# UnDoubt vs In Stirling

UnDoubt and In Stirling are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

UnDoubt ships an update every 3 weeks, In Stirling fortnightly. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | UnDoubt | In Stirling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 85 MB | 107 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LastingAsset LIMITED](https://appshunter.io/developer/1738214324) | [Loqiva](https://appshunter.io/developer/1550500264) |

## What reviewers say

### UnDoubt

[App page](https://appshunter.io/ios/app/undoubt/id6744068879)

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

**In-app purchases:** none


### In Stirling

[App page](https://appshunter.io/ios/app/in-stirling/id6783300163)

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

**In-app purchases:** none


## Frequently asked questions

### Is UnDoubt free?

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

### Is In Stirling free?

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

### Do UnDoubt or In Stirling have ads?

Neither UnDoubt nor In Stirling shows ads.

### Which is updated more often, UnDoubt or In Stirling?

UnDoubt ships an update every 3 weeks, and In Stirling fortnightly. Most recently, UnDoubt was updated on October 9, 2026 and In Stirling on October 10, 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.*