# Spectra Core vs Stacklet Time Guard

The clearest difference is rating: Stacklet Time Guard at 2.8 against Spectra Core's 2.0. Stacklet Time Guard also leads on update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Spectra Core sells 1 in-app purchase, starting at $12.99 per 7 days and Stacklet Time Guard sells 1 in-app purchase, starting at $12.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stacklet Time Guard holds the better App Store score, 2.8 against 2.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Spectra Core ships an update every 2 months, Stacklet Time Guard every 3 weeks. The most recent releases landed on September 6, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Spectra Core | Stacklet Time Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/spectra-core/id6738427766/reviews) | **[2.8 (4 ratings)](https://appshunter.io/ios/app/stacklet-time-guard/id6740895159/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 28 MB | 21 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stas David](https://appshunter.io/developer/1780801011) | [Voloc Anatol](https://appshunter.io/developer/1779899686) |

## What reviewers say

### Spectra Core

[App page](https://appshunter.io/ios/app/spectra-core/id6738427766)

This app helps you manage your digital life with tools for file organization, financial tracking, network speed testing, and QR code scanning. It offers a subscription for early access to updates and innovations.

**Highlights:** File Manager, Budget Tracker, Speed Test, QR Code Scanner, Subscription for updates

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $12.99 | per 7 days |


### Stacklet Time Guard

[App page](https://appshunter.io/ios/app/stacklet-time-guard/id6740895159)

Manage tasks, plan your day, and secure your accounts with a comprehensive productivity suite. Generate and store strong passwords, track your time, and organize events with reminders and color tags. Offers a free trial with limited features and a subscription for full access.

**Highlights:** Task categorization and subtasks, Daily planner with event scheduling, Password generator and manager, Time tracking for activities, Secure password storage, Customizable password settings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $12.99 | per 7 days |


## Frequently asked questions

### Is Spectra Core free?

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

### Is Stacklet Time Guard free?

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

### Which has better reviews, Spectra Core or Stacklet Time Guard?

Stacklet Time Guard is rated higher. Spectra Core averages 2.0 out of 5 from 2 ratings, while Stacklet Time Guard averages 2.8 from 4 ratings.

### Do Spectra Core or Stacklet Time Guard have ads?

Neither Spectra Core nor Stacklet Time Guard shows ads.

### Which is updated more often, Spectra Core or Stacklet Time Guard?

Spectra Core ships an update every 2 months, and Stacklet Time Guard every 3 weeks. Most recently, Spectra Core was updated on September 6, 2026 and Stacklet Time Guard on June 1, 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.*