# True CallerID vs OpenSpam

The clearest difference is in-app purchases: OpenSpam at none against True CallerID's 8. True CallerID's advantage is review sentiment (58% vs 25%) and rating (4.3 vs 3.9). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. True CallerID sells 8 in-app purchases, starting at $3.99 per 7 days. OpenSpam asks for nothing beyond the download.

True CallerID holds the better App Store score, 4.3 against 3.9. That said, the two scores are not equally well evidenced: True CallerID has 307 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 58% of True CallerID's written reviews are positive against 25% of OpenSpam's.

True CallerID ships an update fortnightly, OpenSpam every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | True CallerID | OpenSpam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (307 ratings)](https://appshunter.io/ios/app/true-callerid-spam-blocker/id6744879291/reviews)** | [3.9 (10 ratings)](https://appshunter.io/ios/app/openspam/id6755652998/reviews) |
| Number of ratings | **307** | 10 |
| Positive reviews | **57.9% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 141 MB | 19 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Reena Williams](https://appshunter.io/developer/1708538764) | [Joaquin Garcia](https://appshunter.io/developer/657238286) |

## What reviewers say

### True CallerID

[App page](https://appshunter.io/ios/app/true-callerid-spam-blocker/id6744879291)

Identify unknown callers and block unwanted calls automatically. This app uses smart spam detection and AI to protect you from robocalls, telemarketers, and scams. Take control of your phone and see caller information before you answer.

**Highlights:** Instant Caller ID, Smart Call Blocker, Spam Detection Alerts, Call Log Insights, Number Lookup, Personalized Block List

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Weekly Plan with Free Trial | $5.99 | per 7 days |
| Yearly 60% discount Plan | $29.99 | per year |
| Yearly Subscriptions | $39.99 | per year |
| Duplicate Contact Remover | $3.99 | one-time |
| Sync Google Contacts | $4.99 | one-time |
| Hide Information | $9.99 | one-time |
| Lifetime validity | $59.99 | one-time |


### OpenSpam

[App page](https://appshunter.io/ios/app/openspam/id6755652998)

This app identifies and blocks unwanted calls using a community-powered database and a risk score algorithm. It offers customizable blocking levels and ensures user privacy by not collecting personal data or accessing contacts for commercial purposes.

**Highlights:** Instant call identification, Customizable blocking levels, Community reporting, Built-in search for suspicious numbers, Allowlist for trusted numbers, Ad-free experience

**In-app purchases:** none


## Frequently asked questions

### Is True CallerID free?

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

### Is OpenSpam free?

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

### Which has better reviews, True CallerID or OpenSpam?

True CallerID is rated higher. True CallerID averages 4.3 out of 5 from 307 ratings, while OpenSpam averages 3.9 from 10 ratings.

### Do True CallerID or OpenSpam have ads?

Neither True CallerID nor OpenSpam shows ads.

### Which is updated more often, True CallerID or OpenSpam?

True CallerID ships an update fortnightly, and OpenSpam every 3 weeks. Most recently, True CallerID was updated on October 28, 2026 and OpenSpam on October 25, 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.*