# Lost Echo vs Secret Agent London

The clearest difference is price: Secret Agent London at Free against Lost Echo's $4.49. Secret Agent London also leads on review sentiment (100% vs 76%). Lost Echo's advantage is rating (4.6 vs 4.3) and ratings volume (86 vs 13). On update cadence, ads, in-app purchases and device support there is nothing between them.

Secret Agent London is free to download; Lost Echo costs $4.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Lost Echo holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Lost Echo has 86 ratings behind it against 13, so its average is the more settled of the two. Written reviews complicate that: 76% of Lost Echo's written reviews are positive against 100% of Secret Agent London's, so the app with the better star average is not the one people write more warmly about.

Lost Echo ships an update fortnightly, Secret Agent London weekly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lost Echo | Secret Agent London |
| --- | --- | --- |
| Price | $4.49 | **Free** |
| Rating | **[4.6 (86 ratings)](https://appshunter.io/ios/app/lost-echo/id693045097/reviews)** | [4.3 (13 ratings)](https://appshunter.io/ios/app/secret-agent-london-document/id1048880460/reviews) |
| Number of ratings | **86** | 13 |
| Positive reviews | 76.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 444 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [KickBack](https://appshunter.io/developer/701558931) | [Efe Sar](https://appshunter.io/developer/1048880459) |

## What reviewers say

### Lost Echo

[App page](https://appshunter.io/ios/app/lost-echo/id693045097)

Embark on a sci-fi mystery adventure to find a missing girlfriend. Explore 3D environments, solve puzzles, and interact with characters to uncover the truth behind her disappearance. This story-driven experience captures the spirit of classic adventure games.

**Highlights:** Story-driven sci-fi mystery, Point-and-click adventure gameplay, Explore fully 3D environments, Solve puzzles, Interact with characters, Uncover the truth

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent story and plot
- 🎨 Beautiful graphics and visuals
- 🎶 Immersive soundtrack
- 👍 Engaging and thought-provoking gameplay
- 💡 Unique and innovative concept

**What reviewers complain about**

- 🐢 Slow pacing and excessive dialogue
- 🤔 Confusing and unsatisfying ending
- 👨‍💻 Awkward character animations and interactions
- 🌐 Issues with translation and grammar

**Reported bugs**

- Game progress getting deleted after updates
- Inability to progress past certain points

**Requested features**

- More challenging puzzles
- Multiple endings or branching storylines
- Improved character development
- Sequel or expansion to continue the story


### Secret Agent London

[App page](https://appshunter.io/ios/app/secret-agent-london-document/id1048880460)

Embark on a thrilling spy adventure in London, solving puzzles and cracking codes across six unique missions. Experience action-packed gameplay with video clues and challenging mini-games to save the world.

**Highlights:** 6 unique missions and puzzle types, Video-based mission briefings, Phone keypad code-cracking, Parachute mini-game, Hidden video codes, Challenging line puzzle

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lost Echo free?

Lost Echo costs $4.49, with no in-app purchases.

### Is Secret Agent London free?

Secret Agent London is free to download, with no in-app purchases.

### Which has better reviews, Lost Echo or Secret Agent London?

Lost Echo is rated higher. Lost Echo averages 4.6 out of 5 from 86 ratings, while Secret Agent London averages 4.3 from 13 ratings.

### Do Lost Echo or Secret Agent London have ads?

Neither Lost Echo nor Secret Agent London shows ads.

### Which is updated more often, Lost Echo or Secret Agent London?

Lost Echo ships an update fortnightly, and Secret Agent London weekly. Most recently, Lost Echo was updated on October 17, 2026 and Secret Agent London on October 8, 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.*