O vs Asadas+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Asadas+
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ASADAS+ conecta a las Asociaciones Administradoras de los Sistemas de Acueductos y Alcantarillados Comunales (ASADAS) con sus usuarios permitiendo una comunicación más fluida y mayor participación de la gestión comunitaria del agua. En ASADAS+ las ASADAS crean un perfil personalizado en donde suben información relevante como: reportes de funcionamiento, información sobre trámites y aspectos legales, información de cobros, envió de notificaciones e información de general. Al mismo tiempo los usuarios tienen acceso en tiempo real a la información que necesiten sobre su servicio de agua y pueden hacer consultas directamente a la ASADA a la que pertenece. ASADAS+, es una aplicación gratuita diseñada por el proyecto "Accountable providers, technology and citizen participation for improved water services in vulnerable communities of Costa Rica" ejecutado por la Unidad de Ambiente para el Desarrollo de CATIE y financiado por la iniciativa CARSI de la Embajada de los Estados Unidos de América.
Screenshots
Verdict
The clearest difference is update cadence: Asadas+ at every 6 weeks against O's every 11 months. Asadas+ also leads on iOS requirement (12.0 vs 16.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
O ships an update every 11 months, Asadas+ every 6 weeks. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.
| Parameter | O | Asadas+ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | GE MAO RUBBER INDUSTRIAL CO., LTD. | Aplicativa |
In-app purchases
O
No in-app purchases
Asadas+
No in-app purchases
