# SynkBooks vs WriteOffGenie

The clearest difference is update cadence: WriteOffGenie at weekly against SynkBooks's every 2 weeks. SynkBooks's advantage is iOS requirement (12.4 vs 15.5.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SynkBooks sells 2 in-app purchases, starting at $30.00 per month and WriteOffGenie sells 4 in-app purchases, starting at $15.00 per month. Whichever you choose, the download price is not the number that matters.

SynkBooks ships an update every 2 weeks, WriteOffGenie weekly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SynkBooks | WriteOffGenie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 79 MB | 113 MB |
| Requires iOS | **12.4** | 15.5.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tax Lab, Inc](https://appshunter.io/developer/1692244482) | [Swecha LLC](https://appshunter.io/developer/1833312882) |

## What reviewers say

### SynkBooks

[App page](https://appshunter.io/ios/app/synkbooks/id6450621606)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $30 per MONTH | $30.00 | per month |
| $250 per YEAR | $250.00 | per year |


### WriteOffGenie

[App page](https://appshunter.io/ios/app/writeoffgenie/id6751060559)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WriteOffGenie Pro Monthly | $15.00 | per month |
| WriteOffGenie Premium Monthly | $25.00 | per month |
| WriteOffGenie Pro yearly | $143.99 | per year |
| WriteOffGenie Premium Yearly | $239.99 | per year |


## Frequently asked questions

### Is SynkBooks free?

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

### Is WriteOffGenie free?

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

### Do SynkBooks or WriteOffGenie have ads?

Neither SynkBooks nor WriteOffGenie shows ads.

### Which is updated more often, SynkBooks or WriteOffGenie?

SynkBooks ships an update every 2 weeks, and WriteOffGenie weekly. Most recently, SynkBooks was updated on October 15, 2026 and WriteOffGenie on October 9, 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.*