# Robo Spam Text & Call Blocker vs Customizer

The clearest difference is in-app purchases: Customizer at none against Robo Spam Text & Call Blocker's 11. Customizer also leads on iOS requirement (15.0 vs 17.6). Robo Spam Text & Call Blocker's advantage is update cadence (every 3 weeks vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. Robo Spam Text & Call Blocker sells 9 in-app purchases, starting at $2.99 per month. Customizer asks for nothing beyond the download.

Robo Spam Text & Call Blocker ships an update every 3 weeks, Customizer every 27 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Robo Spam Text & Call Blocker | Customizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (5K ratings)](https://appshunter.io/ios/app/robo-spam-text-and-call-blocker/id1437586931/reviews)** | — |
| Number of ratings | **5K** | — |
| Positive reviews | 39.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 27 months |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 98 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Murphy Brantley](https://appshunter.io/developer/428462902) | [OES Inc.](https://appshunter.io/developer/1437652535) |

## What reviewers say

### Robo Spam Text & Call Blocker

[App page](https://appshunter.io/ios/app/robo-spam-text-and-call-blocker/id1437586931)

This app provides immediate relief from robocalls, telemarketing, and spam text messages. It blocks unwanted calls and messages, including those using neighbor spoofing, and also prevents spam and ads in your Safari web browser. Enjoy a risk-free trial before subscribing to a service that reduces unwanted calls by up to 99%.

**Highlights:** Blocks robocalls and telemarketing calls, Filters spam text messages, Blocks Safari browser ads and popups, Combats neighbor spoofing robocalls, Manually block or allow numbers, Weekly updated spam caller list, Dedicated customer service

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Call Blocking | $2.99 | per month |
| Unlimited Call Blocking | $3.99 | per month |
| Unlimited Call Blocking | $4.99 | per 7 days |
| Unlimited Call Blocking | $10.00 | per 7 days |
| Unlimited Call Blocking | $14.99 | per 6 months |
| Unlimited Call Blocking | $19.99 | per year |
| Unlimited Call Blocking | $29.99 | per year |
| Unlimited Call Blocking | $29.99 | per year |
| Lifetime Call Blocking | $59.99 | one-time |

**What reviewers like**

- 🚀 Blocks spam calls effectively
- 👍 Helpful for reducing unwanted calls
- 💡 Useful for political donation requests
- 🔒 Protects against scams

**What reviewers complain about**

- 🐛 Doesn't block all spam calls
- 👎 Ineffective or doesn't work as advertised
- 🔍 Difficult to set up or configure
- 💰 Expensive or not worth the cost
- 🔇 Blocks important calls from contacts

**Reported bugs**

- App crashes or freezes
- Fails to update blocked numbers
- Incompatible with certain devices or OS versions

**Requested features**

- Allow whitelisting of contacts
- Improve spam detection accuracy
- Provide more customization options
- Offer a free version with limited features


### Customizer

[App page](https://appshunter.io/ios/app/customizer/id1503240565)

**In-app purchases:** none


## Frequently asked questions

### Is Robo Spam Text & Call Blocker free?

Robo Spam Text & Call Blocker is free to download, with in-app purchases available.

### Is Customizer free?

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

### Do Robo Spam Text & Call Blocker or Customizer have ads?

Neither Robo Spam Text & Call Blocker nor Customizer shows ads.

### Which is updated more often, Robo Spam Text & Call Blocker or Customizer?

Robo Spam Text & Call Blocker ships an update every 3 weeks, and Customizer every 27 months. Most recently, Robo Spam Text & Call Blocker was updated on November 2, 2026 and Customizer on October 27, 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.*