# Peristock vs Zerogaspy

The clearest difference is update cadence: Zerogaspy at every 2 days against Peristock's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Peristock sells 3 one-off in-app purchases and Zerogaspy sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Peristock ships an update every 3 weeks, Zerogaspy every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Peristock | Zerogaspy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mehdi Chennoufi](https://appshunter.io/developer/1326612162) | [Quentin Manfredi](https://appshunter.io/developer/1868211141) |

## What reviewers say

### Peristock

[App page](https://appshunter.io/ios/app/peristock/id1409389244)

This app helps you reduce food waste by tracking expiration dates. Scan products or manually enter dates to receive timely alerts before items spoil. It also provides nutritional and environmental scores for scanned items.

**Highlights:** Expiration date tracking, Product scanning, Customizable alerts, Nutritional information, Environmental scoring, Open Food Facts integration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peristock+ 1 month | $0.99 | one-time |
| Peristock+ 6 months | $4.99 | one-time |
| Peristock+ 12 months | $9.99 | one-time |


### Zerogaspy

[App page](https://appshunter.io/ios/app/zerogaspy/id6757676680)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zerogaspy Pro Mensuel | $3.99 | per month |
| Zerogaspy Pro Annuel | $34.99 | per year |


## Frequently asked questions

### Is Peristock free?

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

### Is Zerogaspy free?

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

### Do Peristock or Zerogaspy have ads?

Both Peristock and Zerogaspy show ads.

### Which is updated more often, Peristock or Zerogaspy?

Peristock ships an update every 3 weeks, and Zerogaspy every 2 days. Most recently, Peristock was updated on October 24, 2026 and Zerogaspy on October 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.*