# 2 vs Premix Calculator (2 Stroke) The clearest difference is rating: Premix Calculator (2 Stroke) at 4.3 against 2's 3.0. Premix Calculator (2 Stroke) also leads on ratings volume (11 vs 2). 2's advantage is in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them. Both are free to download. Premix Calculator (2 Stroke) sells 1 one-off in-app purchase. 2 asks for nothing beyond the download. Premix Calculator (2 Stroke) holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Premix Calculator (2 Stroke) has 11 ratings behind it against 2, so its average is the more settled of the two. 2 ships an update every 2 weeks, Premix Calculator (2 Stroke) every 3 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively. ## The numbers | Metric | 2 | Premix Calculator (2 Stroke) | | --- | --- | --- | | Price | Free | Free | | Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/2-stroke-mix/id1114612988/reviews) | **[4.3 (11 ratings)](https://appshunter.io/ios/app/premix-calculator-2-stroke/id6749201236/reviews)** | | Number of ratings | 2 | **11** | | Positive reviews | 64.7% of reviews | — | | In-app purchases | **No** | Yes | | Ads | No | No | | Update frequency | **Every 2 weeks** | Every 3 months | | Monetization | **Free** | Free with in-app purchases | | Size | 16 MB | 34 MB | | Requires iOS | **8.0** | 13.0 | | Devices | iPhone, iPod | **iPhone, iPad, iPod** | | Age rating | 4+ | +17 | | Developer | [Alexander Quast](https://appshunter.io/developer/888082239) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) | ## What reviewers say ### 2 [App page](https://appshunter.io/ios/app/2-stroke-mix/id1114612988) This utility app helps you calculate the precise amount of oil needed for your 2-stroke gasoline engine. It supports various standard mixes and allows you to create and save custom ratios for different engines and canister sizes. You can also switch between imperial and metric units. **Highlights:** Calculates oil for 2-stroke gasoline, Supports standard mix ratios (50:1, 40:1, etc.), Create and save custom mixes, Save custom canister sizes, Switch between imperial and metric units **Features:** macOS Compatibility **In-app purchases:** none ### Premix Calculator (2 Stroke) [App page](https://appshunter.io/ios/app/premix-calculator-2-stroke/id6749201236) Easily calculate the correct fuel-to-oil ratio for your 2-stroke engine. Input your desired mix and fuel amount to get the precise oil quantity needed, preventing engine damage and ensuring smooth operation. Includes helpful articles and guides. **Highlights:** Calculate optimal fuel-to-oil mix ratio, Use premix chart for quick oil quantity lookup, Read informative articles on 2-stroke premixing, Eliminate guesswork in fuel mixing, Prevent engine damage **Features:** macOS Compatibility, Vision Pro support **In-app purchases (1)** | Purchase | Price | Billing | | --- | --- | --- | | Remove Ads Forever | $3.99 | one-time | ## Frequently asked questions ### Is 2 free? 2 is free to download, with no in-app purchases. ### Is Premix Calculator (2 Stroke) free? Premix Calculator (2 Stroke) is free to download, with in-app purchases available. ### Which has better reviews, 2 or Premix Calculator (2 Stroke)? Premix Calculator (2 Stroke) is rated higher. 2 averages 3.0 out of 5 from 2 ratings, while Premix Calculator (2 Stroke) averages 4.3 from 11 ratings. ### Do 2 or Premix Calculator (2 Stroke) have ads? Neither 2 nor Premix Calculator (2 Stroke) shows ads. ### Which is updated more often, 2 or Premix Calculator (2 Stroke)? 2 ships an update every 2 weeks, and Premix Calculator (2 Stroke) every 3 months. Most recently, 2 was updated on November 2, 2026 and Premix Calculator (2 Stroke) on November 5, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*