# SyncUp vs AlterSend

The clearest difference is rating: SyncUp at 4.3 against AlterSend's 3.7. SyncUp also leads on monetization model (free vs free with in-app purchases). AlterSend's advantage is update cadence (every 9 days vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SyncUp holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

SyncUp ships an update monthly, AlterSend every 9 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SyncUp | AlterSend |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/syncup-client/id6762605078/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/altersend-file-transfer/id6772496271/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 232 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siddarth Ruchir Kumar](https://appshunter.io/developer/1894813080) | [Devaprime LLC](https://appshunter.io/developer/6772496273) |

## What reviewers say

### SyncUp

[App page](https://appshunter.io/ios/app/syncup-client/id6762605078)

This open-source client enables peer-to-peer file synchronization between your iOS device and other Syncthing nodes. It allows direct, end-to-end encrypted transfers between your own devices without relying on third-party servers.

**Highlights:** QR code device pairing, Folder sharing controls, Live status updates, Per-folder pause/resume, End-to-end encryption, Open-source

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

**In-app purchases:** none


### AlterSend

[App page](https://appshunter.io/ios/app/altersend-file-transfer/id6772496271)

Easily send files directly between your devices without using cloud storage. This app offers private, encrypted peer-to-peer transfers with no size limits, making it simple to move photos, videos, and documents.

**Highlights:** Direct peer-to-peer file transfer, End-to-end encryption, No cloud storage, Unlimited file size, Cross-platform compatibility, No sign-up required, Simple QR code or code pairing

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

**In-app purchases:** none


## Frequently asked questions

### Is SyncUp free?

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

### Is AlterSend free?

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

### Which has better reviews, SyncUp or AlterSend?

SyncUp is rated higher. SyncUp averages 4.3 out of 5 from 6 ratings, while AlterSend averages 3.7 from 3 ratings.

### Do SyncUp or AlterSend have ads?

Neither SyncUp nor AlterSend shows ads.

### Which is updated more often, SyncUp or AlterSend?

SyncUp ships an update monthly, and AlterSend every 9 days. Most recently, SyncUp was updated on October 10, 2026 and AlterSend on September 30, 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.*