2 vs airEkey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2
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.
- 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
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2-Stroke-Mix is your little helper whenever you need to mix 2-stroke gasoline. The App calculates the correct amount of oil in fluid ounces which must be added to a given amount of gas to create the correct mix for your engine. The App support all kind of mixes and comes with a predefined set of mixes like 50:1 40:1 32:1 25:1 for all kind of different two stroke engines like garden machines, RC hobby engines or motorcycles. You can create and save your own mixes and canister sizes to calculate the correct mix of your need! You can also switch to metric units if you want to.
airEkey
Control and manage smart locks remotely. Bind your smart lock, add gateways, and manage access cards. Open locks via Bluetooth, Zigbee, card, or internet.
- Bind welock devices
- Add BLE and ZigBee gateways
- Manage access cards
- Remote device management
- Open lock via multiple methods
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user AirEkey you can do this: 1.bind welock 2.add ble gateway 3.add ZigBee gateway 4.manage card via Internet 5.manage your devices 6.open lock by Bluetooth/Zigbee/Card/Internet 7.active welock
Screenshots
Verdict
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.
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.
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.
| Parameter | 2 | airEkey |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 64.7% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 16 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Quast | Shenzhen Myhand Industrial Co., Ltd. |
Customer experience
2
airEkey
In-app purchases
2
No in-app purchases
airEkey
No in-app purchases
