# SpectroTap vs Protect TD

The clearest difference is update cadence: Protect TD at every 2 weeks against SpectroTap's every 47 months. Protect TD also leads on ratings volume (5 vs 1). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for SpectroTap against 5.0 for Protect TD. That said, the two scores are not equally well evidenced: Protect TD has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

SpectroTap ships an update every 47 months, Protect TD every 2 weeks. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SpectroTap | Protect TD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/spectrotap/id879938653/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/protect-td/id1575430933/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 136 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Condecca, Inc.](https://appshunter.io/developer/1103537038) | [Heather Marriott](https://appshunter.io/developer/919616194) |

## What reviewers say

### SpectroTap

[App page](https://appshunter.io/ios/app/spectrotap/id879938653)

A fast-paced game where players tap a red block on a grid to earn points and extend playtime. The challenge increases as the game speeds up and time rewards decrease, leading to a loss if time runs out or the wrong block is tapped.

**Highlights:** Tap the red block, Earn points, Gain extra time, Increasing speed, High score challenge, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Protect TD

[App page](https://appshunter.io/ios/app/protect-td/id1575430933)

Defend adorable animals from environmental hazards in this offline tower defense game. Choose from multiple difficulty levels and strategically place towers to stop enemies like plastic bottles and garbage bags. Enjoy a pure, ad-free gaming experience.

**Highlights:** Offline gameplay, No ads or in-app purchases, Multiple difficulty levels, Protect various cute animals, Environmental enemies, Strategic tower placement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpectroTap free?

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

### Is Protect TD free?

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

### Which has better reviews, SpectroTap or Protect TD?

SpectroTap and Protect TD are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do SpectroTap or Protect TD have ads?

Neither SpectroTap nor Protect TD shows ads.

### Which is updated more often, SpectroTap or Protect TD?

SpectroTap ships an update every 47 months, and Protect TD every 2 weeks. Most recently, SpectroTap was updated on October 16, 2026 and Protect TD on October 3, 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.*