# TeachTap vs GreenLine Map

The clearest difference is in-app purchases: GreenLine Map at none against TeachTap's 18. GreenLine Map also leads on ads (none vs shown). TeachTap's advantage is update cadence (every 5 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TeachTap sells 18 one-off in-app purchases. GreenLine Map asks for nothing beyond the download.

TeachTap ships an update every 5 days, GreenLine Map every 3 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TeachTap | GreenLine Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (883 ratings)](https://appshunter.io/ios/app/teachtap/id6449712355/reviews)** | — |
| Number of ratings | **883** | — |
| Positive reviews | 67.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GT School, Inc.](https://appshunter.io/developer/1684520888) | [RASHID SEIDU AROZA](https://appshunter.io/developer/1877367682) |

## What reviewers say

### TeachTap

[App page](https://appshunter.io/ios/app/teachtap/id6449712355)

Prepare for SAT and AP exams with an AI-powered app offering personalized guidance, engaging lessons, and unlimited practice tests. Achieve your target scores and gain confidence for college admissions with 24/7 AI tutor support.

**Highlights:** AI-powered lessons, Personalized guidance, 24/7 AI tutors, Unlimited practice tests, Instant feedback, Progress analytics

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Discounted Course Access | $30.00 | one-time |
| Limited Time Offer | $39.99 | one-time |
| Limited Time Offer 2 | $59.99 | one-time |
| Course Access | $79.99 | one-time |
| Discounted Course Access 2 | $149.00 | one-time |
| SAT Bootcamp 60% Off | $159.00 | one-time |
| SAT Crash Course 60% Off | $159.00 | one-time |
| AP Program | $199.00 | one-time |
| SAT Bootcamp 50% Off | $199.00 | one-time |
| Digital SAT Crash Course | $199.00 | one-time |
| AP Program with SAT | $299.00 | one-time |
| SAT Bootcamp + AP Add-on | $299.00 | one-time |
| SAT Crash Course + AP Add-on | $299.00 | one-time |
| AP Program - Regular | $399.00 | one-time |
| SAT Bootcamp Regular | $399.00 | one-time |
| SAT Crash Course Regular | $399.00 | one-time |
| Discounted Ultimate Test Prep | $399.00 | one-time |
| Ultimate AP Test Prep | $799.00 | one-time |

**What reviewers like**

- 🚀 Engaging and fun learning experience
- 💡 Innovative use of AI and historical figures
- 👍 Effective for AP test preparation
- 🚀 Efficient micro-learning format
- 👍 Personalized and adaptive learning

**What reviewers complain about**

- 💰 High cost for full course access
- 🐛 Some incorrect information
- 🔍 Limited course options currently available

**Reported bugs**

- Video pauses when comments are opened
- Some UI elements feel unintuitive to use

**Requested features**

- Add more AP course options
- Incorporate more visuals and multimedia
- Increase speed of AI character voices
- Implement free response practice and feedback
- Add background music to enhance engagement


### GreenLine Map

[App page](https://appshunter.io/ios/app/greenline-map/id6805715815)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TeachTap free?

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

### Is GreenLine Map free?

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

### Do TeachTap or GreenLine Map have ads?

TeachTap shows ads; GreenLine Map does not.

### Which is updated more often, TeachTap or GreenLine Map?

TeachTap ships an update every 5 days, and GreenLine Map every 3 weeks. Most recently, TeachTap was updated on October 22, 2026 and GreenLine Map on October 24, 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.*