# Kcell Filter vs TC

The clearest difference is review sentiment: TC at 100% against Kcell Filter's 33%. Kcell Filter's advantage is price (Free vs $1.99) and iOS requirement (8.0 vs 13.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Kcell Filter is free to download; TC costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kcell Filter ships an update every 2 months, TC every 3 months. The most recent releases landed on August 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Kcell Filter | TC |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tc-rtd-reference/id6504454500/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 4 MB | 12 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kcell JSC](https://appshunter.io/developer/497644005) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### Kcell Filter

[App page](https://appshunter.io/ios/app/kcell-filter/id638701576)

Manage incoming and outgoing calls with customizable block and allow lists. Control who can contact you and who you can call, with options for voice calls, SMS, or both. Set up filters for your own number or for family members.

**Highlights:** Incoming call and SMS filtering, Outgoing call filtering, Black and White lists, Customizable greeting messages, Filter management for other numbers, Daily subscriber fee

**Features:** Vision Pro support

**In-app purchases:** none


### TC

[App page](https://appshunter.io/ios/app/tc-rtd-reference/id6504454500)

This utility app provides quick and accurate conversions between resistance, potential, and temperature for various thermocouples and RTDs. It supports offline use, temperature recording with export, and offers an intuitive interface for field technicians and engineers.

**Highlights:** Thermocouple and RTD conversion, Supports multiple sensor types, Offline functionality, Temperature recording and charting, Export data to Excel, Intuitive user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Kcell Filter free?

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

### Is TC free?

TC costs $1.99, with no in-app purchases.

### Do Kcell Filter or TC have ads?

Neither Kcell Filter nor TC shows ads.

### Which is updated more often, Kcell Filter or TC?

Kcell Filter ships an update every 2 months, and TC every 3 months. Most recently, Kcell Filter was updated on August 24, 2026 and TC on September 15, 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.*