# Number Finder Caller ID vs CSL My Base

The clearest difference is in-app purchases: CSL My Base at none against Number Finder Caller ID's 10. CSL My Base also leads on ads (none vs shown) and review sentiment (83% vs 75%). Number Finder Caller ID's advantage is update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Number Finder Caller ID sells 10 in-app purchases, starting at $6.99 per 6 months. CSL My Base asks for nothing beyond the download.

Number Finder Caller ID ships an update every 5 days, CSL My Base monthly. The most recent releases landed on November 1, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Number Finder Caller ID | CSL My Base |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (70K ratings)](https://appshunter.io/ios/app/number-finder-caller-id-true/id1324048797/reviews)** | — |
| Number of ratings | **70K** | — |
| Positive reviews | 74.7% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 63 MB | 38 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [the Digitalists Interactive Agency Ltd](https://appshunter.io/developer/530162952) | [CSL DualCom](https://appshunter.io/developer/996930372) |

## What reviewers say

### Number Finder Caller ID

[App page](https://appshunter.io/ios/app/number-finder-caller-id-true/id1324048797)

Identify unknown callers and protect your privacy with this comprehensive reverse phone lookup tool. See who searched for your number, block spam, and manage your digital footprint. Stay safe and informed about who contacts you.

**Highlights:** Unlimited reverse phone lookups, Real-time caller ID identification, Comprehensive spam detection, Privacy protection tools, See who searched your number, Opt-out of phone books

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Number Watch 6 Months | $6.99 | per 6 months |
| 30 Weekly Lookups | $7.99 | per 7 days |
| Number Watch Annual | $9.99 | per year |
| 100 Monthly Lookups | $14.49 | per month |
| 6-month Numbers Protection | $14.99 | per 6 months |
| Number Protection for 1 year | $19.99 | per year |
| 1 Number Lookup | $1.99 | one-time |
| 5 Number Lookups | $3.99 | one-time |
| 15 Number Lookups | $10.99 | one-time |
| 30 Number Lookups | $18.99 | one-time |

**What reviewers like**

- 🚀 Helpful in finding unknown callers
- 👍 Provides useful information
- 💡 Ability to track and monitor calls

**What reviewers complain about**

- 🐛 Inaccurate or incomplete information
- 💰 Expensive subscription fees
- 🔒 Privacy concerns with required permissions
- 🤖 Suspicious bot-like 5-star reviews

**Reported bugs**

- App crashes or freezes during use
- Lookup results not loading properly
- Inability to cancel subscription

**Requested features**

- Free trial period before paid subscription
- More transparent pricing and subscription details
- Improved accuracy and reliability of lookup results


### CSL My Base

[App page](https://appshunter.io/ios/app/csl-my-base/id1479184708)

This app assists installers in setting up and maintaining DualCom Pro devices. It helps quickly identify issues and provides proactive customer support. Compatible with DigiAir Pro and GradeShift Pro variants, it allows installers to manage their signaling base.

**Highlights:** Install and Service Wizard, Quick issue identification, Proactive customer support, Supports DualCom Pro devices, Manages signaling base

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Finder Caller ID free?

Number Finder Caller ID is free to download, with in-app purchases available.

### Is CSL My Base free?

CSL My Base is free to download, with no in-app purchases.

### Do Number Finder Caller ID or CSL My Base have ads?

Number Finder Caller ID shows ads; CSL My Base does not.

### Which is updated more often, Number Finder Caller ID or CSL My Base?

Number Finder Caller ID ships an update every 5 days, and CSL My Base monthly. Most recently, Number Finder Caller ID was updated on November 1, 2026 and CSL My Base on October 20, 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.*