# Deadline Guard vs Streak Stack

The clearest difference is in-app purchases: Streak Stack at none against Deadline Guard's 1. Streak Stack also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Deadline Guard sells 1 one-off in-app purchase. Streak Stack asks for nothing beyond the download.

Deadline Guard ships an update every 3 weeks, Streak Stack fortnightly. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Deadline Guard | Streak Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 22 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Laggner](https://appshunter.io/developer/1869869367) | [Sergio Vazquez](https://appshunter.io/developer/1807606896) |

## What reviewers say

### Deadline Guard

[App page](https://appshunter.io/ios/app/deadline-guard-reminders/id6757948881)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deadline Guard PRO | $2.99 | one-time |


### Streak Stack

[App page](https://appshunter.io/ios/app/streak-stack-habit-tracker/id6776901355)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deadline Guard free?

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

### Is Streak Stack free?

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

### Do Deadline Guard or Streak Stack have ads?

Neither Deadline Guard nor Streak Stack shows ads.

### Which is updated more often, Deadline Guard or Streak Stack?

Deadline Guard ships an update every 3 weeks, and Streak Stack fortnightly. Most recently, Deadline Guard was updated on October 20, 2026 and Streak Stack on October 9, 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.*