Comparison

Whisper vs HartBR Devices

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

Head to head
About

Whisper

Features
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Want to send some secrets to somebody? Whisper can help you! By encrypting with a specific key, Whisper can turn any text into Emojis. You can then send these Emojis any way you want. Without the corresponding key, your secrets can never be compromised. Whisper supports to create two kinds of keys: Random Secure Key and Passphrase Derived Key. Both kinds of keys can be shared with QR code. Whisper uses a hybrid 256-bit encryption algorithm, which is theoretically difficult to break. To learn more, just try it now!

About

HartBR Devices

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HartBR Devices is the official HartBR app for monitoring and configuring smart reclosers via Bluetooth Low Energy (BLE). With HartBR Devices you manage, in real time, devices from the RKT, FLC and 3F models directly from your smartphone or tablet — no cables or additional equipment needed. **Key features:** • Fast and secure Bluetooth Low Energy (BLE) connection to Hart reclosers • Real-time readings of electrical measurements, device states and events • Configuration of operational parameters, operation modes and protection settings • Access level control (read, write and admin) with token-based authentication • IoT connectivity support via LoRa and LTE • Compatible with RKT, FLC and 3F models • Intuitive interface **Who is this app for?** HartBR Devices is designed for electrical industry professionals — engineers, field technicians and operators — working with HartBR equipment for power distribution. **Requirements:** • Device with Bluetooth 4.0 or higher • iOS 14 or higher

Screenshots

Whisper3 screens
HartBR Devices4 screens

Verdict

The call

The clearest difference is update cadence: Whisper at every 4 days against HartBR Devices's every 3 weeks. HartBR Devices's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

Whisper ships an update every 4 days, HartBR Devices every 3 weeks. Both last shipped on October 2, 2026.

Scorecard3 real differences Ā· 3 level
Whisper versus HartBR Devices: the parameters behind the verdict, then further details
ParameterWhisperHartBR Devices
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size2 MB64 MB
Age rating4+17+
Developerę˜±ę˜• 陈Ricardo Moura

In-app purchases

None

Whisper

No in-app purchases

None

HartBR Devices

No in-app purchases

Questions

Is Whisper free?
Whisper is free to download, with no in-app purchases.
Is HartBR Devices free?
HartBR Devices is free to download, with no in-app purchases.
Do Whisper or HartBR Devices have ads?
Neither Whisper nor HartBR Devices shows ads.
Which is updated more often, Whisper or HartBR Devices?
Whisper ships an update every 4 days, and HartBR Devices every 3 weeks. Most recently, Whisper was updated on October 2, 2026 and HartBR Devices on October 2, 2026.

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