# Contact Backup vs BonsaiLog

The clearest difference is in-app purchases: Contact Backup at none against BonsaiLog's 3. Contact Backup also leads on iOS requirement (13.0 vs 16.4). BonsaiLog's advantage is update cadence (every 4 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. BonsaiLog sells 3 in-app purchases, starting at $3.99 per month. Contact Backup asks for nothing beyond the download.

Contact Backup ships an update every 4 months, BonsaiLog every 4 days. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Contact Backup | BonsaiLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contact-backup-contact-sync/id1596576589/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 112 MB | 177 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Axita Ghevariya](https://appshunter.io/developer/1569381949) | [MAKOTO NAKAGAWA](https://appshunter.io/developer/1850679004) |

## What reviewers say

### Contact Backup

[App page](https://appshunter.io/ios/app/contact-backup-contact-sync/id1596576589)

Easily back up and transfer your phone contacts to another device. This utility also helps you find and track mobile numbers, including STD and ISD codes, with offline location details.

**Highlights:** Phone contact backup and transfer, Sync contacts to another device, Search and track mobile numbers, Offline STD and ISD code lookup, Caller location with service provider details, Worldwide area and country code database

**Features:** macOS Compatibility

**In-app purchases:** none


### BonsaiLog

[App page](https://appshunter.io/ios/app/bonsailog/id6763495229)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BonsaiLog Pro Monthly | $3.99 | per month |
| BonsaiLog Pro Annual | $29.99 | per year |
| BonsaiLog Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Contact Backup free?

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

### Is BonsaiLog free?

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

### Do Contact Backup or BonsaiLog have ads?

Both Contact Backup and BonsaiLog show ads.

### Which is updated more often, Contact Backup or BonsaiLog?

Contact Backup ships an update every 4 months, and BonsaiLog every 4 days. Most recently, Contact Backup was updated on October 11, 2026 and BonsaiLog 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.*