# Client SMS Follow vs Vault Notes

The clearest difference is in-app purchases: Client SMS Follow at none against Vault Notes's 2. Client SMS Follow also leads on iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vault Notes sells 2 in-app purchases, starting at $4.99 per month. Client SMS Follow asks for nothing beyond the download.

Client SMS Follow ships an update weekly, Vault Notes every 6 days. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Client SMS Follow | Vault Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 2 MB | 17 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dragon Byte Design Inc](https://appshunter.io/developer/1887946272) | [Andre Schoolman](https://appshunter.io/developer/6790647704) |

## What reviewers say

### Client SMS Follow

[App page](https://appshunter.io/ios/app/client-sms-follow-up/id6771848481)

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

**In-app purchases:** none


### Vault Notes

[App page](https://appshunter.io/ios/app/vault-notes-notes-you-own/id6790647702)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Client SMS Follow free?

Client SMS Follow is free to download, with no in-app purchases.

### Is Vault Notes free?

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

### Do Client SMS Follow or Vault Notes have ads?

Neither Client SMS Follow nor Vault Notes shows ads.

### Which is updated more often, Client SMS Follow or Vault Notes?

Client SMS Follow ships an update weekly, and Vault Notes every 6 days. Most recently, Client SMS Follow was updated on November 5, 2026 and Vault Notes 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.*