# KD Serials vs StealthESS

KD Serials and StealthESS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

KD Serials ships an update every 4 weeks, StealthESS monthly. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | KD Serials | StealthESS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 39 MB | 73 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [Suzhou Stealth Energy Technology Ltd.](https://appshunter.io/developer/1636797006) |

## What reviewers say

### KD Serials

[App page](https://appshunter.io/ios/app/kd-serials/id1576490437)

**Features:** macOS Compatibility

**In-app purchases:** none


### StealthESS

[App page](https://appshunter.io/ios/app/stealthess/id1636797004)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KD Serials free?

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

### Is StealthESS free?

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

### Do KD Serials or StealthESS have ads?

Neither KD Serials nor StealthESS shows ads.

### Which is updated more often, KD Serials or StealthESS?

KD Serials ships an update every 4 weeks, and StealthESS monthly. Most recently, KD Serials was updated on October 17, 2026 and StealthESS on October 5, 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.*