# Lemax vs KeyBox

Lemax and KeyBox 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.

Lemax ships an update fortnightly, KeyBox weekly. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Lemax | KeyBox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 22 MB | 132 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Бастион](https://appshunter.io/developer/1169050232) | [Andrey Bolushevskii](https://appshunter.io/developer/1805532487) |

## What reviewers say

### Lemax

[App page](https://appshunter.io/ios/app/lemax/id1487418621)

Remotely manage your LEMAX boiler system from your mobile device. Monitor temperature, receive emergency alerts, and set heating schedules for optimal comfort and efficiency.

**Highlights:** Remote boiler control, Temperature monitoring, Emergency alerts, Scheduled temperature management, Wi-Fi, GSM, GPRS connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyBox

[App page](https://appshunter.io/ios/app/keybox/id1619610208)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lemax free?

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

### Is KeyBox free?

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

### Do Lemax or KeyBox have ads?

Neither Lemax nor KeyBox shows ads.

### Which is updated more often, Lemax or KeyBox?

Lemax ships an update fortnightly, and KeyBox weekly. Most recently, Lemax was updated on October 1, 2026 and KeyBox on October 4, 2026.

---

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