# DiY IEU Library vs ObsIdentify

The clearest difference is update cadence: ObsIdentify at every 3 weeks against DiY IEU Library's every 2 months. DiY IEU Library's advantage is iOS requirement (13.0 vs 15.1). On price, ads, 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.

DiY IEU Library ships an update every 2 months, ObsIdentify every 3 weeks. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DiY IEU Library | ObsIdentify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (5 ratings)](https://appshunter.io/ios/app/obsidentify/id1464543488/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUTO DE EMPRESA SL](https://appshunter.io/developer/504528731) | [Observation International](https://appshunter.io/developer/1464543487) |

## What reviewers say

### DiY IEU Library

[App page](https://appshunter.io/ios/app/diy-ieu-library/id1074815558)

**Features:** macOS Compatibility

**In-app purchases:** none


### ObsIdentify

[App page](https://appshunter.io/ios/app/obsidentify/id1464543488)

Instantly identify plants, animals, and mushrooms from photos taken in Europe or the Dutch Caribbean. Track your discoveries, earn rewards, and contribute to scientific research by sharing your observations.

**Highlights:** One-click species recognition, Collect wildlife observations, Tips for finding new species, Earn badges and join challenges, Create and share observations with groups, Contribute to biological research

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

**In-app purchases:** none


## Frequently asked questions

### Is DiY IEU Library free?

DiY IEU Library is free to download, with no in-app purchases.

### Is ObsIdentify free?

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

### Do DiY IEU Library or ObsIdentify have ads?

Neither DiY IEU Library nor ObsIdentify shows ads.

### Which is updated more often, DiY IEU Library or ObsIdentify?

DiY IEU Library ships an update every 2 months, and ObsIdentify every 3 weeks. Most recently, DiY IEU Library was updated on September 7, 2026 and ObsIdentify on September 21, 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.*