# HV Knoch vs NanoSubs

The clearest difference is in-app purchases: HV Knoch at none against NanoSubs's 1. HV Knoch also leads on iOS requirement (15.6 vs 17.6). NanoSubs's advantage is update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. NanoSubs sells 1 one-off in-app purchase. HV Knoch asks for nothing beyond the download.

HV Knoch ships an update every 2 months, NanoSubs every 9 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | HV Knoch | NanoSubs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 46 MB | 7 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Idwell GmbH](https://appshunter.io/developer/1269662593) | [恒俭 董](https://appshunter.io/developer/947356968) |

## What reviewers say

### HV Knoch

[App page](https://appshunter.io/ios/app/hv-knoch/id6478235912)

**In-app purchases:** none


### NanoSubs

[App page](https://appshunter.io/ios/app/nanosubs/id6759703321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is HV Knoch free?

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

### Is NanoSubs free?

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

### Do HV Knoch or NanoSubs have ads?

Neither HV Knoch nor NanoSubs shows ads.

### Which is updated more often, HV Knoch or NanoSubs?

HV Knoch ships an update every 2 months, and NanoSubs every 9 days. Most recently, HV Knoch was updated on October 16, 2026 and NanoSubs on October 5, 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.*