OBDII Trouble Codes vs Barrier BY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBDII Trouble Codes
Access a comprehensive offline database of over 18,500 diagnostic trouble codes for cars. Simply enter a fault code to get detailed descriptions without needing an internet connection or car model selection.
- Offline OBD2/EOBD code database
- Over 18,500 error descriptions
- No internet connection required
- Simple fault code entry
- Supports generic and manufacturer-specific codes
- Copy and paste error descriptions
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This app is the most complete offline OBD2 (EOBD) diagnostic trouble code definitions database. It contains more than 18500 error descriptions. It is the most full database in market. Very simple to use! You don't even have to select your car model. Just enter your fault code and app will show you all supported descriptions. No Internet connection needed, no longer spend hours to search for single code description, looking at check engine light. If you have usb, bluetooth or WiFi OBDII code reader (ELM327, PLX Kiwi or any other) you need this app for code description because most of code scanners does not contain full DTC (diagnostic trouble code) database and displays only meaningfull numbers. Be prepared for any troubles wherever you are! You can select and copy error description with simple long press on text, and then paste it in SMS, e-mail or wherever you want! If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Also there is a list of more than 13500 additional manufacturer specific codes. Supported manufacturers with specific codes: Acura Alfa Romeo BMW Chrysler / Dodge / Jeep Citroen / Peugeot Daewoo Fiat Ford Geo GM (Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac) Honda Hyundai Infinity Isuzu Jaguar Kia Lamborghini Land Rover Lexus Lincoln Mazda Mercedes Mercury Mini Mitsubishi Nissan Oldsmobile Opel / Vauxhall Plymouth Porsche Renault (DF codes) Saab Saturn Scion Subaru Suzuki Toyota Volskwagen Audi Group Volvo Note that it is impossible to create complete OBD DTC database. Manufacturers adding new codes and changing old ones. So if you cannot find your code or if you think that some code not correct anymore, please write us!
Barrier BY
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Приложение «Барьер» — это удобный цифровой помощник для всех, кто заботится о качестве воды дома. Вы уже пользуетесь фильтром или только выбираете подходящее решение, теперь всё необходимое в одном месте. Для тех, у кого уже есть фильтр Контролируйте ресурс картриджей прямо в личном кабинете. Приложение напомнит, когда подходит время замены, чтобы вы всегда были уверены в качестве очистки. Нужно обслуживание? Закажите вызов мастера на дом в один клик. Для тех, кто только выбирает Встроенный магазин поможет подобрать фильтр и картриджи под ваши потребности. Актуальные модели, подробные описания и простое оформление заказа — в приложении есть всё, чтобы покупка была лёгкой и понятной. Больше выгоды с программой лояльности С приложением «Барьер» покупки становятся ещё приятнее. Участвуйте в программе лояльности, накапливайте гидробаллы и оплачивайте ими новые заказы. Каждому зарегистрированному пользователю +50 гидробаллов на счёт (50 руб.) при регистрации.
Screenshots
Verdict
The clearest difference is price: Barrier BY at Free against OBDII Trouble Codes's $3.99. Barrier BY also leads on update cadence (weekly vs every 25 months). OBDII Trouble Codes's advantage is iOS requirement (13.0 vs 15.1). On 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
Barrier BY is free to download; OBDII Trouble Codes costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OBDII Trouble Codes ships an update every 25 months, Barrier BY weekly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | OBDII Trouble Codes | Barrier BY |
|---|---|---|
| Price | $3.99 | Free — better |
| Positive reviews | 21.4% of reviews | — |
| Update frequency | Every 25 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 54 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleg Chumakov | MF MEDIA LEND |
In-app purchases
OBDII Trouble Codes
No in-app purchases
Barrier BY
No in-app purchases









