# AAT Installation App vs Left

The clearest difference is in-app purchases: AAT Installation App at none against Left's 34. AAT Installation App also leads on device support (3 vs 1) and iOS requirement (12.1 vs 26.0). Left's advantage is update cadence (every 3 days vs every 22 months). On price and ads there is nothing between them.

Both are free to download. Left sells 29 in-app purchases, starting at $0.99 per 7 days. AAT Installation App asks for nothing beyond the download.

AAT Installation App ships an update every 22 months, Left every 3 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AAT Installation App | Left |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (486 ratings)](https://appshunter.io/ios/app/left-widgets-for-time-left/id6740155884/reviews)** |
| Number of ratings | — | **486** |
| Positive reviews | — | 72.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 36 MB | 246 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Martin Hupa](https://appshunter.io/developer/444985004) | [Cntxt Limited](https://appshunter.io/developer/1778834894) |

## What reviewers say

### AAT Installation App

[App page](https://appshunter.io/ios/app/aat-installation-app/id1539456531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Left

[App page](https://appshunter.io/ios/app/left-widgets-for-time-left/id6740155884)

Visualize your time with customizable widgets for your Home Screen, Lock Screen, and StandBy. Track life progress, countdowns to important events, and monitor habits with streak tracking. Offers a clean and visually appealing way to stay aware of your time.

**Highlights:** Time progress widgets (year, week, day), Life progress tracking, Event countdowns, Habit and streak tracking, Customizable widget styles and colors, Apple Calendar sync

**In-app purchases (29)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Left Premium | $0.99 | per 7 days |
| Left Premium | $2.99 | per 7 days |
| Left Premium | $3.99 | per 7 days |
| Left Premium | $8.99 | per 7 days |
| LEGEND | $8.99 | per year |
| Left Premium | $9.99 | per year |
| Left Premium | $19.99 | per year |
| Left Premium | $19.99 | per 7 days |
| Left Premium | $24.99 | per year |
| Left Premium | $24.99 | per year |
| Left Premium | $29.99 | per year |
| Left Premium | $29.99 | per year |
| Left Premium | $34.99 | per year |
| Left Premium | $34.99 | per year |
| Thanks! | $39.99 | per year |
| Left+ | $0.99 | one-time |
| Awesome | $1.99 | one-time |
| Left+ | $2.99 | one-time |
| Left+ | $3.99 | one-time |
| Legend | $4.99 | one-time |
| Left+ Thanks | $5.99 | one-time |
| Left+ | $6.99 | one-time |
| Left+ | $7.99 | one-time |
| Left+ | $8.99 | one-time |
| Left Premium | $12.99 | one-time |
| Left Premium | $29.99 | one-time |
| Left Premium | $49.99 | one-time |
| Left Premium | $69.99 | one-time |
| Left Premium | $149.00 | one-time |

**What reviewers like**

- 🚀 Minimalist design
- 👍 Simple and intuitive
- 🔒 Privacy-respecting
- 💡 Unique and insightful concept
- 👍 Clean and bloat-free

**What reviewers complain about**

- 🐛 Buggy app with frequent issues
- 💡 Lack of customization options
- 💡 Predetermined lifespan not accurate for all users

**Reported bugs**

- Widget not working
- Blank screen on widget after update
- Percentage left showing -inf%

**Requested features**

- Custom lifespan input
- Ability to set custom milestones
- Widget color customization
- Life widget
- Ability to track minutes left in the day


## Frequently asked questions

### Is AAT Installation App free?

AAT Installation App is free to download, with no in-app purchases.

### Is Left free?

Left is free to download, with in-app purchases available.

### Do AAT Installation App or Left have ads?

Neither AAT Installation App nor Left shows ads.

### Which is updated more often, AAT Installation App or Left?

AAT Installation App ships an update every 22 months, and Left every 3 days. Most recently, AAT Installation App was updated on October 27, 2026 and Left on October 30, 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.*