# un DEUX vs Mode On

The clearest difference is in-app purchases: un DEUX at none against Mode On's 1. un DEUX also leads on ads (none vs shown). Mode On's advantage is update cadence (every 4 days vs every 4 months) and iOS requirement (11.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Mode On sells 1 one-off in-app purchase. un DEUX asks for nothing beyond the download.

un DEUX ships an update every 4 months, Mode On every 4 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | un DEUX | Mode On |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 86 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mitsutaka Sugahara](https://appshunter.io/developer/1519365881) | [Kota Suzuki](https://appshunter.io/developer/1621032637) |

## What reviewers say

### un DEUX

[App page](https://appshunter.io/ios/app/un-deux/id1519365879)

**Features:** Apple Wallet

**In-app purchases:** none


### Mode On

[App page](https://appshunter.io/ios/app/mode-on/id6449795570)

This app helps you mentally switch between different states, like work and personal time. It allows you to clearly separate your mind's 'on' and 'off' modes to fully enjoy each activity. Seamlessly transition between tasks and leisure to maximize your day.

**Highlights:** Mental state separation, Work/life balance tool, Focus enhancement, Activity-specific mind modes, Enjoyment maximization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $1.99 | one-time |


## Frequently asked questions

### Is un DEUX free?

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

### Is Mode On free?

Mode On is free to download, with in-app purchases available.

### Do un DEUX or Mode On have ads?

Mode On shows ads; un DEUX does not.

### Which is updated more often, un DEUX or Mode On?

un DEUX ships an update every 4 months, and Mode On every 4 days. Most recently, un DEUX was updated on October 25, 2026 and Mode On on October 19, 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.*