# Puzzle Sidekick vs SFPL

The clearest difference is review sentiment: Puzzle Sidekick at 100% against SFPL's 29%. Puzzle Sidekick also leads on rating (4.9 vs 4.0) and iOS requirement (12.0 vs 16.0). SFPL's advantage is update cadence (every 4 months vs every 20 months). On price, ratings volume, 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.

Puzzle Sidekick holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 109 and 50 respectively. Written reviews point the same way: 100% of Puzzle Sidekick's written reviews are positive against 29% of SFPL's.

Puzzle Sidekick ships an update every 20 months, SFPL every 4 months. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Puzzle Sidekick | SFPL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (109 ratings)](https://appshunter.io/ios/app/puzzle-sidekick/id678644111/reviews)** | [4.0 (50 ratings)](https://appshunter.io/ios/app/sfpl/id952828394/reviews) |
| Number of ratings | **109** | 50 |
| Positive reviews | **100.0% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 8 MB | 22 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Netninja.com](https://appshunter.io/developer/374959433) | [San Francisco Public Library](https://appshunter.io/developer/1591076880) |

## What reviewers say

### Puzzle Sidekick

[App page](https://appshunter.io/ios/app/puzzle-sidekick/id678644111)

This app provides a comprehensive suite of tools, reference materials, and links for puzzle enthusiasts. It includes various decoders, timers, and extensive lists of codes, ciphers, and common data for solving complex puzzles and games.

**Highlights:** Codebreaking tools (ROT-N, Vigenere, Substitution), Character encoding references (Morse, Semaphore, Braille), Word pattern matching dictionary, Countdown timer prediction, Color mixer and password generator, Extensive reference lists (constants, periodic table, zodiac)

**Features:** macOS Compatibility

**In-app purchases:** none


### SFPL

[App page](https://appshunter.io/ios/app/sfpl/id952828394)

Access your local library's catalog from your mobile device. Browse new releases, manage holds, renew borrowed items, and discover upcoming events. Plan your library visits with ease, all from your pocket.

**Highlights:** Browse new titles and recommendations, Place and manage holds, Renew checked out materials, Plan library visits, See upcoming events

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

**In-app purchases:** none


## Frequently asked questions

### Is Puzzle Sidekick free?

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

### Is SFPL free?

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

### Which has better reviews, Puzzle Sidekick or SFPL?

Puzzle Sidekick is rated higher. Puzzle Sidekick averages 4.9 out of 5 from 109 ratings, while SFPL averages 4.0 from 50 ratings.

### Do Puzzle Sidekick or SFPL have ads?

Neither Puzzle Sidekick nor SFPL shows ads.

### Which is updated more often, Puzzle Sidekick or SFPL?

Puzzle Sidekick ships an update every 20 months, and SFPL every 4 months. Most recently, Puzzle Sidekick was updated on September 23, 2026 and SFPL on September 8, 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.*