# Backster vs THISystem

The clearest difference is in-app purchases: THISystem at none against Backster's 6. Backster's advantage is update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Backster sells 6 in-app purchases, starting at $4.00 per 7 days. THISystem asks for nothing beyond the download.

Backster ships an update weekly, THISystem every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Backster | THISystem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 7 MB | 82 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Elgene Lye](https://appshunter.io/developer/6773017514) | [Yan Low Hor](https://appshunter.io/developer/6789506728) |

## What reviewers say

### Backster

[App page](https://appshunter.io/ios/app/backster/id6773017512)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.00 | per 7 days |
| Max | $13.49 | per 7 days |
| Pro | $14.99 | per month |
| Max | $49.99 | per month |
| Ultra | $54.00 | per 7 days |
| Ultra | $200.00 | per month |


### THISystem

[App page](https://appshunter.io/ios/app/thisystem/id6789506726)

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

**In-app purchases:** none


## Frequently asked questions

### Is Backster free?

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

### Is THISystem free?

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

### Do Backster or THISystem have ads?

Neither Backster nor THISystem shows ads.

### Which is updated more often, Backster or THISystem?

Backster ships an update weekly, and THISystem every 5 weeks. Most recently, Backster was updated on October 25, 2026 and THISystem on October 24, 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.*