# Time Delay calculator vs Chart AI

The clearest difference is in-app purchases: Time Delay calculator at none against Chart AI's 3. Time Delay calculator also leads on update cadence (fortnightly vs every 2 months). Chart AI's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chart AI sells 3 in-app purchases, starting at $4.99 per 7 days. Time Delay calculator asks for nothing beyond the download.

Time Delay calculator ships an update fortnightly, Chart AI every 2 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Time Delay calculator | Chart AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 36 MB | 32 MB |
| Requires iOS | 15.8.3 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Shivam Tripathi](https://appshunter.io/developer/1821411787) |

## What reviewers say

### Time Delay calculator

[App page](https://appshunter.io/ios/app/time-delay-calculator/id6502032872)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chart AI

[App page](https://appshunter.io/ios/app/chart-ai-trading-ai-analysis/id6756201031)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chart Weekly | $4.99 | per 7 days |
| Chart Yearly | $39.99 | per year |
| Chart Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Time Delay calculator free?

Time Delay calculator is free to download, with no in-app purchases.

### Is Chart AI free?

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

### Do Time Delay calculator or Chart AI have ads?

Time Delay calculator shows ads; Chart AI does not.

### Which is updated more often, Time Delay calculator or Chart AI?

Time Delay calculator ships an update fortnightly, and Chart AI every 2 months. Most recently, Time Delay calculator was updated on October 25, 2026 and Chart AI on October 30, 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.*