# Backlog by Time Engine vs Capsule List

The clearest difference is update cadence: Backlog by Time Engine at every 3 weeks against Capsule List's every 4 months. On price, ads, in-app purchases and device support 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, Capsule List every 4 months. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Backlog by Time Engine | Capsule List |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 3 MB | 1 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [100-8 Studio](https://appshunter.io/developer/1436780503) | [JIANBO WANG](https://appshunter.io/developer/1737940035) |

## 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


### Capsule List

[App page](https://appshunter.io/ios/app/capsule-list/id6529543318)

**Features:** macOS Compatibility

**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 Capsule List free?

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

### Do Backlog by Time Engine or Capsule List have ads?

Neither Backlog by Time Engine nor Capsule List shows ads.

### Which is updated more often, Backlog by Time Engine or Capsule List?

Backlog by Time Engine ships an update every 3 weeks, and Capsule List every 4 months. Most recently, Backlog by Time Engine was updated on October 7, 2026 and Capsule List on October 19, 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.*