# MarsMars vs Deili

MarsMars and Deili 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.

MarsMars ships an update weekly, Deili every 10 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MarsMars | Deili |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marsmars/id1270594217/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | — |
| Size | 35 MB | 57 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Puolustusvoimat](https://appshunter.io/developer/1270594216) | [Kalle Hamalainen](https://appshunter.io/developer/6809230650) |

## What reviewers say

### MarsMars

[App page](https://appshunter.io/ios/app/marsmars/id1270594217)

This app guides you to set health goals, build good habits, and improve your well-being year-round. Track your activity, diet, sleep, and recovery, and challenge yourself in various wellness areas. It also offers professional training programs and allows you to encourage friends.

**Highlights:** Goal setting, Habit formation, Activity tracking, Diet monitoring, Sleep and recovery tracking, Guided exercise programs, Social encouragement

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Deili

[App page](https://appshunter.io/ios/app/deili/id6809230648)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MarsMars free?

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

### Is Deili free?

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

### Do MarsMars or Deili have ads?

Neither MarsMars nor Deili shows ads.

### Which is updated more often, MarsMars or Deili?

MarsMars ships an update weekly, and Deili every 10 days. Most recently, MarsMars was updated on October 5, 2026 and Deili on October 10, 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.*