# i vs ABook SmartLink

The clearest difference is iOS requirement: ABook SmartLink at 11.0 against i's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

i ships an update every 2 months, ABook SmartLink every 4 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | i | ABook SmartLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (247 ratings)](https://appshunter.io/ios/app/i-pro-mobile-app/id646285328/reviews)** | — |
| Number of ratings | **247** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 88 MB | 23 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-PRO Co., Ltd.](https://appshunter.io/developer/1615881917) | [AGENTEC Co.,Ltd.](https://appshunter.io/developer/454472728) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-pro-mobile-app/id646285328)

View live and recorded video from compatible surveillance devices on your smartphone. Control camera functions, receive alarm notifications, and download footage for later review. Connect via cellular or Wi-Fi for remote access.

**Highlights:** View live video from cameras and recorders, Control camera Pan/Tilt/Zoom and other functions, Playback and download recorded video, Receive alarm notifications with live video links, Check person count statistics via graphs, Connect via 3G/4G/5G/LTE or Wi-Fi

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works with older cameras
- 👍 Remote Monitoring Service appreciated
- 👍 App is steadily improving
- 👍 Works well with specific devices

**What reviewers complain about**

- 🐛 App no longer works remotely
- 🐛 Cannot see cameras when not on site
- 🐛 Does not work with Wi-Fi remotely
- 🐛 Useless in playback mode
- 🐛 Time selection out of sync

**Reported bugs**

- App no longer works remotely since last update
- Cannot see cameras when not directly on site
- Does not work with wifi, can’t see video when out of home
- Could no longer connect to NVRs after upgrading iPhone to iOS 18
- Does not work with iOS 18

**Requested features**

- Add sound functionality
- Implement fingerprint or passcode for security
- Optimize for battery life
- Update app for new iOS versions
- Improve time selection for playback


### ABook SmartLink

[App page](https://appshunter.io/ios/app/abook-smartlink/id953899489)

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is ABook SmartLink free?

ABook SmartLink is free to download, with no in-app purchases.

### Do i or ABook SmartLink have ads?

Neither i nor ABook SmartLink shows ads.

### Which is updated more often, i or ABook SmartLink?

i ships an update every 2 months, and ABook SmartLink every 4 months. Most recently, i was updated on October 15, 2026 and ABook SmartLink on October 12, 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.*