# CallerSmart vs Grenlec

The clearest difference is rating: CallerSmart at 4.6 against Grenlec's 2.0. CallerSmart also leads on ratings volume (15K vs 2) and update cadence (monthly vs every 5 months). Grenlec's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price there is nothing between them.

Both are free to download. CallerSmart sells 8 in-app purchases, starting at $3.99 per month. Grenlec asks for nothing beyond the download.

CallerSmart holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: CallerSmart has 15K ratings behind it against 2, so its average is the more settled of the two.

CallerSmart ships an update monthly, Grenlec every 5 months. The most recent releases landed on November 3, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | CallerSmart | Grenlec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15K ratings)](https://appshunter.io/ios/app/callersmart-reverse-lookup/id771926122/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/grenlec/id1556680725/reviews) |
| Number of ratings | **15K** | 2 |
| Positive reviews | 48.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 73 MB | 42 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [CALLERSMART.COM LLC](https://appshunter.io/developer/771926125) | [dataVoice International](https://appshunter.io/developer/657407983) |

## What reviewers say

### CallerSmart

[App page](https://appshunter.io/ios/app/callersmart-reverse-lookup/id771926122)

Identify unknown callers and block spam with this app. It provides detailed caller information, filters unwanted texts, and helps protect your privacy by adding numbers to the Do Not Call Registry. Take control of your calls and enjoy a spam-free experience.

**Highlights:** Reverse phone lookup, Spam call blocker, SMS filtering, Caller ID, Privacy protection, Community-based feedback

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CallerSmart Premium | $3.99 | per month |
| CallerSmart Premium  1 Month | $19.99 | per month |
| Premium Reverse Phone Lookup Report | $2.99 | one-time |
| Past Activity Report | $2.99 | one-time |
| Premium Report Credit | $3.99 | one-time |
| 1 month subscription to our Premium Number Monitoring service | $3.99 | one-time |
| pack of 2 Premium Report Credits | $4.99 | one-time |
| pack of 3 Premium Report Credits | $5.99 | one-time |

**What reviewers like**

- 🚀 Accurate reverse lookup
- 👍 Easy to use
- 💡 Helpful for identifying spammers
- 👍 Provides location and other details
- 👍 Useful for financial/business purposes

**What reviewers complain about**

- 🐛 Inconsistent/unreliable results
- 💰 Paywall for full details
- 🔒 Privacy concerns with data collection
- 🐛 Bugs and app crashes
- 🔋 Ineffective at blocking spam calls

**Reported bugs**

- Inability to remove personal information
- Ads/popups interfering with functionality
- Inconsistent search results

**Requested features**

- Support for international phone numbers
- Improved spam call detection and blocking
- More detailed reporting and analytics


### Grenlec

[App page](https://appshunter.io/ios/app/grenlec/id1556680725)

Manage your electricity account, view bills and usage history, and report outages. Receive notifications about service updates and planned maintenance.

**Highlights:** View electricity bills, Track monthly usage, Report power outages, Receive service notifications, Manage multiple accounts, Get payment reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CallerSmart free?

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

### Is Grenlec free?

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

### Which has better reviews, CallerSmart or Grenlec?

CallerSmart is rated higher. CallerSmart averages 4.6 out of 5 from 15K ratings, while Grenlec averages 2.0 from 2 ratings.

### Do CallerSmart or Grenlec have ads?

CallerSmart shows ads; Grenlec does not.

### Which is updated more often, CallerSmart or Grenlec?

CallerSmart ships an update monthly, and Grenlec every 5 months. Most recently, CallerSmart was updated on November 3, 2026 and Grenlec on October 23, 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.*