# Plus Calculator vs Find Lost Device

The clearest difference is price: Find Lost Device at Free against Plus Calculator's $0.99. Find Lost Device also leads on update cadence (every 3 months vs every 11 months). Plus Calculator's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 16.0). On ads and device support there is nothing between them.

Find Lost Device is free to download; Plus Calculator costs $0.99 up front. Find Lost Device sells 6 in-app purchases, starting at $4.99 per 7 days. Plus Calculator asks for nothing beyond the download.

Plus Calculator ships an update every 11 months, Find Lost Device every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Plus Calculator | Find Lost Device |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (535 ratings)](https://appshunter.io/ios/app/find-lost-device-air-tracker/id1625877453/reviews)** |
| Number of ratings | — | **535** |
| Positive reviews | — | 75.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 33 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [andrzej kar](https://appshunter.io/developer/1197919669) | [ITincubator UAB](https://appshunter.io/developer/1617775851) |

## What reviewers say

### Plus Calculator

[App page](https://appshunter.io/ios/app/plus-calculator/id1439014026)

**Features:** macOS Compatibility

**In-app purchases:** none


### Find Lost Device

[App page](https://appshunter.io/ios/app/find-lost-device-air-tracker/id1625877453)

Quickly locate misplaced Bluetooth-enabled gadgets like headphones, smartwatches, and fitness trackers. This app uses Bluetooth signals to estimate distance and guide you to your lost item with an intuitive radar interface.

**Highlights:** Bluetooth device locator, Distance estimation, Supports Apple devices, Supports fitness trackers, Radar interface, Notification sounds

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Device Tracker Premium Pack | $4.99 | per 7 days |
| Device Tracker Premium Pack | $4.99 | per 7 days |
| Bluetooth Finder & Tracker PRO | $8.99 | per month |
| Bluetooth Finder & Tracker PRO | $8.99 | per month |
| Headphones Finder PRO | $14.99 | per year |
| Headphones Finder PRO | $14.99 | per year |

**What reviewers like**

- 🚀 Efficient device locating
- 🔍 Accurate distance estimation
- 👍 User-friendly interface
- 🔍 Helpful radar feature
- 🚀 Quick and easy to use

**What reviewers complain about**

- 🐛 Subscription issues
- 🐛 Compatibility problems
- 🐛 Inconsistent settings

**Reported bugs**

- Inability to restore purchases
- Failing to detect nearby devices

**Requested features**

- People tracking feature
- GPS integration


## Frequently asked questions

### Is Plus Calculator free?

Plus Calculator costs $0.99, with no in-app purchases.

### Is Find Lost Device free?

Find Lost Device is free to download, with in-app purchases available.

### Do Plus Calculator or Find Lost Device have ads?

Neither Plus Calculator nor Find Lost Device shows ads.

### Which is updated more often, Plus Calculator or Find Lost Device?

Plus Calculator ships an update every 11 months, and Find Lost Device every 3 months. Most recently, Plus Calculator was updated on October 25, 2026 and Find Lost Device on October 24, 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.*