# BTECH GMRS Programmer vs Caliper Voice

The clearest difference is price: BTECH GMRS Programmer at Free against Caliper Voice's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

BTECH GMRS Programmer is free to download; Caliper Voice costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BTECH GMRS Programmer ships an update monthly, Caliper Voice every 2 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BTECH GMRS Programmer | Caliper Voice |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 28.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 32 MB | 18 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B-Tech Distribution, Inc](https://appshunter.io/developer/1621110937) | [Sean League](https://appshunter.io/developer/6790586185) |

## What reviewers say

### BTECH GMRS Programmer

[App page](https://appshunter.io/ios/app/btech-gmrs-programmer/id1621110785)

This app provides wireless control and programming for a specific GMRS radio. Manage channels, create custom groups, and update firmware. It also offers offline maps and text messaging capabilities for enhanced communication.

**Highlights:** Wireless radio programming, Channel and group management, Custom group lists, Firmware update notifications, Offline map downloads, Text messaging, Location sharing

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Programs channels easily
- 👍 Pairs quickly
- 👍 Real-time sync
- 👍 Good radio quality
- 👍 Basic UI understandable

**What reviewers complain about**

- 🐛 Crashes immediately after update
- 🐛 App opens then shuts down
- 🐛 Crashing when connecting to Bluetooth
- 🐛 Login functionality doesn't work
- 🐛 Firmware update check fails

**Reported bugs**

- App crashes immediately after starting
- App crashes when trying to connect to Bluetooth
- App opens and shuts on its own
- App crashes within five seconds of launching
- App crashes as soon as you pair a radio

**Requested features**

- Monitor and talk via app (like Android)
- TX and RX via the app
- Pass through audio
- Show other users' positions on map (iOS)
- Activate tone scanning from app


### Caliper Voice

[App page](https://appshunter.io/ios/app/caliper-voice/id6790586183)

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

**In-app purchases:** none


## Frequently asked questions

### Is BTECH GMRS Programmer free?

BTECH GMRS Programmer is free to download, with no in-app purchases.

### Is Caliper Voice free?

Caliper Voice costs $0.99, with no in-app purchases.

### Do BTECH GMRS Programmer or Caliper Voice have ads?

Neither BTECH GMRS Programmer nor Caliper Voice shows ads.

### Which is updated more often, BTECH GMRS Programmer or Caliper Voice?

BTECH GMRS Programmer ships an update monthly, and Caliper Voice every 2 months. Most recently, BTECH GMRS Programmer was updated on October 24, 2026 and Caliper Voice on October 31, 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.*