# TikChecker vs Chemi

The clearest difference is ads: Chemi at none against TikChecker's shown. Chemi also leads on update cadence (every 8 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

TikChecker ships an update every 7 months, Chemi every 8 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | TikChecker | Chemi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/tikchecker/id1584018325/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 46 MB | 13 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Luiz Santos](https://appshunter.io/developer/1130097167) | [Aidan Flaherty](https://appshunter.io/developer/1655542841) |

## What reviewers say

### TikChecker

[App page](https://appshunter.io/ios/app/tikchecker/id1584018325)

Easily check username availability across various platforms. This tool helps you find unique names for your brand, business, or personal use. It also suggests alternatives if your desired username is taken.

**Highlights:** Check username availability, Suggest alternative usernames, Save checked usernames, Simple search interface

**In-app purchases:** none


### Chemi

[App page](https://appshunter.io/ios/app/chemi-social-search-engine/id6444590793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TikChecker free?

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

### Is Chemi free?

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

### Do TikChecker or Chemi have ads?

TikChecker shows ads; Chemi does not.

### Which is updated more often, TikChecker or Chemi?

TikChecker ships an update every 7 months, and Chemi every 8 days. Most recently, TikChecker was updated on October 27, 2026 and Chemi on October 27, 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.*