# Dual Screen Sync vs 97Tracker

The clearest difference is update cadence: 97Tracker at every 9 days against Dual Screen Sync's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Dual Screen Sync ships an update every 3 weeks, 97Tracker every 9 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Dual Screen Sync | 97Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/97tracker/id6779360998/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 1 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Insik Shin](https://appshunter.io/developer/1740272742) | [HUNTER DAVID JEFFERY ESP](https://appshunter.io/developer/6779361000) |

## What reviewers say

### Dual Screen Sync

[App page](https://appshunter.io/ios/app/dual-screen-sync/id6737029339)

**In-app purchases:** none


### 97Tracker

[App page](https://appshunter.io/ios/app/97tracker/id6779360998)

This app helps National Guard and Reserve members track drill, pay, and retirement points across all branches. It features a calendar for unit schedules, easy logging of duty types, and progress tracking towards retirement goals.

**Highlights:** Track drill, pay, and retirement points, Log all duty types (UTA, RUTA, training, active duty), Mark periods as paid or points only, Build retirement points toward good year, Estimate drill, BAS, BAH, and pay, Track PT-test and aircrew currency, Export duty log to CSV

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dual Screen Sync free?

Dual Screen Sync is free to download, with no in-app purchases.

### Is 97Tracker free?

97Tracker is free to download, with no in-app purchases.

### Do Dual Screen Sync or 97Tracker have ads?

Neither Dual Screen Sync nor 97Tracker shows ads.

### Which is updated more often, Dual Screen Sync or 97Tracker?

Dual Screen Sync ships an update every 3 weeks, and 97Tracker every 9 days. Most recently, Dual Screen Sync was updated on October 6, 2026 and 97Tracker on October 2, 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.*