Comparison

RSL FOTA vs DarknessPush

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

Head to head

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

DarknessPush

This free, open-source utility allows developers to test push notifications on iOS and iPadOS devices. It provides a comprehensive set of APNS fields for configuring and sending test alerts.

Highlights

Free and open source
Comprehensive APNS fields
Autosave input data
Supports P8 Auth Key
Configurable APNS type and environment

Features

Read full description

Free open source push utility on your iOS/iPadOS! Features: - Free - Open source - Rich set of APNS fields - Autosave all input data for next sessions APNS testing fields: - Team ID - P8 Auth Key - Key ID (fills automatically from P8 filename) - Bundle ID - Body - Collapse ID (optional) - APNS type (alert by default) - Environment (production by default) - Priority (10 by default) Source code: https://github.com/ILYA-2606/DarknessPush

Screenshots

RSL FOTA4 screens

DarknessPush1 screens

Verdict

The call

The clearest difference is update cadence: DarknessPush at every 3 months against RSL FOTA's every 29 months. 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, DarknessPush every 3 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

Scorecard1 real difference · 7 level

RSL FOTA versus DarknessPush: the parameters behind the verdict, then further details
Parameter	RSL FOTA	DarknessPush
Price	Free	Free
Positive reviews	—	50.0% of reviews
Update frequency	Every 29 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod, Mac — better
Requires iOS	10.2 — better	11.0
Further details — not scored
Size	9 MB	32 MB
Age rating	4+	4+
Developer	ON SEMICONDUCTOR CORPORATION	ILIA SHKOLNIK

In-app purchases

None

RSL FOTA

No in-app purchases

None

DarknessPush

No in-app purchases

Questions

Is RSL FOTA free?

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

Is DarknessPush free?

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

Do RSL FOTA or DarknessPush have ads?

Neither RSL FOTA nor DarknessPush shows ads.

Which is updated more often, RSL FOTA or DarknessPush?

RSL FOTA ships an update every 29 months, and DarknessPush every 3 months. Most recently, RSL FOTA was updated on October 25, 2026 and DarknessPush on November 3, 2026.