Comparison

nRF Connect Device Manager vs blob

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

Head to head
About

nRF Connect Device Manager

This tool allows for the updating and management of devices running specific SDKs via Bluetooth LE. It supports features like firmware updates, file system access, and device reset.

Highlights
  • Firmware Update Over-The-Air (FOTA)
  • File System Management
  • Device Reset
  • Logs & Stats
  • Bluetooth LE Support
Read full description

nRF Connect Device Manager is a generic tool for updating and managing devices running nRF Connect SDK supporting Device Manager module over Bluetooth LE (aka Management Subsystem, Mcu Manager, Bare Metal, SMP Server, SUIT). Features: * Basic: Echo, Reset * Firmware Update Over-The-Air (FOTA, DFU) * File System * Logs & stats Links: Source code: https://github.com/NordicSemiconductor/IOS-nRF-Connect-Device-Manager * nRF Connect SDK: https://www.nordicsemi.com/Software-and-tools/Software/nRF-Connect-SDK * SMP Server Sample Doc: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/samples/subsys/mgmt/mcumgr/smp_svr/README.html#smp-svr-sample * McuManager: https://github.com/apache/mynewt-mcumgr * SMP over Bluetooth: https://github.com/apache/mynewt-mcumgr/blob/master/transport/smp-bluetooth.md

About

blob

This app provides a unique binary encoding method and supports multiple data formats like hex, decimal, and base64. It ensures type safety for data conversions and keeps a history of performed actions for debugging. Additional tools like substring and random bytes are also included.

Highlights
  • Blob encoding (base256)
  • Multiple data formats (binary, hex, base64, etc.)
  • Type-safe data actions
  • Action history log
  • Substring tool
  • Random bytes generator
Read full description

blob brings binary to your shortcuts. - blob encoding! a base256 format that makes data distinct and type safe. - other formats! supports binary, hex, decimal, base32, base64, and xxd data. and UTF-8, and ascii text. - type safety! blob actions use consistent parameter and return value labels to ensure you're using what you want, where you want it. - no more encoding blunders! each action either performs text -> data or data -> text, so you never end up encoding your encoded string, or interpreting encoded data as text. - keep track! the app records every action to view, share, and debug. - additional tools! Substring and Random Bytes because they're helpful.

Screenshots

nRF Connect Device Manager4 screens
blob4 screens

Verdict

The call

The clearest difference is price: nRF Connect Device Manager at Free against blob's $2.00. nRF Connect Device Manager also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 26.0). On rating, ratings volume, ads and in-app purchases 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

nRF Connect Device Manager is free to download; blob costs $2.00 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for nRF Connect Device Manager against 5.0 for blob. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

nRF Connect Device Manager ships an update every 3 weeks, blob every 3 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
nRF Connect Device Manager versus blob: the parameters behind the verdict, then further details
ParameternRF Connect Device Managerblob
PriceFree — better$2.00
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.0
Further details — not scored
Size5 MB1 MB
Age rating4+4+
DeveloperNordic Semiconductor ASAX-AMZ LLC

Customer experience

nRF Connect Device Manager

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

blob

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

nRF Connect Device Manager

No in-app purchases

None

blob

No in-app purchases

Questions

Is nRF Connect Device Manager free?
nRF Connect Device Manager is free to download, with no in-app purchases.
Is blob free?
blob costs $2.00, with no in-app purchases.
Which has better reviews, nRF Connect Device Manager or blob?
nRF Connect Device Manager and blob are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do nRF Connect Device Manager or blob have ads?
Neither nRF Connect Device Manager nor blob shows ads.
Which is updated more often, nRF Connect Device Manager or blob?
nRF Connect Device Manager ships an update every 3 weeks, and blob every 3 months. Most recently, nRF Connect Device Manager was updated on November 11, 2026 and blob on October 30, 2026.

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