Comparison

RSL FOTA vs OTA Programmer

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

OTA Programmer

Features

Read full description

Turn on Bluetooth: you will be able to find Mares computers that support the new 'Over The Air' (OTA) update service and install the latest firmware on your device. You can also export dives from your logbook and share them with applications which support the Dive Organizer format. https://youtu.be/FftKOYvLpME

Screenshots

RSL FOTA4 screens

OTA Programmer3 screens

Verdict

The call

The clearest difference is update cadence: OTA Programmer at every 5 months against RSL FOTA's every 29 months. RSL FOTA's advantage is iOS requirement (10.2 vs 13.0). 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, OTA Programmer every 5 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 4 level

RSL FOTA versus OTA Programmer: the parameters behind the verdict, then further details
Parameter	RSL FOTA	OTA Programmer
Price	Free	Free
Update frequency	Every 29 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	10.2 — better	13.0
Further details — not scored
Size	9 MB	24 MB
Age rating	4+	4+
Developer	ON SEMICONDUCTOR CORPORATION	Head Watersports S.p.A.

In-app purchases

None

RSL FOTA

No in-app purchases

None

OTA Programmer

No in-app purchases

Questions

Is RSL FOTA free?

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

Is OTA Programmer free?

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

Do RSL FOTA or OTA Programmer have ads?

Neither RSL FOTA nor OTA Programmer shows ads.

Which is updated more often, RSL FOTA or OTA Programmer?

RSL FOTA ships an update every 29 months, and OTA Programmer every 5 months. Most recently, RSL FOTA was updated on October 25, 2026 and OTA Programmer on November 3, 2026.