# Learn Python in 21 Days vs Fish Identifier & Animal ID

The clearest difference is review sentiment: Fish Identifier & Animal ID at 100% against Learn Python in 21 Days's 0%. Fish Identifier & Animal ID also leads on rating (4.9 vs 4.5) and update cadence (every 10 days vs every 2 months). Learn Python in 21 Days's advantage is iOS requirement (15 vs 18.2). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Learn Python in 21 Days sells 2 in-app purchases, starting at $9.99 per month and Fish Identifier & Animal ID sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fish Identifier & Animal ID holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 17 and 17 respectively. Written reviews point the same way: 0% of Learn Python in 21 Days's written reviews are positive against 100% of Fish Identifier & Animal ID's.

Learn Python in 21 Days ships an update every 2 months, Fish Identifier & Animal ID every 10 days. The most recent releases landed on September 20, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Learn Python in 21 Days | Fish Identifier & Animal ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (17 ratings)](https://appshunter.io/ios/app/learn-python-in-21-days/id6737173957/reviews) | **[4.9 (17 ratings)](https://appshunter.io/ios/app/fish-identifier-and-animal-id/id6747258868/reviews)** |
| Number of ratings | 17 | 17 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 191 MB | 19 MB |
| Requires iOS | **15** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adam Atamnia](https://appshunter.io/developer/1775084049) | [Strange Mesa](https://appshunter.io/developer/1664988829) |

## What reviewers say

### Learn Python in 21 Days

[App page](https://appshunter.io/ios/app/learn-python-in-21-days/id6737173957)

Master Python programming with interactive lessons covering variables, data types, loops, functions, and more. Practice coding directly within the app and explore advanced topics like error handling and object-oriented programming.

**Highlights:** Variables, indentation, and comments, Data types: int, float, str, bool, list, tuple, set, dict, Control flow: conditions and loops, Functions and modules, Error handling and class basics, In-app coding practice

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Full Access | $9.99 | per month |
| Lifetime Full Access | $19.99 | one-time |


### Fish Identifier & Animal ID

[App page](https://appshunter.io/ios/app/fish-identifier-and-animal-id/id6747258868)

Instantly identify any fish, bird, insect, or animal by snapping a photo. Get detailed information, fun facts, and even fishing tips. Save your discoveries and explore the wildlife around you.

**Highlights:** Instant species identification, Detailed animal information, Fishing tips and regulations, Personal collection saving, Follow-up question feature, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Learn Python in 21 Days free?

Learn Python in 21 Days is free to download, with in-app purchases available.

### Is Fish Identifier & Animal ID free?

Fish Identifier & Animal ID is free to download, with in-app purchases available.

### Which has better reviews, Learn Python in 21 Days or Fish Identifier & Animal ID?

Fish Identifier & Animal ID is rated higher. Learn Python in 21 Days averages 4.5 out of 5 from 17 ratings, while Fish Identifier & Animal ID averages 4.9 from 17 ratings.

### Do Learn Python in 21 Days or Fish Identifier & Animal ID have ads?

Neither Learn Python in 21 Days nor Fish Identifier & Animal ID shows ads.

### Which is updated more often, Learn Python in 21 Days or Fish Identifier & Animal ID?

Learn Python in 21 Days ships an update every 2 months, and Fish Identifier & Animal ID every 10 days. Most recently, Learn Python in 21 Days was updated on September 20, 2026 and Fish Identifier & Animal ID on August 19, 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.*