless microcontrollers. The app displays fields such as measured battery level, voltage, current, LED status, push button status, or others depending on the onsemi wireless microcontroller and configuration.

About

Atmosic DevTools

Features

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Demo interacting with Atmosic Bluetooth LE devices. - Monitor the sensor data (temperature/humidity/gravity vectors) - Config the device by AT Command - Upgrade by OTA

Screenshots

RSL Central4 screens

Atmosic DevTools1 screens

Verdict

The call

RSL Central and Atmosic DevTools are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RSL Central ships an update every 3 months, Atmosic DevTools every 2 months. The most recent releases landed on December 5, 2025 and September 17, 2026 respectively.

ScorecardNo meaningful differences

RSL Central versus Atmosic DevTools: the parameters behind the verdict, then further details
Parameter	RSL Central	Atmosic DevTools
Price	Free	Free
Update frequency	Every 3 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	14.5 — better
Further details — not scored
Size	1 MB	7 MB
Age rating	4+	4+
Developer	ON SEMICONDUCTOR CORPORATION	Atmosic Technologies, Inc.

In-app purchases

None

RSL Central

No in-app purchases

None

Atmosic DevTools

No in-app purchases

Questions

Is RSL Central free?

RSL Central is free to download, with no in-app purchases.

Is Atmosic DevTools free?

Atmosic DevTools is free to download, with no in-app purchases.

Do RSL Central or Atmosic DevTools have ads?

Neither RSL Central nor Atmosic DevTools shows ads.

Which is updated more often, RSL Central or Atmosic DevTools?

RSL Central ships an update every 3 months, and Atmosic DevTools every 2 months. Most recently, RSL Central was updated on December 5, 2025 and Atmosic DevTools on September 17, 2026.