# HBS20 vs BladderVol

The clearest difference is update cadence: HBS20 at every 2 months against BladderVol's every 9 months. 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.

HBS20 ships an update every 2 months, BladderVol every 9 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HBS20 | BladderVol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 26 MB | 3 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mianyang Meike Electronic Equipment Co., Ltd](https://appshunter.io/developer/1821159669) | [Edge Life Technologies LLC](https://appshunter.io/developer/1663450410) |

## What reviewers say

### HBS20

[App page](https://appshunter.io/ios/app/hbs20-bladder-tracker/id6747381992)

**Features:** macOS Compatibility

**In-app purchases:** none


### BladderVol

[App page](https://appshunter.io/ios/app/bladdervol/id6749077780)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HBS20 free?

HBS20 is free to download, with no in-app purchases.

### Is BladderVol free?

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

### Do HBS20 or BladderVol have ads?

Neither HBS20 nor BladderVol shows ads.

### Which is updated more often, HBS20 or BladderVol?

HBS20 ships an update every 2 months, and BladderVol every 9 months. Most recently, HBS20 was updated on October 7, 2026 and BladderVol on October 12, 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.*