# Sync.me vs Doomlock

The clearest difference is in-app purchases: Doomlock at none against Sync.me's 16. Doomlock also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sync.me sells 14 in-app purchases, starting at $2.99 per month. Doomlock asks for nothing beyond the download.

Sync.me ships an update every 8 days, Doomlock weekly. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sync.me | Doomlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (22K ratings)](https://appshunter.io/ios/app/syncme-caller-id-and-blocker/id340787494/reviews)** | — |
| Number of ratings | **22K** | — |
| Positive reviews | 60.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 240 MB | 2 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sync.ME LTD](https://appshunter.io/developer/300176827) | [Ankur Anwekar Suresh Anwekar](https://appshunter.io/developer/1896197453) |

## What reviewers say

### Sync.me

[App page](https://appshunter.io/ios/app/syncme-caller-id-and-blocker/id340787494)

Identify unknown callers in real-time, block spam automatically, and keep your contacts updated with real photos. Search any number worldwide and manage your address book with smart tools.

**Highlights:** Live caller ID, Automatic spam blocking, Reverse number lookup, Contact photo sync, Merge duplicate contacts, Backup address book

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Premium Results | $2.99 | per month |
| Sync.ME Premium | $2.99 | per month |
| Sync.ME Premium | $4.99 | per month |
| Sync.me Pro Weekly | $4.99 | per 7 days |
| Unlimited Premium Results | $5.99 | per 6 months |
| Unlimited Weekly | $6.99 | per 7 days |
| Unlimited Premium Results | $9.99 | per year |
| Sync.ME Premium | $14.99 | per year |
| Sync.ME Premium | $19.99 | per year |
| Sync.me Pro Annual | $29.99 | per year |
| Sync.me Pro Annual | $39.99 | per year |
| Unlimited Annual | $39.99 | per year |
| Unlimited | $49.99 | per year |
| 1 Premium Result | $1.99 | one-time |

**What reviewers like**

- 🚀 Sync contacts and photos
- 👍 Useful for finding scam accounts
- 💡 Good for blocking spam calls

**What reviewers complain about**

- 🐛 Frequent bugs and crashes
- 🔒 Privacy and security concerns
- 💰 Expensive subscription model
- 🔌 Unreliable syncing and connectivity

**Reported bugs**

- Syncing issues with Facebook and Instagram
- Incorrect contact matching and photo assignment
- Frequent freezing and unresponsiveness

**Requested features**

- Integrate more social media platforms
- Improve manual contact linking
- Add more customization options


### Doomlock

[App page](https://appshunter.io/ios/app/doomlock/id6766106398)

**In-app purchases:** none


## Frequently asked questions

### Is Sync.me free?

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

### Is Doomlock free?

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

### Do Sync.me or Doomlock have ads?

Sync.me shows ads; Doomlock does not.

### Which is updated more often, Sync.me or Doomlock?

Sync.me ships an update every 8 days, and Doomlock weekly. Most recently, Sync.me was updated on October 28, 2026 and Doomlock on October 13, 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.*