Comparison

9011B vs RRTool

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

Head to head

About

9011B

Features

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The Jenco 9011B app connects via Bluetooth with Jenco’s latest professional portable DO/temperature meter to enable additional data storage and data sharing functionality. * Easily pair the iPhone with Jenco models 9011B professional DO/temperature portable meters. * Keep your iPhone in your pocket while out in the field. Data from connected meter is saved in the app. * Share saved data with other apps for reporting or further analysis.

About

RRTool

Features

Read full description

RRTool is the extended features companion app to your RR1090 digital refractometer and similar Bay Area Instruments devices. It communicates via encrypted BLE with your device, mirroring its buttons and providing extended functionalities such as: cloud spreadsheet logging of your measurements, enabling of ATC for Brix, QR code generation and device firmware upgrades.

Screenshots

9011B3 screens

RRTool4 screens

Verdict

The call

The clearest difference is update cadence: RRTool at every 4 months against 9011B's every 12 months. 9011B's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

9011B ships an update every 12 months, RRTool every 4 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 4 level

9011B versus RRTool: the parameters behind the verdict, then further details
Parameter	9011B	RRTool
Price	Free	Free
Update frequency	Every 12 months	Every 4 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	14.0
Further details — not scored
Size	23 MB	5 MB
Age rating	4+	4+
Developer	Jenco Instruments, Inc.	Bay Area Instruments Inc.

In-app purchases

None

9011B

No in-app purchases

None

RRTool

No in-app purchases

Questions

Is 9011B free?

9011B is free to download, with no in-app purchases.

Is RRTool free?

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

Do 9011B or RRTool have ads?

Neither 9011B nor RRTool shows ads.

Which is updated more often, 9011B or RRTool?

9011B ships an update every 12 months, and RRTool every 4 months. Most recently, 9011B was updated on October 25, 2026 and RRTool on October 27, 2026.