Let's Sync vs Service Maps
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Let's Sync
Synchronize audio across multiple smartphones for shared listening experiences. Create events for silent dances, interactive stories, group workouts, and more. It's a versatile platform for personal and business use, supporting thousands of concurrent participants.
- Synchronizes audio across multiple smartphones
- Creates shared listening events
- Supports silent dances and interactive stories
- Enables group workouts and worldwide events
- Platform for unique business ventures
- Supports up to 7,000 concurrent participants
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Let’s Sync synchronizes audio across multiple smartphones. It is used to create events in which multiple participants hear the audio from their phones at the same time. Let's Sync creates the following types of events Silent Dances in Nature Story Foolery Interactive Stories Story Dating Events Story Gatherings Interactive Story Telling Toys Multilevel Yoga Classes Worldwide Events Sync your favourite playlist with your friends while running, biking and skiing. Let's Sync has many uses and is only limited to your imagination. What will you create? Let’s Sync is free to use and can support up to 7,000 concurrent participants, more with advanced notices. Let’s Sync synchronizes audio across smartphones. It works anywhere where there is internet connection. Let’s Sync can be a platform for your own unique business. Lead your own ecstatic dance events in nature, raise money for your favorite causes, teach simultaneous multi-level yoga classes, or create content for others to use and get paid every time they do. What will you create?
Service Maps
Organize congregation territories, houses, and visits with this app. Add new visits, update existing ones, and manually input territory details. All data syncs across devices via an external server.
- Territory organization
- House and visit tracking
- Add/update visits
- Manual territory input
- Cross-device synchronization
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App to organize territories of congregation. You can see Territories, Houses, and Visits. Features to add new visits and update old ones. Also has the function to manually add territories, houses and visits as text without needing to log in. Everything is always synchronized with an external server, so it's available on all devices logged in. We hope that you will enjoy it. * If you do not have a congregation ID and password, no worries. You can still use the app as a notes app to enter your territories, visits and houses, separated from your other notes apps or you can contact me. We hope that you will enjoy having one place to store the information gathered on your visits. **The app is totally free and will never be monetized.
Screenshots
Verdict
The clearest difference is in-app purchases: Service Maps at none against Let's Sync's 10. Service Maps also leads on review sentiment (100% vs 67%) and update cadence (weekly vs monthly). Let's Sync's advantage is iOS requirement (13.0 vs 16.0). On price, ads and device support 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. Let's Sync sells 10 one-off in-app purchases. Service Maps asks for nothing beyond the download.
Let's Sync ships an update monthly, Service Maps weekly. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.
| Parameter | Let's Sync | Service Maps |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 5 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 92 MB | 21 MB |
| Age rating | 12+ | 4+ |
| Developer | Terra Virgo Corporation | Jose Blanco |
Customer experience
Let's Sync
Service Maps
In-app purchases
Let's Sync
- Add 5 credits to wallet$4.99
- Add 21 credits to wallet$20.99
- Add 22 credits to wallet$21.99
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- Add 23 credits to wallet$22.99
- Add 24 credits to wallet$23.99
- Add 25 credits to wallet$24.99
- Add 26 credits to wallet$25.99
- Add 27 credits to wallet$26.99
- Add 28 credits to wallet$27.99
- Add 29 credits to wallet$28.99
Service Maps
No in-app purchases









