BTR_OCC vs BU01 Reader
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BTR_OCC
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BTR_OCC App is a mobile app which is used as a tool for remote settings of BTR_OCC occupancy sensor.
BU01 Reader
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IVF-BU01 is a portable micro RFID UHF reader, with the ability to connect to iOS phone .
Screenshots
Verdict
The clearest difference is iOS requirement: BU01 Reader at 9.0 against BTR_OCC's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.
| Parameter | BTR_OCC | BU01 Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 12.0 | 9.0 โ better |
| Further details โ not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | acv | ่ฒๆ ๆ |
In-app purchases
BTR_OCC
No in-app purchases
BU01 Reader
No in-app purchases
Questions
Is BTR_OCC free?
Is BU01 Reader free?
Do BTR_OCC or BU01 Reader have ads?
Which is updated more often, BTR_OCC or BU01 Reader?
Other comparisons
