Comparison

SoH Calculator vs Read Offline Web

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SoH Calculator

Assess the State of Health (SoH) of electric vehicle batteries instantly. Ideal for used EV buyers, it offers quick insights without requiring tests or hardware. Supports a wide range of preset vehicles and custom entries.

Highlights
  • Instant EV battery SoH assessment
  • No long tests or OBD dongles needed
  • Preset vehicle models included
  • Custom vehicle support
  • Calculated degradation values
  • Based on EPA range data
Features
Read full description

Quickly assess the battery State of Health (SoH) of any EV. Perfect tool for used EV buyers—this app provides instant insights with no long tests, OBD dongles, or hassle required! A large number of preset cars are included (currently all Model 3 types ever manufactured), while you can add custom vehicles too. The calculated SoH and battery degradation values provided by this app serve as a strong indication based on actual EPA ranges reported by the vehicle’s onboard computer. However, they are not intended as precise measurements. This app is independently developed and is in no way affiliated with, endorsed by, or associated with Tesla, Inc.

About

Read Offline Web

Save web pages to read later, even without an internet connection. Preserve articles, recipes, and research with their full structure, including text, links, and headings. Organize saved content by site and search it easily.

Highlights
  • Save entire web pages for offline reading
  • Preserves full web page structure
  • Supports dynamic websites
  • Optional image saving
  • Full-text search of saved pages
  • Auto-organized by site
  • Available in 39 languages
Features
Read full description

Read Offline Web saves web pages so you can read them anytime — even without an internet connection. That article you bookmarked "for later"? Now you can actually read it, even underground or on a plane. It saves web pages with their full structure — not just screenshots — so text stays easy to read, and links and headings are preserved. Perfect for these moments ・Reading interesting articles on your commute or while traveling ・Saving recipes to view offline in the kitchen ・Keeping research and study materials always at hand ・Enjoying reading on flights or in areas with no signal ・Preserving important information before a web page disappears Main Features ・Save entire web pages and browse offline ・Supports dynamic websites ・Image saving is optional (OFF by default to save space) ・Full-text search saved pages by title or URL ・Auto-organized into folders by site ・Sort by date saved, title, or domain ・Available in 39 languages Privacy You Can Trust Saved data is stored only on your device and is never sent externally. No account needed. ・No ads ・Free to start — save up to 20 pages, or unlock unlimited with a one-time Pro purchase (no subscription) Note On sites that require login, pages after logging in may not be saved correctly. Content shown only after login may not be saved due to authentication or session restrictions.

Screenshots

SoH Calculator3 screens
Read Offline Web2 screens

Verdict

The call

The clearest difference is price: Read Offline Web at Free against SoH Calculator's $0.99. Read Offline Web also leads on iOS requirement (15.0 vs 18.1). SoH Calculator's advantage is in-app purchases (none vs 1). On review sentiment, ads, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Read Offline Web is free to download; SoH Calculator costs $0.99 up front. Read Offline Web sells 1 one-off in-app purchase. SoH Calculator asks for nothing beyond the download.

Scorecard3 real differences · 5 level
SoH Calculator versus Read Offline Web: the parameters behind the verdict, then further details
ParameterSoH CalculatorRead Offline Web
Price$0.99Free — better
Positive reviews0.0% of reviews0.0% of reviews
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.115.0 — better
Further details — not scored
Size14 MB31 MB
Age rating4+4+
DeveloperLogic-DesignSeiya.k

Customer experience

SoH Calculator

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Read Offline Web

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

SoH Calculator

No in-app purchases

1 purchases

Read Offline Web

One-time1
  • Save Web Page Pro$3.99

Questions

Is SoH Calculator free?
SoH Calculator costs $0.99, with no in-app purchases.
Is Read Offline Web free?
Read Offline Web is free to download, with in-app purchases available.
Do SoH Calculator or Read Offline Web have ads?
Neither SoH Calculator nor Read Offline Web shows ads.

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