# 2 vs airEkey

The clearest difference is rating: airEkey at 5.0 against 2's 3.0. 2's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (8.0 vs 14.0). On price, ratings volume, 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.

airEkey holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

2 ships an update every 2 weeks, airEkey every 2 months. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 2 | airEkey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/2-stroke-mix/id1114612988/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/airekey/id1533612995/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 16 MB | 42 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Quast](https://appshunter.io/developer/888082239) | [Shenzhen Myhand Industrial Co., Ltd.](https://appshunter.io/developer/1133801007) |

## 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


### airEkey

[App page](https://appshunter.io/ios/app/airekey/id1533612995)

Control and manage smart locks remotely. Bind your smart lock, add gateways, and manage access cards. Open locks via Bluetooth, Zigbee, card, or internet.

**Highlights:** Bind welock devices, Add BLE and ZigBee gateways, Manage access cards, Remote device management, Open lock via multiple methods

**In-app purchases:** none


## Frequently asked questions

### Is 2 free?

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

### Is airEkey free?

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

### Which has better reviews, 2 or airEkey?

airEkey is rated higher. 2 averages 3.0 out of 5 from 2 ratings, while airEkey averages 5.0 from 1 ratings.

### Do 2 or airEkey have ads?

Neither 2 nor airEkey shows ads.

### Which is updated more often, 2 or airEkey?

2 ships an update every 2 weeks, and airEkey every 2 months. Most recently, 2 was updated on October 21, 2026 and airEkey on October 8, 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.*