# Hi vs Synops

The clearest difference is update cadence: Hi at every 2 months against Synops's every 14 months. Hi also leads on iOS requirement (14.0 vs 26.0). 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.

Hi ships an update every 2 months, Synops every 14 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hi | Synops |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (23 ratings)](https://appshunter.io/ios/app/hi-line/id954510033/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | Free | — |
| Size | 603 MB | 2 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hi-Line Inc.](https://appshunter.io/developer/961754297) | [Foxtrot LLC](https://appshunter.io/developer/1700319524) |

## What reviewers say

### Hi

[App page](https://appshunter.io/ios/app/hi-line/id954510033)

Access a vast catalog of over 100,000 products, whether online or offline. Quickly find parts by scanning labels or add them to your list. Includes how-to videos and a knowledge base for industrial hardware needs.

**Highlights:** Offline product catalog access, Scan custom backplates and bin labels, Add parts to a list, Access how-to videos, Extensive knowledge base

**Features:** macOS Compatibility

**In-app purchases:** none


### Synops

[App page](https://appshunter.io/ios/app/synops/id6456177464)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hi free?

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

### Is Synops free?

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

### Do Hi or Synops have ads?

Neither Hi nor Synops shows ads.

### Which is updated more often, Hi or Synops?

Hi ships an update every 2 months, and Synops every 14 months. Most recently, Hi was updated on October 24, 2026 and Synops 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.*