Comparison

Tunnel Ninja vs Blue Pebbles

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

Head to head

★ 5.01 ratingsView app →

About

Tunnel Ninja

Features

Read full description

Tunnel Ninja lets you track your tunnel flying progress and tick off skills you've learnt. View available coaching time, get notified of the latest tunnel events and book your next session, all through the app.

About

Blue Pebbles

This app serves as a companion to the Brilliant Pebbles audible altimeter. It enhances the functionality and user experience of the altimeter device.

Highlights

Companion app functionality
Enhances altimeter device
Audible altimeter integration

Features

Read full description

Companion app for the Brilliant Pebbles audible altimeter.

Screenshots

Tunnel Ninja4 screens

Blue Pebbles4 screens

Verdict

The call

The clearest difference is iOS requirement: Blue Pebbles at 13.0 against Tunnel Ninja's 15.0. On price, update cadence, 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

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

UpkeepUpdate frequency

Tunnel Ninja ships an update every 3 months, Blue Pebbles every 4 months. Both last shipped on November 3, 2026.

Scorecard1 real difference · 8 level

Tunnel Ninja versus Blue Pebbles: the parameters behind the verdict, then further details
Parameter	Tunnel Ninja	Blue Pebbles
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 3 months — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	13.0 — better
Further details — not scored
Size	50 MB	37 MB
Age rating	4+	4+
Developer	Matthew Malarkey	AON2 Ltd

In-app purchases

None

Tunnel Ninja

No in-app purchases

None

Blue Pebbles

No in-app purchases

Questions

Is Tunnel Ninja free?

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

Is Blue Pebbles free?

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

Do Tunnel Ninja or Blue Pebbles have ads?

Neither Tunnel Ninja nor Blue Pebbles shows ads.

Which is updated more often, Tunnel Ninja or Blue Pebbles?

Tunnel Ninja ships an update every 3 months, and Blue Pebbles every 4 months. Most recently, Tunnel Ninja was updated on November 3, 2026 and Blue Pebbles on November 3, 2026.