# Teradog vs HeyArgo

The clearest difference is update cadence: HeyArgo at every 5 days against Teradog's every 11 days. Teradog's advantage is iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Teradog sells 13 in-app purchases, starting at $25.00 per year and HeyArgo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Teradog ships an update every 11 days, HeyArgo every 5 days. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Teradog | HeyArgo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Size | 54 MB | 27 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Teradog](https://appshunter.io/developer/1777069972) | [Valentino Arcuri](https://appshunter.io/developer/1830540393) |

## What reviewers say

### Teradog

[App page](https://appshunter.io/ios/app/teradog/id6737562229)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abbonamento annuale | $25.00 | per year |
| Educazione ed esercizio fisico | $14.00 | one-time |
| Legame affettivo con il cane | $14.00 | one-time |
| Nutrizione e salute del cane | $14.00 | one-time |
| Salute e prevenzione | $14.00 | one-time |
| Profilassi vaccinale | $14.90 | one-time |
| La gestione delle emorragie | $14.90 | one-time |
| La profilassi per leishmaniosi | $14.90 | one-time |
| La profilassi antirabbica | $14.90 | one-time |
| Gestione di crisi epilettiche | $14.90 | one-time |
| Profilassi vaccinale | $22.90 | one-time |
| La profilassi per leishmaniosi | $22.90 | one-time |
| Gestione di crisi epilettiche | $22.90 | one-time |


### HeyArgo

[App page](https://appshunter.io/ios/app/heyargo/id6749464029)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeyArgo Monthly | $3.99 | per month |
| HeyArgo Annual | $29.99 | per year |


## Frequently asked questions

### Is Teradog free?

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

### Is HeyArgo free?

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

### Do Teradog or HeyArgo have ads?

Neither Teradog nor HeyArgo shows ads.

### Which is updated more often, Teradog or HeyArgo?

Teradog ships an update every 11 days, and HeyArgo every 5 days. Most recently, Teradog was updated on September 30, 2026 and HeyArgo on September 25, 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.*