# Holyiot vs Synopsis Track

The clearest difference is update cadence: Synopsis Track at every 4 months against Holyiot's every 24 months. Holyiot's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Holyiot ships an update every 24 months, Synopsis Track every 4 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Holyiot | Synopsis Track |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 months** |
| Size | 16 MB | 58 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) | [Digital Matter Pty Ltd](https://appshunter.io/developer/1132506291) |

## What reviewers say

### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-dfu/id6445978221)

**Features:** macOS Compatibility

**In-app purchases:** none


### Synopsis Track

[App page](https://appshunter.io/ios/app/synopsis-track/id6467191493)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Holyiot free?

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

### Is Synopsis Track free?

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

### Do Holyiot or Synopsis Track have ads?

Neither Holyiot nor Synopsis Track shows ads.

### Which is updated more often, Holyiot or Synopsis Track?

Holyiot ships an update every 24 months, and Synopsis Track every 4 months. Most recently, Holyiot was updated on October 7, 2026 and Synopsis Track 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.*