# Ataavi Bird Hub India vs Linprog

The clearest difference is ads: Ataavi Bird Hub India at none against Linprog's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ataavi Bird Hub India ships an update every 3 weeks, Linprog every 2 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ataavi Bird Hub India | Linprog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 84 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ataavi Bird Foundation](https://appshunter.io/developer/1831696787) | [Vitalii Solovei](https://appshunter.io/developer/1535373267) |

## What reviewers say

### Ataavi Bird Hub India

[App page](https://appshunter.io/ios/app/ataavi-bird-hub-india/id6749673941)

Identify Indian birds using images, calls, and descriptions. Log your sightings with a checklist, discover birding hotspots, and connect with a community of bird enthusiasts and conservation professionals.

**Highlights:** Bird identification by image, call, description, Log sightings with checklist, Explore Indian bird information, Discover birding events and careers, Connect with bird guides, Find birding hotspots

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

**In-app purchases:** none


### Linprog

[App page](https://appshunter.io/ios/app/linprog-linear-programming/id6785194507)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ataavi Bird Hub India free?

Ataavi Bird Hub India is free to download, with no in-app purchases.

### Is Linprog free?

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

### Do Ataavi Bird Hub India or Linprog have ads?

Linprog shows ads; Ataavi Bird Hub India does not.

### Which is updated more often, Ataavi Bird Hub India or Linprog?

Ataavi Bird Hub India ships an update every 3 weeks, and Linprog every 2 weeks. Most recently, Ataavi Bird Hub India was updated on October 13, 2026 and Linprog on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*