Hidden msg vs Tracking Marker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hidden msg
Securely send and receive hidden files within iMessage. Protect your sensitive data with Touch ID/Face ID authentication. Customize the visible placeholder image for unauthorized viewers.
- Send and receive hidden files in iMessage
- Touch ID/Face ID protection
- Customizable placeholder image
- Secure storage on Apple servers
- iCloud account required
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Don't be afraid anymore that someone sees your exchanged files in iMessage. Hidden msg for iMessage allows you to send and receive hidden files. It is also protected by Touch ID / face ID ;) • You choose the picture that will appear for all unconcerned/unauthorized persons. • You choose the file that will be visible only for the concerned/authorized person. • If Touch ID / Face ID is configured, no one can see the hidden file except the concerned/ authorized person. PS : Because of the importance of your privacy, all your files are stored on Apple's servers in order to ensure security and reliability. Therefore, it is necessary to have an iCloud account.
Tracking Marker
This application aids in post-production by facilitating screen replacements for film and video projects. It offers a streamlined approach to a common visual effects task, designed for simplicity and efficiency.
- Screen replacement for video
- Post-production tool
- Simplified VFX workflow
- Film production aid
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This app is intended to help post-production with screen replacements in film- and video-production. If you are reading this you will probably know what it is about. We decided to keep it as simple as possible. Current tested devices: • Iphone 6 or higher • Ipad 2 or higher. Enjoy.
Screenshots
Verdict
The clearest difference is review sentiment: Tracking Marker at 100% against Hidden msg's 14%. Tracking Marker also leads on rating (4.6 vs 2.3) and update cadence (every 6 weeks vs every 3 months). Hidden msg's advantage is iOS requirement (10.0 vs 12.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tracking Marker holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 14% of Hidden msg's written reviews are positive against 100% of Tracking Marker's.
Hidden msg ships an update every 3 months, Tracking Marker every 6 weeks. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.
| Parameter | Hidden msg | Tracking Marker |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (6 ratings) | 4.6 (10 ratings) — better |
| Positive reviews | 14.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 | 10 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 4 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Malek Radhouani | Ambassadors |
Customer experience
Hidden msg
Tracking Marker
In-app purchases
Hidden msg
No in-app purchases
Tracking Marker
No in-app purchases
