# Days Counter (Countdown Days) vs Invincible Scanner

The clearest difference is in-app purchases: Invincible Scanner at none against Days Counter (Countdown Days)'s 1. Days Counter (Countdown Days)'s advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Days Counter (Countdown Days) sells 1 one-off in-app purchase. Invincible Scanner asks for nothing beyond the download.

Days Counter (Countdown Days) ships an update every 5 weeks, Invincible Scanner every 4 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Days Counter (Countdown Days) | Invincible Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 31 MB | 240 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [庆鸿 林](https://appshunter.io/developer/1558629938) | [HONGKONG HUIG TRADING LIMITED](https://appshunter.io/developer/1749253327) |

## What reviewers say

### Days Counter (Countdown Days)

[App page](https://appshunter.io/ios/app/days-counter-countdown-days/id1587592197)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Membership | $9.99 | one-time |


### Invincible Scanner

[App page](https://appshunter.io/ios/app/invincible-scanner/id6503436860)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Days Counter (Countdown Days) free?

Days Counter (Countdown Days) is free to download, with in-app purchases available.

### Is Invincible Scanner free?

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

### Do Days Counter (Countdown Days) or Invincible Scanner have ads?

Both Days Counter (Countdown Days) and Invincible Scanner show ads.

### Which is updated more often, Days Counter (Countdown Days) or Invincible Scanner?

Days Counter (Countdown Days) ships an update every 5 weeks, and Invincible Scanner every 4 months. Most recently, Days Counter (Countdown Days) was updated on September 9, 2026 and Invincible Scanner on September 11, 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.*