# Castrol 2TRatio vs Anker Power

The clearest difference is rating: Anker Power at 4.5 against Castrol 2TRatio's 3.0. Anker Power also leads on update cadence (every 2 weeks vs every 58 months) and ratings volume (1.5K vs 4). Castrol 2TRatio's advantage is iOS requirement (10.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Anker Power holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Anker Power has 1.5K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 76% of Castrol 2TRatio's written reviews are positive against 70% of Anker Power's, so the app with the better star average is not the one people write more warmly about.

Castrol 2TRatio ships an update every 58 months, Anker Power every 2 weeks. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Castrol 2TRatio | Anker Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/castrol-2tratio/id812548191/reviews) | **[4.5 (1.5K ratings)](https://appshunter.io/ios/app/anker-power/id1635029057/reviews)** |
| Number of ratings | 4 | **1.5K** |
| Positive reviews | **75.8% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 701 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Castrol Australia Pty Ltd](https://appshunter.io/developer/812548194) | [Power Mobile Life LLC](https://appshunter.io/developer/1096079944) |

## What reviewers say

### Castrol 2TRatio

[App page](https://appshunter.io/ios/app/castrol-2tratio/id812548191)

Easily calculate the precise oil-to-fuel ratio for your 2-stroke engines. This tool is perfect for motorcycles, boats, lawnmowers, and garden equipment, ensuring you use the correct mix as recommended by manufacturers.

**Highlights:** Calculate oil-to-fuel ratio, Supports motorcycles, outboards, lawnmowers, Adjustable fuel slider, Adjustable ratio slider, Metric/Imperial measurement switch, Link to Castrol Lube guide

**Features:** macOS Compatibility

**In-app purchases:** none


### Anker Power

[App page](https://appshunter.io/ios/app/anker-power/id1635029057)

Remotely manage and monitor your Anker power banks, outdoor energy storage, and solar devices. Control output, check status, and perform over-the-air updates for a smarter energy experience.

**Highlights:** Remote device control, Real-time status monitoring, Over-the-air updates, Adjust output power, Turn devices on/off

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Powerful and reliable
- 💡 Useful app features
- 🔋 Good battery life

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔒 Privacy concerns
- 💡 Lacking advanced features
- 🔋 Battery management limitations

**Reported bugs**

- Frequent app crashes
- Firmware update issues
- Bluetooth disconnection problems

**Requested features**

- Battery health monitoring
- Customizable charge limits
- Time-of-use scheduling
- Improved app performance


## Frequently asked questions

### Is Castrol 2TRatio free?

Castrol 2TRatio is free to download, with no in-app purchases.

### Is Anker Power free?

Anker Power is free to download, with no in-app purchases.

### Which has better reviews, Castrol 2TRatio or Anker Power?

Anker Power is rated higher. Castrol 2TRatio averages 3.0 out of 5 from 4 ratings, while Anker Power averages 4.5 from 1.5K ratings.

### Do Castrol 2TRatio or Anker Power have ads?

Neither Castrol 2TRatio nor Anker Power shows ads.

### Which is updated more often, Castrol 2TRatio or Anker Power?

Castrol 2TRatio ships an update every 58 months, and Anker Power every 2 weeks. Most recently, Castrol 2TRatio was updated on October 24, 2026 and Anker Power on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*