# SoundSentry vs Infinity Paper

The clearest difference is update cadence: Infinity Paper at weekly against SoundSentry's every 2 months. Infinity Paper also leads on price ($0.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SoundSentry costs $4.99 and Infinity Paper $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SoundSentry ships an update every 2 months, Infinity Paper weekly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SoundSentry | Infinity Paper |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 6 MB | 1 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Chen](https://appshunter.io/developer/1818964633) | [Stanko Gazibari](https://appshunter.io/developer/1822731843) |

## What reviewers say

### SoundSentry

[App page](https://appshunter.io/ios/app/soundsentry/id6756975674)

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

**In-app purchases:** none


### Infinity Paper

[App page](https://appshunter.io/ios/app/infinity-paper/id6757974703)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundSentry free?

SoundSentry costs $4.99, with no in-app purchases.

### Is Infinity Paper free?

Infinity Paper costs $0.99, with no in-app purchases.

### Do SoundSentry or Infinity Paper have ads?

Neither SoundSentry nor Infinity Paper shows ads.

### Which is updated more often, SoundSentry or Infinity Paper?

SoundSentry ships an update every 2 months, and Infinity Paper weekly. Most recently, SoundSentry was updated on October 7, 2026 and Infinity Paper on October 8, 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.*