# CRC Calculator vs Bug Identifier

The clearest difference is price: Bug Identifier at Free against CRC Calculator's $0.99. Bug Identifier also leads on update cadence (every 3 weeks vs every 13 months) and review sentiment (100% vs 80%). CRC Calculator's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

Bug Identifier is free to download; CRC Calculator costs $0.99 up front. Bug Identifier sells 8 in-app purchases, starting at $4.99 per 7 days. CRC Calculator asks for nothing beyond the download.

CRC Calculator ships an update every 13 months, Bug Identifier every 3 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CRC Calculator | Bug Identifier |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.9 (40 ratings)](https://appshunter.io/ios/app/bug-identifier-insectai/id6743463658/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 33 MB |
| Requires iOS | 17.6 | **17** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Firmtronics Pty. Ltd.](https://appshunter.io/developer/1318424787) | [Darian Macharowski](https://appshunter.io/developer/1724476291) |

## What reviewers say

### CRC Calculator

[App page](https://appshunter.io/ios/app/crc-calculator/id984488943)

This utility generates cyclic redundancy check (CRC) bytes from input data using polynomial division. It supports 8, 16, 32, and 64-bit check bytes and allows data input via manual entry or file upload. Users can choose between normal or reversed CRC formats.

**Highlights:** Generates 8, 16, 32, & 64-bit CRC bytes, Input data via manual entry (hex), Source data from uploaded files, Supports normal and reversed CRC formats, Integrated document explorer

**Features:** Vision Pro support

**In-app purchases:** none


### Bug Identifier

[App page](https://appshunter.io/ios/app/bug-identifier-insectai/id6743463658)

Instantly identify insects and spiders by snapping a photo. Access detailed information about species, habitats, and life cycles. Build a digital collection of your discoveries.

**Highlights:** Instant insect and spider recognition, 96.5% identification accuracy, Detailed species information, Digital insect collection, Easy-to-use interface

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $4.99 | per 7 days |
| Pro (Weekly) | $7.99 | per 7 days |
| Pro (Weekly) | $9.99 | per 7 days |
| Pro (Annual) | $24.99 | per year |
| Pro (Annual) | $29.99 | per year |
| Lifetime | Free | one-time |
| Unlock Lifetime Access | $29.99 | one-time |
| Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is CRC Calculator free?

CRC Calculator costs $0.99, with no in-app purchases.

### Is Bug Identifier free?

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

### Do CRC Calculator or Bug Identifier have ads?

Neither CRC Calculator nor Bug Identifier shows ads.

### Which is updated more often, CRC Calculator or Bug Identifier?

CRC Calculator ships an update every 13 months, and Bug Identifier every 3 weeks. Most recently, CRC Calculator was updated on October 17, 2026 and Bug Identifier on October 15, 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.*