# iHorology vs Spider mini

The clearest difference is price: iHorology at Free against Spider mini's $1.99. iHorology also leads on iOS requirement (12.0 vs 17.0). Spider mini's advantage is update cadence (every 9 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

iHorology is free to download; Spider mini costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iHorology ships an update every 2 months, Spider mini every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iHorology | Spider mini |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/ihorology/id1633242134/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 35 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Kaizen Writer](https://appshunter.io/developer/1633242376) | [Kai Luo](https://appshunter.io/developer/344176636) |

## What reviewers say

### iHorology

[App page](https://appshunter.io/ios/app/ihorology/id1633242134)

This app simulates the functions of a mechanical watch on your phone or tablet. It offers a wide range of features found in real-world timepieces, including chronographs, calendars, and chiming functions. Experience the complexity of mechanical watches with customizable options.

**Highlights:** Chronograph functions (split, flyback, monopusher), Perpetual and annual calendars, Minute repeaters and chiming features, Customizable bezel options, GMT, alarm, and moonphase complications, Power reserve simulation

**In-app purchases:** none


### Spider mini

[App page](https://appshunter.io/ios/app/spider-mini/id6451081819)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is iHorology free?

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

### Is Spider mini free?

Spider mini costs $1.99, with no in-app purchases.

### Do iHorology or Spider mini have ads?

Neither iHorology nor Spider mini shows ads.

### Which is updated more often, iHorology or Spider mini?

iHorology ships an update every 2 months, and Spider mini every 9 days. Most recently, iHorology was updated on October 24, 2026 and Spider mini on October 25, 2026.

---

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