# SideNotes Mobile vs Contacts Sync App +

The clearest difference is price: Contacts Sync App + at Free against SideNotes Mobile's $9.99. SideNotes Mobile's advantage is in-app purchases (none vs 5) and update cadence (monthly vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

Contacts Sync App + is free to download; SideNotes Mobile costs $9.99 up front. Contacts Sync App + sells 5 in-app purchases, starting at $4.99 per 7 days. SideNotes Mobile asks for nothing beyond the download.

SideNotes Mobile ships an update monthly, Contacts Sync App + every 4 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SideNotes Mobile | Contacts Sync App + |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.2 (29 ratings)](https://appshunter.io/ios/app/sidenotes-mobile/id1607089308/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 88.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Paid | — |
| Size | 10 MB | 33 MB |
| Requires iOS | 17 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Apptorium](https://appshunter.io/developer/551772156) | [Jordan Farrell](https://appshunter.io/developer/1828886827) |

## What reviewers say

### SideNotes Mobile

[App page](https://appshunter.io/ios/app/sidenotes-mobile/id1607089308)

Capture thoughts and to-dos on the go with this mobile note-taking app. It offers iCloud sync, Markdown formatting, and customizable themes for a personalized experience. Easily access notes from other applications.

**Highlights:** iCloud Synchronization, Markdown Formatting, Task Management, Customizable Themes, Note and Folder URLs, Note Colors

**Features:** Vision Pro support

**In-app purchases:** none


### Contacts Sync App +

[App page](https://appshunter.io/ios/app/contacts-sync-app-plus/id6749141003)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-NoTrial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is SideNotes Mobile free?

SideNotes Mobile costs $9.99, with no in-app purchases.

### Is Contacts Sync App + free?

Contacts Sync App + is free to download, with in-app purchases available.

### Do SideNotes Mobile or Contacts Sync App + have ads?

Neither SideNotes Mobile nor Contacts Sync App + shows ads.

### Which is updated more often, SideNotes Mobile or Contacts Sync App +?

SideNotes Mobile ships an update monthly, and Contacts Sync App + every 4 months. Most recently, SideNotes Mobile was updated on November 7, 2026 and Contacts Sync App + on November 5, 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.*