Comparison

CSVReader vs NAGI Step

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

Head to head
About

CSVReader

Easily view and edit CSV and TSV files on your mobile device. Import files with various character codes, sort columns, and filter data by specific conditions.

Highlights
  • Edit CSV and TSV files
  • Import files with various character codes
  • Sort columns
  • Filter data by conditions
Features
Read full description

Open, view, and edit CSV & TSV files right on your iPhone. No computer or spreadsheet app needed. CSV Reader is a fast, simple tool for working with tabular data on the go. Check an export from work, fix a typo in a data file, or find one row in thousands in just a few taps. KEY FEATURES • Edit CSV and TSV files Change cell values directly and keep your data up to date wherever you are. • No more garbled text Encodings are detected automatically, so files open correctly. That includes UTF-8, UTF-16, Windows-1252 (Excel on Windows), ISO-8859-1 (Latin-1), Mac Roman, and many more. Accented letters, curly quotes, and symbols show up exactly as they should. • Sort any column instantly Tap a column to sort in ascending or descending order. • Powerful per-column filters Set conditions on each column to narrow thousands of rows down to exactly what you need. • Easy-to-read layout Columns resize automatically to fit their content, so your data stays clear and readable. Whether you're a developer, analyst, or anyone who gets CSV files by email, CSV Reader makes handling data on mobile easy.

About

NAGI Step

Features
Read full description

NAGI Step is a quiet focus app for planning what matters today, running the session, and reviewing what you finished. Where available, AI support helps turn a goal into projects, tasks, descriptions, and focus-sized steps. [Main Features] - Focus sessions: plan and run focus/break flows. - AI support (where available): create projects and tasks from a goal, draft descriptions, and split work into manageable steps. - Tasks & projects: assign tasks to sessions and keep today’s work clear. - Stats & history: daily focus totals, monthly calendar, and session records. - Memos: capture ideas during sessions and search them later. - Music Player: import local audio files and play a playlist during focus. - Notifications: local alerts for timer phase changes. [Free Plan] - Up to 2 projects. - Daily totals and monthly calendar. - Music Player. [Plus Unlocks] - Remove ads. - Create 3+ projects. - Hour-by-hour detailed stats and session list. [Best For] - Studying, deep work, and quiet task execution. - Users who want tasks, timer, memos, and history in one app. - Users who want AI-assisted planning where available. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CSVReader4 screens
NAGI Step4 screens

Verdict

The call

CSVReader and NAGI Step are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. CSVReader sells 1 one-off in-app purchase and NAGI Step sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CSVReader ships an update monthly, NAGI Step every 3 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

ScorecardNo meaningful differences
CSVReader versus NAGI Step: the parameters behind the verdict, then further details
ParameterCSVReaderNAGI Step
PriceFreeFree
Rating4.6 (118 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings118 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size29 MB117 MB
Age rating4+4+
DeveloperMotoki TakahashiYuma Isshiki

In-app purchases

1 purchases

CSVReader

One-time1
  • Remove ads$7.99
4 purchases

NAGI Step

Subscriptions2
  • NAGI Timer Plus Monthly$2.991 Month
  • NAGI Timer Plus Yearly$19.991 Year
One-time2
  • 30 AI Credits$1.99
  • 100 AI Credits$4.99

Questions

Is CSVReader free?
CSVReader is free to download, with in-app purchases available.
Is NAGI Step free?
NAGI Step is free to download, with in-app purchases available.
Do CSVReader or NAGI Step have ads?
Both CSVReader and NAGI Step show ads.
Which is updated more often, CSVReader or NAGI Step?
CSVReader ships an update monthly, and NAGI Step every 3 weeks. Most recently, CSVReader was updated on October 17, 2026 and NAGI Step on October 1, 2026.

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