# HyperID Authenticator vs NoteStream

HyperID Authenticator and NoteStream 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HyperID Authenticator | NoteStream |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 25 MB | 43 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HyperSphere Development Corporation](https://appshunter.io/developer/1540738964) | [IdeaFlow, Inc.](https://appshunter.io/developer/1330828365) |

## What reviewers say

### HyperID Authenticator

[App page](https://appshunter.io/ios/app/hyperid-authenticator/id1540738962)

**In-app purchases:** none


### NoteStream

[App page](https://appshunter.io/ios/app/notestream-capture-your-mind/id6752955813)

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

**In-app purchases:** none


## Frequently asked questions

### Is HyperID Authenticator free?

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

### Is NoteStream free?

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

### Do HyperID Authenticator or NoteStream have ads?

Neither HyperID Authenticator nor NoteStream shows ads.

### Which is updated more often, HyperID Authenticator or NoteStream?

HyperID Authenticator ships an update fortnightly, and NoteStream fortnightly. Most recently, HyperID Authenticator was updated on October 27, 2026 and NoteStream on October 28, 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.*