Comparison

WhotsUpBOX vs njSidekick

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

Head to head

WhotsUpBOX

Inflight Live Messaging

★ 4.513 ratingsView app →

About

WhotsUpBOX

Features

Read full description

WhotsUpBOX enables Corporate/VIP aircraft passengers and crew to connect their iPhone or iPad to the existing aircraft satellite data link. Once connected the App can send and receive Chat messages and enable Live WhatsApp access so passengers can use their own native WhatsApp App.. Chat operates over Bluetooth and requires minimal data, it requires setting up links to users on the ground before flying.

About

njSidekick

This app assists pilots in managing their complex 7&7 and 8&6 work schedules. It also serves as a resource companion and optimizes workflows for message boards.

Highlights

Schedule selection for 7&7 and 8&6 pilot schedules
Resource companion for pilots
Message board workflow optimization
Designed for iPhone, iPad, and iPod

Features

Read full description

Schedule selection companion for pilots who have 7&7 and 8&6 schedules Resource companion for pilots NodeBB message board workflow optimizer

Screenshots

WhotsUpBOX4 screens

njSidekick1 screens

Verdict

The call

The clearest difference is in-app purchases: njSidekick at none against WhotsUpBOX's 1. njSidekick also leads on update cadence (every 9 days vs every 2 months). WhotsUpBOX's advantage is iOS requirement (11.0 vs 17.0). On price, ads 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. WhotsUpBOX sells 1 one-off in-app purchase. njSidekick asks for nothing beyond the download.

UpkeepUpdate frequency

WhotsUpBOX ships an update every 2 months, njSidekick every 9 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level

WhotsUpBOX versus njSidekick: the parameters behind the verdict, then further details
Parameter	WhotsUpBOX	njSidekick
Price	Free	Free
Rating	—	4.5 (13 ratings) — better
Positive reviews	—	33.3% of reviews
Number of ratings	—	13 — better
Update frequency	Every 2 months	Every 9 days — better
Ads	No	No
In-app purchases	Yes	No — better
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	11.0 — better	17.0
Further details — not scored
Size	47 MB	72 MB
Age rating	4+	17+
Developer	ASiQ	Liquid Steam

In-app purchases

1 purchases

WhotsUpBOX

One-time1

GetMailFree

None

njSidekick

No in-app purchases

Questions

Is WhotsUpBOX free?

WhotsUpBOX is free to download, with in-app purchases available.

Is njSidekick free?

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

Do WhotsUpBOX or njSidekick have ads?

Neither WhotsUpBOX nor njSidekick shows ads.

Which is updated more often, WhotsUpBOX or njSidekick?

WhotsUpBOX ships an update every 2 months, and njSidekick every 9 days. Most recently, WhotsUpBOX was updated on October 15, 2026 and njSidekick on October 9, 2026.