# 0PANIC vs HoldOn

The clearest difference is in-app purchases: 0PANIC at none against HoldOn's 1. 0PANIC also leads on ads (none vs shown). HoldOn's advantage is device support (3 vs 1) and iOS requirement (13.3 vs 17.6). On price and update cadence there is nothing between them.

Both are free to download. HoldOn sells 1 one-off in-app purchase. 0PANIC asks for nothing beyond the download.

0PANIC ships an update every 2 weeks, HoldOn fortnightly. The most recent releases landed on June 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 0PANIC | HoldOn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 31 MB | 26 MB |
| Requires iOS | 17.6 | **13.3** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LUCA PUNZO](https://appshunter.io/developer/1892152255) | [SEONYONG LEE](https://appshunter.io/developer/6775892940) |

## What reviewers say

### 0PANIC

[App page](https://appshunter.io/ios/app/0panic/id6770878569)

**In-app purchases:** none


### HoldOn

[App page](https://appshunter.io/ios/app/holdon-panic-attack-relief/id6791641521)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HoldOn Premium (Lifetime) | $7.99 | one-time |


## Frequently asked questions

### Is 0PANIC free?

0PANIC is free to download, with no in-app purchases.

### Is HoldOn free?

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

### Do 0PANIC or HoldOn have ads?

HoldOn shows ads; 0PANIC does not.

### Which is updated more often, 0PANIC or HoldOn?

0PANIC ships an update every 2 weeks, and HoldOn fortnightly. Most recently, 0PANIC was updated on June 19, 2026 and HoldOn on September 17, 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.*