Comparison

RSL FOTA 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 FOTA

Features

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A simple application to demonstrate Firmware Over-The-Air (FOTA) for onsemi RSL10/RSL15 Bluetooth Low Energy devices. RSL10 and RSL15 are ultra-low power Bluetooth Low Energy wireless microcontrollers from onsemi. The FOTA application acts as a central device to scan, connect and transmit the firmware image to a remote RSL10 or RSL15 device. The remote device firmware must have FOTA-enabled firmware to receive the FOTA firmware image. For more information, visit the RSL10 and RSL15 webpage on https://www.onsemi.com. For support, visit the onsemi Community Forum at https://www.onsemi.com/forum/. Note: - RSL FOTA application requires Bluetooth Low Energy feature to be enabled to scan for Bluetooth Low Energy devices.

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 FOTA4 screens

Atmosic DevTools1 screens

Verdict

The call

The clearest difference is update cadence: Atmosic DevTools at every 2 months against RSL FOTA's every 29 months. RSL FOTA's advantage is iOS requirement (10.2 vs 14.5). On price, 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

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 FOTA ships an update every 29 months, Atmosic DevTools every 2 months. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level

RSL FOTA versus Atmosic DevTools: the parameters behind the verdict, then further details
Parameter	RSL FOTA	Atmosic DevTools
Price	Free	Free
Update frequency	Every 29 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	10.2 — better	14.5
Further details — not scored
Size	9 MB	7 MB
Age rating	4+	4+
Developer	ON SEMICONDUCTOR CORPORATION	Atmosic Technologies, Inc.

In-app purchases

None

RSL FOTA

No in-app purchases

None

Atmosic DevTools

No in-app purchases

Questions

Is RSL FOTA free?

RSL FOTA 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 FOTA or Atmosic DevTools have ads?

Neither RSL FOTA nor Atmosic DevTools shows ads.

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

RSL FOTA ships an update every 29 months, and Atmosic DevTools every 2 months. Most recently, RSL FOTA was updated on September 27, 2026 and Atmosic DevTools on October 4, 2026.