# Rex Voice vs Focus Study Timer

The clearest difference is ads: Rex Voice at none against Focus Study Timer's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Rex Voice sells 3 one-off in-app purchases and Focus Study Timer sells 11 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Rex Voice ships an update every 10 days, Focus Study Timer weekly. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Rex Voice | Focus Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (76 ratings)](https://appshunter.io/ios/app/focus-study-timer-flightmode/id6754469745/reviews)** |
| Number of ratings | — | **76** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 139 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Natalia Swierczyna](https://appshunter.io/developer/1735961535) | [Lohan Serre](https://appshunter.io/developer/1834688520) |

## What reviewers say

### Rex Voice

[App page](https://appshunter.io/ios/app/rex-voice/id6504091114)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 min | $0.99 | one-time |
| 30 min | $2.99 | one-time |
| 1 hour | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is Rex Voice free?

Rex Voice is free to download, with in-app purchases available.

### Is Focus Study Timer free?

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

### Do Rex Voice or Focus Study Timer have ads?

Focus Study Timer shows ads; Rex Voice does not.

### Which is updated more often, Rex Voice or Focus Study Timer?

Rex Voice ships an update every 10 days, and Focus Study Timer weekly. Most recently, Rex Voice was updated on October 10, 2026 and Focus Study Timer on September 30, 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.*