# Next Level Performance TT vs Locker23

The clearest difference is in-app purchases: Next Level Performance TT at none against Locker23's 3. Locker23's advantage is update cadence (every 6 weeks vs every 5 months) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Locker23 sells 3 in-app purchases, starting at $19.99 per 7 days. Next Level Performance TT asks for nothing beyond the download.

Next Level Performance TT ships an update every 5 months, Locker23 every 6 weeks. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Next Level Performance TT | Locker23 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 94 MB | 34 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Garvin Warwick](https://appshunter.io/developer/1707461573) | [Locker23 LTD](https://appshunter.io/developer/1809798671) |

## What reviewers say

### Next Level Performance TT

[App page](https://appshunter.io/ios/app/next-level-performance-tt/id6466554189)

**Features:** macOS Compatibility

**In-app purchases:** none


### Locker23

[App page](https://appshunter.io/ios/app/locker23/id6756332617)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Features | $19.99 | per 7 days |
| Monthly Premium Features | $54.99 | per month |
| Yearly Premium Features | $349.99 | per year |


## Frequently asked questions

### Is Next Level Performance TT free?

Next Level Performance TT is free to download, with no in-app purchases.

### Is Locker23 free?

Locker23 is free to download, with in-app purchases available.

### Do Next Level Performance TT or Locker23 have ads?

Neither Next Level Performance TT nor Locker23 shows ads.

### Which is updated more often, Next Level Performance TT or Locker23?

Next Level Performance TT ships an update every 5 months, and Locker23 every 6 weeks. Most recently, Next Level Performance TT was updated on October 4, 2026 and Locker23 on September 28, 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.*