# ZiiLock vs Retiro

The clearest difference is in-app purchases: ZiiLock at none against Retiro's 4. ZiiLock also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). Retiro's advantage is update cadence (every 3 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Retiro sells 4 one-off in-app purchases. ZiiLock asks for nothing beyond the download.

ZiiLock ships an update every 5 months, Retiro every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ZiiLock | Retiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (9 ratings)](https://appshunter.io/ios/app/ziilock/id1479668268/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 17 MB | 49 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yu sun](https://appshunter.io/developer/1493170986) | [Timo Strehling](https://appshunter.io/developer/6775589892) |

## What reviewers say

### ZiiLock

[App page](https://appshunter.io/ios/app/ziilock/id1479668268)

This innovative bike lock offers a foldable and proactive security solution for your bicycle. It aims to provide advanced protection against theft. The app is designed to work with the physical lock to enhance its functionality.

**Highlights:** Foldable design, Proactive security features, App integration, Bike lock functionality

**In-app purchases:** none


### Retiro

[App page](https://appshunter.io/ios/app/retiro-retirement-countdown/id6775589890)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $2.99 | one-time |
| Coffee | $3.99 | one-time |
| Large Coffee | $6.99 | one-time |
| Coffee Can | $11.99 | one-time |


## Frequently asked questions

### Is ZiiLock free?

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

### Is Retiro free?

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

### Do ZiiLock or Retiro have ads?

Retiro shows ads; ZiiLock does not.

### Which is updated more often, ZiiLock or Retiro?

ZiiLock ships an update every 5 months, and Retiro every 3 weeks. Most recently, ZiiLock was updated on November 3, 2026 and Retiro on November 5, 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.*