# Plugo by PlayShifu vs Proofline

The clearest difference is in-app purchases: Plugo by PlayShifu at none against Proofline's 1. Plugo by PlayShifu also leads on ads (none vs shown) and ratings volume (7.8K vs 1). Proofline's advantage is rating (5.0 vs 4.7). On price there is nothing between them.

Both are free to download. Proofline sells 1 one-off in-app purchase. Plugo by PlayShifu asks for nothing beyond the download.

Proofline holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Plugo by PlayShifu has 7.8K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Plugo by PlayShifu | Proofline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7.8K ratings)](https://appshunter.io/ios/app/plugo-by-playshifu/id1397023302/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proofline/id6803265996/reviews)** |
| Number of ratings | **7.8K** | 1 |
| Positive reviews | 50.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 862 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mobilizAR](https://appshunter.io/developer/1118350985) | [Lincoln Wolf](https://appshunter.io/developer/6797618552) |

## What reviewers say

### Plugo by PlayShifu

[App page](https://appshunter.io/ios/app/plugo-by-playshifu/id1397023302)

This interactive AR gaming system uses interchangeable kits and a gamepad to make learning STEM subjects fun and hands-on for children. Kids can play and learn without directly touching the screen, developing skills in math, vocabulary, logic, and critical thinking through engaging games.

**Highlights:** Interactive AR gaming, Hands-on STEM learning, Interchangeable game kits, Develops logic and critical thinking, No screen touching required, Multiple educational games

**In-app purchases:** none

**What reviewers like**

- 👍 Great learning tool
- 🎓 Engaging and educational games
- 🤩 Fun for kids
- 🧠 Helps with math, spelling, and music fundamentals
- 💻 Works well on iPads and iPhones

**What reviewers complain about**

- 🐛 Glitchy and buggy app performance
- 🤔 Confusing or unclear instructions
- 🙅‍♀️ Inappropriate content (witchcraft)
- 🤯 Frustrating sync and connection issues
- 🤖 Poor figure/object detection

**Reported bugs**

- App crashes frequently
- Camera permissions not working
- Incorrect math answers provided
- Spelling mistakes in the app
- Compatibility issues with newer devices

**Requested features**

- Add lowercase letter tiles
- Ability to create custom spelling lists
- More diverse avatar options
- Parental controls and profile management
- Randomize word/puzzle selection


### Proofline

[App page](https://appshunter.io/ios/app/proofline/id6803265996)

Engage in a focused logic puzzle game where you arrange symbols based on visual clues to find the single correct order. Enjoy daily challenges and a variety of included levels with intuitive controls and helpful features.

**Highlights:** Daily logic puzzles, 150 included level proofs, Easy, Medium, Hard difficulties, Drag-to-insert and tap-to-swap controls, Optional hints and undo, Detailed statistics, No time limit

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Plugo by PlayShifu free?

Plugo by PlayShifu is free to download, with no in-app purchases.

### Is Proofline free?

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

### Which has better reviews, Plugo by PlayShifu or Proofline?

Proofline is rated higher. Plugo by PlayShifu averages 4.7 out of 5 from 7.8K ratings, while Proofline averages 5.0 from 1 ratings.

### Do Plugo by PlayShifu or Proofline have ads?

Proofline shows ads; Plugo by PlayShifu does not.

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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.*