# Kartoffel vs Silent Proof

The clearest difference is update cadence: Kartoffel at every 2 days against Silent Proof's every 4 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.

Kartoffel ships an update every 2 days, Silent Proof every 4 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kartoffel | Silent Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/kartoffel-voice-echo/id6468971553/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Free | — |
| Size | 3 MB | 22 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kyung Jun Lee](https://appshunter.io/developer/1694956002) | [Archana Pant](https://appshunter.io/developer/1836174047) |

## What reviewers say

### Kartoffel

[App page](https://appshunter.io/ios/app/kartoffel-voice-echo/id6468971553)

This app helps you refine your accent and speaking skills by echoing your voice. It provides immediate auditory feedback to guide you in shaping your pronunciation closer to native speakers.

**Highlights:** Voice echo for pronunciation practice, Accent refinement, Native speaker comparison, Language speaking skill improvement

**Features:** macOS Compatibility

**In-app purchases:** none


### Silent Proof

[App page](https://appshunter.io/ios/app/silent-proof-focus-tracker/id6760334674)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kartoffel free?

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

### Is Silent Proof free?

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

### Do Kartoffel or Silent Proof have ads?

Neither Kartoffel nor Silent Proof shows ads.

### Which is updated more often, Kartoffel or Silent Proof?

Kartoffel ships an update every 2 days, and Silent Proof every 4 months. Most recently, Kartoffel was updated on November 3, 2026 and Silent Proof on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*