# Bookends vs Interval Timer for Tasks

The clearest difference is rating: Bookends at 4.7 against Interval Timer for Tasks's 4.2. Bookends also leads on ads (none vs shown) and review sentiment (76% vs 43%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Bookends sells 2 in-app purchases, starting at $14.99 per year and Interval Timer for Tasks sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Bookends holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 394 and 95 respectively. Written reviews point the same way: 76% of Bookends's written reviews are positive against 43% of Interval Timer for Tasks's.

Bookends ships an update every 2 months, Interval Timer for Tasks monthly. The most recent releases landed on August 28, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Bookends | Interval Timer for Tasks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (394 ratings)](https://appshunter.io/ios/app/bookends/id739087947/reviews)** | [4.2 (95 ratings)](https://appshunter.io/ios/app/interval-timer-for-tasks/id1455772101/reviews) |
| Number of ratings | **394** | 95 |
| Positive reviews | **76.4% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 111 MB | 88 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sonny Software, LLC](https://appshunter.io/developer/417583547) | [Foobar Creative](https://appshunter.io/developer/464777525) |

## What reviewers say

### Bookends

[App page](https://appshunter.io/ios/app/bookends/id739087947)

Manage your research references and PDFs on your mobile device. Search online databases, import metadata, annotate PDFs, and organize your library. Offers basic functionality for free with optional one-time purchase and yearly subscription for advanced features like cloud sync and unlimited imports.

**Highlights:** Search online reference databases, Import metadata and PDFs, PDF annotation and markup, Barcode scanning for references, Cloud sync across devices, Share online libraries, Create multiple libraries

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $14.99 | per year |
| Standard | $14.99 | one-time |

**What reviewers like**

- 🚀 Seamless sync across devices
- 👍 Excellent PDF annotation tools
- 🔒 Reliable and stable
- 💡 Powerful reference management features
- 👍 Responsive and helpful developer support

**What reviewers complain about**

- 🐛 Sync issues with iCloud and PDF files
- 🔒 Subscription model for essential features
- 👎 Outdated and clunky user interface
- 🔒 Limited functionality on iOS without subscription

**Reported bugs**

- Incompatibility with iCloud Optimized Storage
- Unreliable sync between desktop and mobile versions
- Occasional data loss or corruption

**Requested features**

- Nested folders and tags for better organization
- Automatic PDF metadata extraction
- Improved search and filtering capabilities
- Seamless integration with third-party services


### Interval Timer for Tasks

[App page](https://appshunter.io/ios/app/interval-timer-for-tasks/id1455772101)

Configure custom interval timers for focused work, study, or routines. Set multiple intervals with unique sounds and durations. Receive notifications even when the app is closed.

**Highlights:** Configure multiple intervals per timer, Save and run multiple timers simultaneously, Customizable interval names, sounds, and colors, Start and finish delays, Background notifications, Siri and Shortcuts integration, Standalone Apple Watch app

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Premium Monthly | $2.99 | per month |
| Interval Timer Premium Yearly | $7.99 | per year |
| Pro Upgrade | $19.99 | one-time |


## Frequently asked questions

### Is Bookends free?

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

### Is Interval Timer for Tasks free?

Interval Timer for Tasks is free to download, with in-app purchases available.

### Which has better reviews, Bookends or Interval Timer for Tasks?

Bookends is rated higher. Bookends averages 4.7 out of 5 from 394 ratings, while Interval Timer for Tasks averages 4.2 from 95 ratings.

### Do Bookends or Interval Timer for Tasks have ads?

Interval Timer for Tasks shows ads; Bookends does not.

### Which is updated more often, Bookends or Interval Timer for Tasks?

Bookends ships an update every 2 months, and Interval Timer for Tasks monthly. Most recently, Bookends was updated on August 28, 2026 and Interval Timer for Tasks on September 21, 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.*