# Crabwise vs CallerIndex

The clearest difference is update cadence: Crabwise at daily against CallerIndex's every 5 days. Crabwise also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Crabwise sells 1 one-off in-app purchase and CallerIndex sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Crabwise ships an update daily, CallerIndex every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Crabwise | CallerIndex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 6 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pouya Marvasti](https://appshunter.io/developer/6797565160) | [Huahuijian (tianjin) Technology Co., Ltd.](https://appshunter.io/developer/6802961507) |

## What reviewers say

### Crabwise

[App page](https://appshunter.io/ios/app/crabwise-e6b-flight-computer/id6813311167)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crabwise Pro | $9.99 | one-time |


### CallerIndex

[App page](https://appshunter.io/ios/app/callerindex-spam-call-blocker/id6816891820)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Cloud Sync | $0.99 | per month |
| Yearly Cloud Sync | $8.99 | per year |
| Support CallerIndex Development | $1.99 | one-time |


## Frequently asked questions

### Is Crabwise free?

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

### Is CallerIndex free?

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

### Do Crabwise or CallerIndex have ads?

Neither Crabwise nor CallerIndex shows ads.

### Which is updated more often, Crabwise or CallerIndex?

Crabwise ships an update daily, and CallerIndex every 5 days. Most recently, Crabwise was updated on October 31, 2026 and CallerIndex on November 6, 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.*