# GIC Collect vs Slum Mapper

The clearest difference is in-app purchases: Slum Mapper at none against GIC Collect's 14. Slum Mapper also leads on update cadence (every 4 days vs every 5 weeks). GIC Collect's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. GIC Collect sells 14 in-app purchases, starting at $1.99 per month. Slum Mapper asks for nothing beyond the download.

GIC Collect ships an update every 5 weeks, Slum Mapper every 4 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | GIC Collect | Slum Mapper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (162 ratings)](https://appshunter.io/ios/app/gic-collect/id1485932698/reviews)** | — |
| Number of ratings | **162** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GIC](https://appshunter.io/developer/355828595) | [Felix Mutua](https://appshunter.io/developer/1786380013) |

## What reviewers say

### GIC Collect

[App page](https://appshunter.io/ios/app/gic-collect/id1485932698)

This app allows users to collect data using forms compatible with the Open Data Kit (ODK) Collect for iOS. It supports functions available in JavaRosa, aiming for seamless integration with existing ODK forms.

**Highlights:** ODK Collect compatibility, Supports JavaRosa functions, Seamless form integration, Data collection for iOS, Bug reporting and support

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| XLSForm CreatIon Basic | $1.99 | per month |
| XLSForm CreatIon Mid | $3.99 | per month |
| GIC Collect Monthly | $4.99 | per month |
| GIC Collect, XML Insp, Monthly | $9.99 | per month |
| GIC Collect Quarterly | $12.99 | per 3 months |
| XLSForm CreatIon High | $19.99 | per month |
| GICCollect, XMLInsp. Quarterly | $25.99 | per 3 months |
| GIC Collect Yearly | $47.99 | per year |
| XLSForm CreatIon Very High | $49.99 | per month |
| GIC Collect, XML Inspe. Yearly | $95.99 | per year |
| XLSForm Recovery Small | $19.99 | one-time |
| XLSForm Recovery Mid | $29.99 | one-time |
| XLSForm Recovery Large | $49.99 | one-time |
| XLSForm Recovery Unlimited | $199.99 | one-time |


### Slum Mapper

[App page](https://appshunter.io/ios/app/slum-mapper/id6739756553)

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

**In-app purchases:** none


## Frequently asked questions

### Is GIC Collect free?

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

### Is Slum Mapper free?

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

### Do GIC Collect or Slum Mapper have ads?

Neither GIC Collect nor Slum Mapper shows ads.

### Which is updated more often, GIC Collect or Slum Mapper?

GIC Collect ships an update every 5 weeks, and Slum Mapper every 4 days. Most recently, GIC Collect was updated on October 24, 2026 and Slum Mapper on October 22, 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.*