Astro Kit vs BookToSpeech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Astro Kit
This utility app assists in telescope setup by providing essential information like GPS coordinates and universal time. It also includes a compass and calculates the local hour angle for Polaris. Designed for amateur astronomers, it simplifies the alignment process.
- GPS coordinates
- Compass functionality
- Universal time display
- Polaris local hour angle computation
- Telescope alignment assistance
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Astro Kit is intended to provide useful informations while setting up a telescope. - gps coordinates - compass - universal time - compute polaris local hour angle
BookToSpeech
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BookToSpeech allows you to easily transform your PDF books or texts into audiobooks. Just import directly from the native Files app and listen to them. You can copy any text, paste directly into BookToSpeech, and listen calmly, for example, while driving your car. With your iDevice's camera scan any text, edit that text if you want, and listen to it in BookToSpeech. You can also write or dictate your text, and listen to it at the rate and pitch you want. One purchase, all features. Features: - All 38 languages and voices made available by iOS - Directly import PDF text - Paste text of any format - Scan text through the camera - Write or dictate text - Text organized by pages - Marking the page, for later restart - Hearing even when in the background - Night mode - Adjusting the rhythm and tone - Internet access is not required Available languages: Czech (Czechia) Danish (Denmark) German (Germany) Greek (Greece) English (Australia) English (United Kingdom) English (Ireland) English (India) English (United States) English (South Africa) Spanish (Spain) Spanish (Mexico) Finnish (Finland) French (Canada) French (France) Hebrew (Israel) Hindi (India) Hungarian (Hungary) Indonesian (Indonesia) Italian (Italy) Japanese (Japan) Korean (South Korea) Dutch (Belgium) Dutch (Netherlands) Norwegian (Norway) Polish (Poland) Portuguese (Brazil) Portuguese (Portugal) Romanian (Romania) Russian (Russia) Slovak (Slovakia) Swedish (Sweden) Thai (Thailand) Turkish (Turkey) Chinese (China mainland) Chinese (Taiwan)
Screenshots
Verdict
The clearest difference is price: Astro Kit at Free against BookToSpeech's $2.99. Astro Kit also leads on update cadence (every 3 months vs every 29 months) and iOS requirement (17.6 vs 26.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Astro Kit is free to download; BookToSpeech costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Astro Kit ships an update every 3 months, BookToSpeech every 29 months. The most recent releases landed on June 1, 2026 and September 3, 2026 respectively.
| Parameter | Astro Kit | BookToSpeech |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.6 (50 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 50 — better | — |
| Update frequency | Every 3 months — better | Every 29 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerome Diaz | Paulo Correia |
In-app purchases
Astro Kit
No in-app purchases
BookToSpeech
No in-app purchases
Questions
Is Astro Kit free?
Is BookToSpeech free?
Do Astro Kit or BookToSpeech have ads?
Which is updated more often, Astro Kit or BookToSpeech?
Other comparisons
