Comparison

BAS2 RRC vs CAR OBD

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

BAS2 RRC

Control an engine diagnostic tool for CAN-based cars. Read and clear fault codes, view live engine data graphically or numerically, and perform ECU service tests. Access ECU information and more through your iPhone or iPad.

Highlights

Fault code reading and clearing
Engine live data (numerical/graphical)
ECU service tests
ECU information
Bluetooth Smart control

Features

Read full description

This IOS Application is to control the BAS2 RRC tool as an engine diagnostic interface for late model 11 and 29 bits CAN based cars. The diagnostic interface boasts many features including fault code reading and clearing, engine live data screens in numerical or ghrapical views, ECU service tests, provides ECU info and more... The BAS2 RRC app allows the use of a Bluetooth Smart enabled tool named BAS2 RRC through an iPhone or iPad.

About

CAR OBD

This utility app helps users manage car keys by facilitating the matching of existing keys and the addition of new ones. It supports both single key additions and batch processing for multiple keys.

Highlights

Match car keys
Add single car key
Batch add multiple keys
Supports iPhone and iPad

Features

Read full description

An App for matching car keys, adding one key or batchadding multiple keys

Screenshots

BAS2 RRC1 screens

CAR OBD4 screens

Verdict

The call

The clearest difference is review sentiment: BAS2 RRC at 100% against CAR OBD's 0%. BAS2 RRC also leads on in-app purchases (none vs 5) and iOS requirement (9.0 vs 13). CAR OBD's advantage is update cadence (every 6 weeks vs every 47 months). 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. CAR OBD sells 5 one-off in-app purchases. BAS2 RRC asks for nothing beyond the download.

UpkeepUpdate frequency

BAS2 RRC ships an update every 47 months, CAR OBD every 6 weeks. The most recent releases landed on October 7, 2026 and September 16, 2026 respectively.

Scorecard5 real differences · 5 level

BAS2 RRC versus CAR OBD: the parameters behind the verdict, then further details
Parameter	BAS2 RRC	CAR OBD
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Positive reviews	100.0% of reviews — better	0.0% of reviews
Number of ratings	—	1 — better
Update frequency	Every 47 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free — better	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	13
Further details — not scored
Size	25 MB	15 MB
Age rating	4+	4+
Developer	Bell Auto Services Ltd	Dongguan Shendu Research Intelligent Technology Co., Ltd.

Customer experience

BAS2 RRC

Written reviews7 reviews

Positive100.0%

Neutral0.0%

Negative0.0%

CAR OBD

All ratings1 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

Written reviews1 reviews

Positive0.0%

Neutral0.0%

Negative100.0%

In-app purchases

None

BAS2 RRC

No in-app purchases

5 purchases

CAR OBD

One-time5

OBD number recharge One$3.00
OBD number recharge Two$6.00
OBD number recharge three$9.00

Show 2 more

OBD number recharge four$12.00
OBD number recharge five$15.00

Questions

Is BAS2 RRC free?

BAS2 RRC is free to download, with no in-app purchases.

Is CAR OBD free?

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

Do BAS2 RRC or CAR OBD have ads?

Neither BAS2 RRC nor CAR OBD shows ads.

Which is updated more often, BAS2 RRC or CAR OBD?

BAS2 RRC ships an update every 47 months, and CAR OBD every 6 weeks. Most recently, BAS2 RRC was updated on October 7, 2026 and CAR OBD on September 16, 2026.