# ESM Partner vs DDays

The clearest difference is update cadence: DDays at every 2 weeks against ESM Partner's every 3 months. ESM Partner's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ESM Partner ships an update every 3 months, DDays every 2 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ESM Partner | DDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/esm-partner/id1506387575/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ecosteamobile LLC](https://appshunter.io/developer/1506038224) | [Lee Jaeho](https://appshunter.io/developer/1556252425) |

## What reviewers say

### ESM Partner

[App page](https://appshunter.io/ios/app/esm-partner/id1506387575)

Book convenient, eco-friendly mobile car wash services directly from your phone. Schedule cleaning at your home or work using advanced steam technology that eliminates bacteria and grime without harsh chemicals.

**Highlights:** Mobile steam car cleaning, On-demand service booking, Eco-friendly water usage, Chemical-free cleaning, Interior disinfection, Additional detailing services

**Features:** macOS Compatibility

**In-app purchases:** none


### DDays

[App page](https://appshunter.io/ios/app/ddays/id6469691671)

Track important upcoming events with timely notifications. View countdowns directly on your home screen and lock screen widgets.

**Highlights:** D-day tracking, Advance notifications, Home screen widget, Lock screen widget, Live activity display

**In-app purchases:** none


## Frequently asked questions

### Is ESM Partner free?

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

### Is DDays free?

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

### Do ESM Partner or DDays have ads?

Neither ESM Partner nor DDays shows ads.

### Which is updated more often, ESM Partner or DDays?

ESM Partner ships an update every 3 months, and DDays every 2 weeks. Most recently, ESM Partner was updated on October 24, 2026 and DDays 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.*