# ClimberLB vs Sero.

The clearest difference is update cadence: ClimberLB at every 3 days against Sero.'s every 2 months. ClimberLB also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ClimberLB ships an update every 3 days, Sero. every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ClimberLB | Sero. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 20 MB | 35 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Toby Prosser](https://appshunter.io/developer/1489973353) | [Maayan Bar Noy](https://appshunter.io/developer/1743170985) |

## What reviewers say

### ClimberLB

[App page](https://appshunter.io/ios/app/climberlb/id6480029387)

**In-app purchases:** none


### Sero.

[App page](https://appshunter.io/ios/app/sero/id6499319326)

**In-app purchases:** none


## Frequently asked questions

### Is ClimberLB free?

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

### Is Sero. free?

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

### Do ClimberLB or Sero. have ads?

Neither ClimberLB nor Sero. shows ads.

### Which is updated more often, ClimberLB or Sero.?

ClimberLB ships an update every 3 days, and Sero. every 2 months. Most recently, ClimberLB was updated on October 8, 2026 and Sero. on October 7, 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.*