# HEKA vs MLS Sleep

The clearest difference is update cadence: HEKA at fortnightly against MLS Sleep's every 4 months. MLS Sleep's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HEKA ships an update fortnightly, MLS Sleep every 4 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | HEKA | MLS Sleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 124 MB | 43 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IFUTURELAB INC](https://appshunter.io/developer/1775898189) | [Shenzhen Glamour Technology Co., Ltd.](https://appshunter.io/developer/1555640422) |

## What reviewers say

### HEKA

[App page](https://appshunter.io/ios/app/heka/id1546956653)

**Features:** macOS Compatibility

**In-app purchases:** none


### MLS Sleep

[App page](https://appshunter.io/ios/app/mls-sleep/id1610481975)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HEKA free?

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

### Is MLS Sleep free?

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

### Do HEKA or MLS Sleep have ads?

Neither HEKA nor MLS Sleep shows ads.

### Which is updated more often, HEKA or MLS Sleep?

HEKA ships an update fortnightly, and MLS Sleep every 4 months. Most recently, HEKA was updated on October 27, 2026 and MLS Sleep on October 27, 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.*