Featherweight UI vs Bloo Ink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Featherweight UI
Connect your Bluetooth-enabled Featherweight Altimeters products to your phone. View live sensor data, configure settings, download flight information, and track your rocket's position and velocity with a live map.
- Connects to BLE Featherweight Altimeters
- View live sensor data
- Set deployment conditions
- Download and review flight data
- Track rocket position and velocity
- Live map for recovery planning
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The Featherweight Interface app connects any of your Bluetooth-enabled Featherweight Altimeters products to your phone. For the Blue Raven flight computer, use your phone to see live sensor data, set up deployment conditions, download and review recorded flight data, and more! For the Featherweight GPS tracker, your phone points to your rocket and provides all the rocket position, velocity, link quality and tracker health data you would want at your fingertips. Live map feature plots the ground station and tracker locations to plan your recovery.
Bloo Ink
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The Bloo Ink app works in conjunction with the Bloo Ink NFC patch to transfer graphics onto the e-paper screen.
Screenshots
Verdict
The clearest difference is update cadence: Featherweight UI at every 3 weeks against Bloo Ink's every 6 months. Featherweight UI also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.5). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Featherweight UI ships an update every 3 weeks, Bloo Ink every 6 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Featherweight UI | Bloo Ink |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (12 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 101 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Featherweight Altimeters LLC | BLOO LLC |
In-app purchases
Featherweight UI
No in-app purchases
Bloo Ink
No in-app purchases
Questions
Is Featherweight UI free?
Is Bloo Ink free?
Do Featherweight UI or Bloo Ink have ads?
Which is updated more often, Featherweight UI or Bloo Ink?
Other comparisons
