Oil Specifications vs Hiram's Vault
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oil Specifications
Access detailed technical information on lubricants, including motor and gear oil specifications and standards. Learn about key industry organizations and OEM requirements, with articles addressing common lubrication issues.
- Lubricant and oil specifications
- Industry standards (API, ACEA)
- OEM specifications
- Articles on lubrication issues
- Consumer-friendly language
- Information on key organizations
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Understand oil specifications and manufacturer approvals with a clear reference library for iPhone and iPad. Browse API, ACEA, ILSAC, JASO, and manufacturer standards, or explore practical articles about oils, lubrication, and automotive fluids. Content updates automatically from oilspecifications.org, with a downloaded library you can read wherever you are. • Search specification codes, standards, and articles—even offline. • Jump straight to individual codes with an in-page contents list. • Save useful references with bookmarks stored on your device. • Read tables, explanations, and source references without advertising clutter. • Share references and find content through Spotlight. • Enjoy a native iPhone and iPad experience with dark mode and adjustable text sizes. No account is required. Always confirm the required specification and viscosity in the vehicle manufacturer’s current documentation.
Hiram's Vault
Discover and connect with Masonic events through a unified platform. Facilitates communication and information sharing for members.
- Masonic event listings
- Centralized communication
- Information sharing
- Event discovery
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This app provides a centralized location for masonic events and communication.
Screenshots
Verdict
The clearest difference is review sentiment: Hiram's Vault at 100% against Oil Specifications's 0%. Hiram's Vault also leads on price (Free vs $4.99) and update cadence (every 2 weeks vs every 10 months). 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
Hiram's Vault is free to download; Oil Specifications costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Oil Specifications ships an update every 10 months, Hiram's Vault every 2 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Oil Specifications | Hiram's Vault |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 10 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 38 MB | 53 MB |
| Age rating | 4+ | 17+ |
| Developer | My Web Kft. | Jason Amick |
Customer experience
Oil Specifications
Hiram's Vault
In-app purchases
Oil Specifications
No in-app purchases
Hiram's Vault
No in-app purchases
Questions
Is Oil Specifications free?
Is Hiram's Vault free?
Do Oil Specifications or Hiram's Vault have ads?
Which is updated more often, Oil Specifications or Hiram's Vault?
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