Comparison

ESF Mobile vs ReadFast

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

Head to head

ESF Mobile

Smart Farm Data Platform

★ 2.33 ratingsView app →

About

ESF Mobile

Features

Read full description

ESF Mobile makes it easy to manage the UC Merced Experimental Smart Farm by bringing field data and imagery straight to your phone. View farm maps with crop boundaries, explore satellite and drone imagery over time, and track crop health with simple visualization tools. The app helps you stay organized with crop types, field details, giving you a clear picture of what’s happening across the farm in one place.

About

ReadFast

Enhance your reading speed with a unique word-flashing technique. This utility app presents words sequentially at a rapid pace to improve comprehension and efficiency.

Highlights

Rapid Serial Visual Presentation (RSVP)
Word-by-word flashing
Improved reading speed
Enhanced comprehension
User-friendly interface

Features

Read full description

ReadFast lets you read faster by flashing words at you using Rapid Serial Visual Presentation

Screenshots

ESF Mobile4 screens

ReadFast4 screens

Verdict

The call

The clearest difference is update cadence: ESF Mobile at fortnightly against ReadFast's every 5 weeks. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ESF Mobile ships an update fortnightly, ReadFast every 5 weeks. Both last shipped on October 30, 2026.

Scorecard1 real difference · 9 level

ESF Mobile versus ReadFast: the parameters behind the verdict, then further details
Parameter	ESF Mobile	ReadFast
Price	Free	Free
Rating	—	2.3 (3 ratings) — better
Positive reviews	—	0.0% of reviews
Number of ratings	—	3 — better
Update frequency	Fortnightly — better	Every 5 weeks
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.5	15.1 — better
Further details — not scored
Size	87 MB	61 MB
Age rating	4+	4+
Developer	UC Merced	Leo Cui

In-app purchases

None

ESF Mobile

No in-app purchases

None

ReadFast

No in-app purchases

Questions

Is ESF Mobile free?

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

Is ReadFast free?

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

Do ESF Mobile or ReadFast have ads?

Neither ESF Mobile nor ReadFast shows ads.

Which is updated more often, ESF Mobile or ReadFast?

ESF Mobile ships an update fortnightly, and ReadFast every 5 weeks. Most recently, ESF Mobile was updated on October 30, 2026 and ReadFast on October 30, 2026.