Comparison

O vs Barcode Reader

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

Head to head
About

O

This app provides a comprehensive offline tool for selecting standard rubber seal sizes, including O-Rings, X-Rings, and Back-Up Rings. It offers dimension searches, housing calculations for various sealing applications, and supports multiple international standards in both metric and imperial units.

Highlights
  • Offline standard rubber seal size selection
  • Search for O-Ring, X-Ring, and Back-Up Ring sizes
  • O-Ring housing calculations for sealing applications
  • Supports multiple international standards (AS568, METRIC, JIS, etc.)
  • Metric and Imperial unit support
  • Substitutable O-Ring size suggestions
Features
Read full description

GMORS O-Ring Master is the completed tool for standard rubber seal sizes. When you use this APP, you don't need to have internet and catalog. Except O-Ring sizes, it also includes the search functions of X-Ring and Back-Up Ring. Otherwise, you can also use O-Ring Housing to choose suitable O-Ring in your application. Main functions are as follows: Dimension Search:O-Ring, X-Ring and Back-Up Ring. - MM and Inch are both available. - Full standard O-Ring series: AS568, BS 4518, GB/T 3452.1, JIS B2401 P, JIS B2401 G, JIS B2401 S, JIS B2401 V, SMS 1586 and METRIC. - Collocated Back-Up for AS-568 O-Ring. - Substitutable O-Ring sizes within tolerance are available. O-Ring Housing: Piston Sealing、Rod Sealing and Face Sealing. - MM and Inch are both available. - Support calculation for both Static and Dynamic sealing applications (Face sealing is with static calculation only). - Up to 7 O-Ring standards ( AS568, METRIC, JIS B2401 P/G/S/V, JASO F404, GB/T 3452.1, BS 4518 and SMS 1586) for most of size requirement of different groove design.

About

Barcode Reader

Scan barcodes using your iPhone camera to quickly find product prices from online retailers. It also helps you easily reorder household or business items by scanning existing products.

Highlights
  • Scan barcodes with iPhone camera
  • Compare product prices online
  • Easily reorder items
  • Scan from camera roll
  • Save scan history
  • Export scan data to CSV
  • Bulk scanning mode
Features
Read full description

Barcode Reader is just what it says it is. Utilizing the iPhone’s camera, it allows you to scan barcodes, and checks for product prices online. It reads barcodes well and provides fast results. Barcode Scanner is useful for two major tasks: 1. Price Shopping: Just scan the product you are thinking of purchasing, and in seconds you get links and pricing from thousands of online retailers. 2. Replacing household or business items and/or consumables: When you run out of a product just scan it and in two or three clicks the least expensive replacement product is in route to you. -- Scan BarCodes,QR Codes Faster -- Scan from Camera Roll -- Automate Scanner -- Share Scan results -- Save history + csv data exports -- Bulk Mode ( Like in Shop) -- French, Spanish and English

Screenshots

O4 screens
Barcode Reader4 screens

Verdict

The call

The clearest difference is rating: O at 5.0 against Barcode Reader's 3.0. O also leads on ads (none vs shown). Barcode Reader's advantage is iOS requirement (7.1 vs 16.0). On price, review sentiment, ratings volume 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.

ReceptionRating · Positive reviews · Number of ratings

O holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scorecard3 real differences · 7 level
O versus Barcode Reader: the parameters behind the verdict, then further details
ParameterOBarcode Reader
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 11 months—
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS16.07.1 — better
Further details — not scored
Size47 MB6 MB
Age rating4+4+
DeveloperGE MAO RUBBER INDUSTRIAL CO., LTD.Aishvarya Sadasivam

Customer experience

O

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Barcode Reader

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

O

No in-app purchases

None

Barcode Reader

No in-app purchases

Questions

Is O free?
O is free to download, with no in-app purchases.
Is Barcode Reader free?
Barcode Reader is free to download, with no in-app purchases.
Which has better reviews, O or Barcode Reader?
O is rated higher. O averages 5.0 out of 5 from 1 ratings, while Barcode Reader averages 3.0 from 2 ratings.
Do O or Barcode Reader have ads?
Barcode Reader shows ads; O does not.

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