# Study & Focus | withfocus vs BatteryNest

The clearest difference is update cadence: BatteryNest at every 4 days against Study & Focus | withfocus's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Study & Focus | withfocus sells 4 one-off in-app purchases and BatteryNest sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Study & Focus | withfocus ships an update every 10 days, BatteryNest every 4 days. The most recent releases landed on August 20, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Study & Focus | withfocus | BatteryNest |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 60 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kokoro Tsukazaki](https://appshunter.io/developer/1858240635) | [shunta nakamura](https://appshunter.io/developer/1876115931) |

## What reviewers say

### Study & Focus | withfocus

[App page](https://appshunter.io/ios/app/study-and-focus-withfocus/id6760407688)

Enhance your focus sessions with virtual companions that grow and change as you dedicate time to tasks. Create personalized rooms and track your progress with detailed statistics to stay motivated during study, work, or hobbies.

**Highlights:** Focus session tracking, Progress statistics, Unlockable companions, Customizable AI-generated rooms, Widget support, Multi-language support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crochet Fox | $0.99 | one-time |
| Reading Pup | $0.99 | one-time |
| Room Creation Ticket (1) | $1.99 | one-time |
| Room Creation Ticket (3) | $5.99 | one-time |


### BatteryNest

[App page](https://appshunter.io/ios/app/batterynest/id6767813207)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BatteryNest Pro (Monthly) | $1.99 | per month |
| BatteryNest Pro (Annual) | $11.99 | per year |
| Ticket ×1 | $0.49 | one-time |
| Ticket ×5 | $1.99 | one-time |
| Ticket ×12 | $4.99 | one-time |


## Frequently asked questions

### Is Study & Focus | withfocus free?

Study & Focus | withfocus is free to download, with in-app purchases available.

### Is BatteryNest free?

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

### Do Study & Focus | withfocus or BatteryNest have ads?

Neither Study & Focus | withfocus nor BatteryNest shows ads.

### Which is updated more often, Study & Focus | withfocus or BatteryNest?

Study & Focus | withfocus ships an update every 10 days, and BatteryNest every 4 days. Most recently, Study & Focus | withfocus was updated on August 20, 2026 and BatteryNest on September 6, 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.*