# Backlog by Time Engine vs GSD Task Manager

The clearest difference is update cadence: GSD Task Manager at every 9 days against Backlog by Time Engine's every 3 weeks. GSD Task Manager also leads on device support (3 vs 1). Backlog by Time Engine's advantage is iOS requirement (16.4 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

Backlog by Time Engine ships an update every 3 weeks, GSD Task Manager every 9 days. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Backlog by Time Engine | GSD Task Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 3 MB | 7 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [100-8 Studio](https://appshunter.io/developer/1436780503) | [Vinny Carpenter](https://appshunter.io/developer/601398158) |

## What reviewers say

### Backlog by Time Engine

[App page](https://appshunter.io/ios/app/backlog-by-time-engine/id6470202026)

**Features:** macOS Compatibility

**In-app purchases:** none


### GSD Task Manager

[App page](https://appshunter.io/ios/app/gsd-task-manager/id6776731612)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Backlog by Time Engine free?

Backlog by Time Engine is free to download, with no in-app purchases.

### Is GSD Task Manager free?

GSD Task Manager is free to download, with no in-app purchases.

### Do Backlog by Time Engine or GSD Task Manager have ads?

Neither Backlog by Time Engine nor GSD Task Manager shows ads.

### Which is updated more often, Backlog by Time Engine or GSD Task Manager?

Backlog by Time Engine ships an update every 3 weeks, and GSD Task Manager every 9 days. Most recently, Backlog by Time Engine was updated on September 19, 2026 and GSD Task Manager on September 13, 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.*