Comparison

Niki Diary vs Symbol Overlay Maker

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

Head to head
About

Niki Diary

This app helps individuals with communication difficulties express their daily activities and plans through images, videos, text, and speech. It also serves as a memory aid, allowing users to review past events. Multiple user profiles can be created for different environments.

Highlights
  • Image, video, text, and speech communication
  • Memory support for past events
  • Multiple user profiles
  • Supports various disabilities
  • Enhances autonomy and participation
Read full description

Niki Diary was developed for children, teen-agers and adults with disabilities that experience difficulties in explaining what they have done or what they plan to do. Niki Diary enables them to tell people around them what they did or what they plan to do a certain day using images, videos, text and speech. The application can also be used as a memory support to that one can watch or listen what one has done earlier. One may choose to let each user have several profiles, for example "At home", "At school", "At work" or create different users with their own profile. Especially this helps people with communication difficulties and behavior problems to increase their levels of autonomy and participation. It can be very helpful for subjects with autism, mental retardation, behavior disorders, language disorders, pervasive developmental disorder, aphasia, attention deficit disorder, dyslexia, emotional disturbances, learning disabilities, brain trauma.

About

Symbol Overlay Maker

Easily create printable symbol overlays for communication devices and switches. Supports core words, classroom activities, and home communication with a large symbol library.

Highlights
  • Create printable symbol overlays
  • Supports speech devices and switches
  • Includes SymbolStix symbol set
  • Supports core words and activities
  • Printable for home and classroom use
Features
Read full description

The AbleNet Symbol Overlay app supports best outcomes by providing an easy way for therapists, teachers, and parents to quickly create printable symbol overlays for AbleNet speech devices and accessibility switches. Individuals benefit from the added context and support a symbol overlay provides. The AbleNet Symbol Overlay Maker app now includes the best-in-class SymbolStix symbol set with thousands of high-quality symbols. Create and print symbol overlays to support core words, activities in the classroom, and communication at home.

Verdict

The call

The clearest difference is price: Symbol Overlay Maker at Free against Niki Diary's $8.99. Symbol Overlay Maker also leads on iOS requirement (13.0 vs 15.0). Niki Diary's advantage is rating (5.0 vs 2.8). On ratings volume, update cadence, ads and in-app purchases 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

Symbol Overlay Maker is free to download; Niki Diary costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Niki Diary holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

UpkeepUpdate frequency

Niki Diary ships an update every 4 months, Symbol Overlay Maker every 6 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
Niki Diary versus Symbol Overlay Maker: the parameters behind the verdict, then further details
ParameterNiki DiarySymbol Overlay Maker
Price$8.99Free — better
Rating5.0 (2 ratings) — better2.8 (5 ratings)
Positive reviews66.7% of reviews—
Number of ratings25 — better
Update frequencyEvery 4 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPad
Requires iOS15.013.0 — better
Further details — not scored
Size32 MB142 MB
Age rating4+4+
DeveloperAlessandro La RoccaAbleNet

Customer experience

Niki Diary

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Symbol Overlay Maker

All ratings2 ratings
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

Niki Diary

No in-app purchases

None

Symbol Overlay Maker

No in-app purchases

Questions

Is Niki Diary free?
Niki Diary costs $8.99, with no in-app purchases.
Is Symbol Overlay Maker free?
Symbol Overlay Maker is free to download, with no in-app purchases.
Which has better reviews, Niki Diary or Symbol Overlay Maker?
Niki Diary is rated higher. Niki Diary averages 5.0 out of 5 from 2 ratings, while Symbol Overlay Maker averages 2.8 from 5 ratings.
Do Niki Diary or Symbol Overlay Maker have ads?
Neither Niki Diary nor Symbol Overlay Maker shows ads.
Which is updated more often, Niki Diary or Symbol Overlay Maker?
Niki Diary ships an update every 4 months, and Symbol Overlay Maker every 6 months. Most recently, Niki Diary was updated on November 1, 2026 and Symbol Overlay Maker on November 7, 2026.

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