# Synctodo vs ByteSize

The clearest difference is ads: Synctodo at none against ByteSize's shown. Synctodo also leads on iOS requirement (15.1 vs 26.2). ByteSize's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases and device support there is nothing between them.

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

Synctodo ships an update monthly, ByteSize every 6 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Synctodo | ByteSize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Size | 44 MB | 28 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ali Alsawad](https://appshunter.io/developer/1895675630) | [Playful Souls](https://appshunter.io/developer/1183816191) |

## What reviewers say

### Synctodo

[App page](https://appshunter.io/ios/app/synctodo-task-list-and-subtasks/id6764185033)

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

**In-app purchases:** none


### ByteSize

[App page](https://appshunter.io/ios/app/bytesize-break-down-goals/id6779734995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synctodo free?

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

### Is ByteSize free?

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

### Do Synctodo or ByteSize have ads?

ByteSize shows ads; Synctodo does not.

### Which is updated more often, Synctodo or ByteSize?

Synctodo ships an update monthly, and ByteSize every 6 days. Most recently, Synctodo was updated on October 7, 2026 and ByteSize 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.*