# Focus Study Timer vs Not To

The clearest difference is ads: Not To at none against Focus Study Timer's shown. Focus Study Timer's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Focus Study Timer sells 11 in-app purchases, starting at $4.99 per month and Not To sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Focus Study Timer ships an update weekly, Not To every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Focus Study Timer | Not To |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (98 ratings)](https://appshunter.io/ios/app/focus-study-timer-flightmode/id6754469745/reviews)** | — |
| Number of ratings | **98** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 139 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lohan Serre](https://appshunter.io/developer/1834688520) | [Zura Labs Ltd](https://appshunter.io/developer/1880532490) |

## What reviewers say

### Focus Study Timer

[App page](https://appshunter.io/ios/app/focus-study-timer-flightmode/id6754469745)

This app transforms study and focus sessions into immersive flights with ambient sounds and dynamic maps. It combines a focus timer with distraction-free habits to support deep concentration for students, professionals, and individuals with ADHD.

**Highlights:** Immersive focus flights with ambient sounds, Virtual flights to chosen destinations, Detailed productivity stats tracking, Dynamic maps for real-time route following, Gentle app blocker for distraction-free focus, Customizable study trip planning

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Weekly Subscription | $5.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $17.99 | per year |
| Annual Subscription | $17.99 | per year |
| Annual Subscription | $29.99 | per year |
| Annual Subscription | $39.99 | per year |
| Lifetime Subscription | $24.99 | one-time |
| Lifetime Promo Payment | $24.99 | one-time |
| Lifetime Subscription | $49.99 | one-time |
| Lifetime Payment | $49.99 | one-time |


### Not To

[App page](https://appshunter.io/ios/app/not-to-do-break-bad-habits/id6762068820)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Annual | $24.99 | per year |


## Frequently asked questions

### Is Focus Study Timer free?

Focus Study Timer is free to download, with in-app purchases available.

### Is Not To free?

Not To is free to download, with in-app purchases available.

### Do Focus Study Timer or Not To have ads?

Focus Study Timer shows ads; Not To does not.

### Which is updated more often, Focus Study Timer or Not To?

Focus Study Timer ships an update weekly, and Not To every 3 weeks. Most recently, Focus Study Timer was updated on October 24, 2026 and Not To on October 14, 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.*