# Simpli Soda CO2 Refills vs Hellovet

The clearest difference is ads: Hellovet at none against Simpli Soda CO2 Refills's shown. Hellovet also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, 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.

Simpli Soda CO2 Refills ships an update every 11 months, Hellovet every 15 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Simpli Soda CO2 Refills | Hellovet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/simpli-soda-co2-refills/id6449626991/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 33.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 11 months** | Every 15 months |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 50 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simpli Soda](https://appshunter.io/developer/1689916915) | [Buzen Technologies Co.Limited](https://appshunter.io/developer/1332560972) |

## What reviewers say

### Simpli Soda CO2 Refills

[App page](https://appshunter.io/ios/app/simpli-soda-co2-refills/id6449626991)

This app simplifies CO2 cylinder exchanges for home carbonation systems. It allows users to easily order exchanges, manage delivery locations and payment information, and save money through competitive pricing and discounts.

**Highlights:** Easy CO2 exchange ordering, Manage delivery addresses, Update payment information, Save money on exchanges, Streamlined transaction process

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and well supported
- 🚀 Fast reliable service
- 👍 Easy to use website
- 👍 Great service
- 👍 Delicious & easy

**What reviewers complain about**

- 🐛 App quality hit or miss
- 💸 Increasing prices
- 🐛 App doesn't do anything
- ⏳ Timing sucks
- 🐛 App freezes up

**Reported bugs**

- App freezes on opening
- App freezes during login
- App doesn't open or spins
- App crashes during setup/ordering
- App errors out during checkout (address to payment)

**Requested features**

- Improve cost competitiveness
- Allow users to stay logged in
- Simplify two-factor authentication
- Allow multiple shipping addresses
- Improve Apple Pay integration


### Hellovet

[App page](https://appshunter.io/ios/app/hellovet/id6479019574)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simpli Soda CO2 Refills free?

Simpli Soda CO2 Refills is free to download, with no in-app purchases.

### Is Hellovet free?

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

### Do Simpli Soda CO2 Refills or Hellovet have ads?

Simpli Soda CO2 Refills shows ads; Hellovet does not.

### Which is updated more often, Simpli Soda CO2 Refills or Hellovet?

Simpli Soda CO2 Refills ships an update every 11 months, and Hellovet every 15 months. Most recently, Simpli Soda CO2 Refills was updated on October 30, 2026 and Hellovet on October 27, 2026.

---

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