# DeadlineGuard vs Chain

The clearest difference is in-app purchases: DeadlineGuard at none against Chain's 10. DeadlineGuard also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Chain sells 10 in-app purchases, starting at $2.99 per month. DeadlineGuard asks for nothing beyond the download.

DeadlineGuard ships an update every 10 days, Chain weekly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | DeadlineGuard | Chain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 28 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [OrionEdge Technologies LLC](https://appshunter.io/developer/1826348367) | [Matthew Busel](https://appshunter.io/developer/6810582483) |

## What reviewers say

### DeadlineGuard

[App page](https://appshunter.io/ios/app/deadlineguard/id6757660906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chain

[App page](https://appshunter.io/ios/app/chain-habit-tracker/id6814264554)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chain Plus, monthly | $2.99 | per month |
| Chain Plus, yearly | $14.99 | per year |
| Streak Repair | $0.99 | one-time |
| Bloom Theme | $0.99 | one-time |
| Gold Theme | $0.99 | one-time |
| Tide Theme | $0.99 | one-time |
| Violet Theme | $0.99 | one-time |
| Celebration Pack | $0.99 | one-time |
| Freeze Pack | $0.99 | one-time |
| Chain Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is DeadlineGuard free?

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

### Is Chain free?

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

### Do DeadlineGuard or Chain have ads?

Neither DeadlineGuard nor Chain shows ads.

### Which is updated more often, DeadlineGuard or Chain?

DeadlineGuard ships an update every 10 days, and Chain weekly. Most recently, DeadlineGuard was updated on October 28, 2026 and Chain on October 26, 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.*