# iTopography vs Interlinked Loyalty Network

The clearest difference is review sentiment: Interlinked Loyalty Network at 75% against iTopography's 19%. Interlinked Loyalty Network also leads on in-app purchases (none vs 2) and update cadence (every 2 weeks vs every 4 months). iTopography's advantage is iOS requirement (12.0 vs 14.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. iTopography sells 2 one-off in-app purchases. Interlinked Loyalty Network asks for nothing beyond the download.

iTopography ships an update every 4 months, Interlinked Loyalty Network every 2 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iTopography | Interlinked Loyalty Network |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 19.2% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 39 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-SmartSolutions](https://appshunter.io/developer/391390898) | [Blackjack Media Ltd](https://appshunter.io/developer/1087835638) |

## What reviewers say

### iTopography

[App page](https://appshunter.io/ios/app/itopography-area-calculator/id391390895)

Easily calculate the area and perimeter of any surface by mapping its borders. Obtain coordinates from Google Maps, import DXF files, and export your data. Ideal for engineers, topographers, and DIY enthusiasts.

**Highlights:** Polygon area and perimeter calculation, GPS coordinate acquisition (longitude, latitude), DXF file import and export, Project creation and management, Map zoom, pan, and rotation, Manual point addition, On-the-fly sub-region area calculation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arrange points on the map | $0.99 | one-time |
| iTopography Height | $0.99 | one-time |


### Interlinked Loyalty Network

[App page](https://appshunter.io/ios/app/interlinked-loyalty-network/id6478855875)

This platform enables secure and instant transfer, tokenization, redemption, and exchange of loyalty points across various programs and industries. It operates on blockchain technology, utilizing smart contracts for a trustless environment without intermediaries.

**Highlights:** Blockchain-based loyalty point exchange, Instantaneous point transfers, Tokenization of reward points, Secure and trustless environment, Cross-program and cross-industry compatibility, Smart contract integration

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is iTopography free?

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

### Is Interlinked Loyalty Network free?

Interlinked Loyalty Network is free to download, with no in-app purchases.

### Do iTopography or Interlinked Loyalty Network have ads?

Neither iTopography nor Interlinked Loyalty Network shows ads.

### Which is updated more often, iTopography or Interlinked Loyalty Network?

iTopography ships an update every 4 months, and Interlinked Loyalty Network every 2 weeks. Most recently, iTopography was updated on October 3, 2026 and Interlinked Loyalty Network on October 14, 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.*